California Department of Water Resources
Division of Flood Management

Snow Course Measurements for February 2003

February measurements received as of Saturday, February 8, 08:01 AM

Snow depth and water content are in inches. April 1 averages are based on measurements made during years 1951-2000. Courses are grouped by river basins, listed in north-south and high-low elevation order. Contact Dave Hart for more information.


Num         Name                 Elev.  Date     Depth  Water   Density  April 1 Average
                                                       Content
                              Shasta River Basin
  1 Parks Creek               6,700	28-JAN	 93.7	 41.1	44%	 37.4	110%	
  3 Sweetwater                5,850	28-JAN	 35.7	 15.8	44%	 13.7	115%	
                                                Basin Average Pct. of April 1: 113%
                                                                     February 1: 182%
                              Scott River Basin
  5 Middle Boulder 1          6,600	29-JAN	 71.6	 35.3	49%	 32.4	109%	
311 Middle Boulder 3          6,200	29-JAN	 65.2	 30.8	47%	 28.3	109%	
298 Dynamite Meadow           5,700	29-JAN	 42.4	 18.4	43%	 18.6	 99%	
285 Swampy John               5,500	29-JAN	 52.2	 22.8	44%	 34.0	 67%	
                                                Basin Average Pct. of April 1:  96%
                                                                     February 1: 155%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	28-JAN	 70.0	 33.1	47%	 34.2	 97%	
 10 Red Rock Mountain         6,700		Scheduled for measurement by Weaverville Ranger District
 11 Bear Basin                6,500	03-FEB	 66.8	 30.2	45%	 39.1	 77%	
 12 Shimmy Lake               6,400	03-FEB	108.3	 49.8	46%	 50.3	 99%	
 16 Highland Lakes            6,030	03-FEB	 62.2	 30.2	49%	 35.2	 86%	
 17 Big Flat (Course)         5,100	03-FEB	 27.1	 11.2	41%	 13.1	 85%	
                                                Basin Average Pct. of April 1:  89%
                                                                     February 1: 143%
                              Sacramento River Basin
 18 Mount Shasta              7,900	28-JAN	129.6	 59.7	46%	 53.6	111%	
 19 Sand Flat (Course)        6,800	28-JAN	 95.6	 46.0	48%	 43.6	106%	
 21 Gray Rock Lakes           6,200	28-JAN	 95.9	 45.7	48%	 48.4	 94%	
 22 Slate Creek               5,700	03-FEB	 36.5	 16.4	45%	 30.1	 54%	
                                                Basin Average Pct. of April 1:  91%
                                                                     February 1: 143%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250	31-JAN	 67.4	 27.7	41%	 36.2	 77%	
 25 Stouts Meadow             5,400	28-JAN	 43.6	 21.9	50%	 37.8	 58%	
                                                Basin Average Pct. of April 1:  67%
                                                                     February 1: 105%
                              Pit River Basin
 30 Cedar Pass                7,100	27-JAN	 13.9	  5.2	37%	 16.7	 31%	
 28 Blue Lake Ranch           6,800	28-JAN	  8.9	  3.4	38%	 10.4	 33%	
 33 Thousand Lakes            6,500	30-JAN	 61.0	 29.0	48%	 34.6	 84%	
 35 Adin Mountain             6,200	29-JAN	 15.5	  6.1	39%	 12.5	 49%	
343 New Manzanita Lake        5,900	31-JAN	 14.1	  2.5	18%	  8.0	 31%	
                                                Basin Average Pct. of April 1:  46%
                                                                     February 1:  71%
                              Stony Cr Basin
 62 Anthony Peak              6,200	31-JAN	 36.9	 18.5	50%	 30.1	 61%	
                                                Basin Average Pct. of April 1:  61%
                                                                     February 1:  96%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	28-JAN	152.7	 71.1	47%	 80.2	 89%	
361 Kettle Rock               7,300	31-JAN	 27.6	 11.9	43%	 23.4	 51%	
 48 Mount Dyer 1              7,100	28-JAN	 49.3	 19.0	39%	 25.9	 73%	
359 Grizzly Ridge             6,900	28-JAN	 46.5	 19.1	41%	 30.4	 63%	
388 Pilot Peak (DWR)          6,800	28-JAN	 61.4	 30.8	50%	 45.5	 68%	
279 Eureka Bowl               6,800	29-JAN	 60.6	 26.9	44%	 42.7	 63%	
360 Mount Hough               6,700	30-JAN	 44.0	 18.0	41%	 30.7	 59%	
280 Rowland Creek             6,700	27-JAN	 32.6	 12.0	37%	 17.4	 69%	
 75 Church Meadows            6,700	29-JAN	 43.5	 18.5	43%	 30.7	 60%	
 53 Three Lakes               6,250	29-JAN	 56.0	 28.0	50%	 40.8	 69%	
 51 Harkness Flat             6,200	28-JAN	 46.8	 19.6	42%	 28.5	 69%	
 52 Eureka Lake               6,200	29-JAN	 47.7	 19.7	41%	 31.7	 62%	
290 Mount Dyer 2              6,050	28-JAN	 28.9	 11.6	40%	 16.6	 70%	
 54 Mill Creek Flat           5,900	29-JAN	 67.9	 28.4	42%	 39.0	 73%	
353 Frenchman Cove            5,800	27-JAN	 10.7	  4.3	40%			
355 Abbey                     5,650	28-JAN	 17.6	  7.0	40%	  9.0	 78%	
354 Antelope Ridge            5,650	31-JAN	  5.9	  2.2	37%			
 55 Mount Stover              5,600	28-JAN	 23.4	  9.0	38%	 14.7	 61%	
 49 Letterbox                 5,600	29-JAN	 70.7	 33.2	47%	 49.0	 68%	
 58 Feather River Meadow      5,400	28-JAN	 41.1	 17.0	41%	 23.1	 74%	
 56 Browns Camp               5,400	29-JAN	 38.8	 17.7	46%	 23.3	 76%	
 59 Warner Creek              5,100	28-JAN	 31.7	 12.2	38%	 14.7	 83%	
434 Humbug Summit 2           4,850	28-JAN	 22.3	  8.5	38%	 14.3	 59%	
 61 Chester Flat              4,600	31-JAN	  9.8	  4.2	43%	  6.1	 69%	
                                                Basin Average Pct. of April 1:  68%
                                                                     February 1: 107%
                              Yuba River Basin
 64 Webber Peak               7,800	30-JAN	 67.0	 27.6	41%	 41.9	 66%	
 65 Castle Creek 5            7,400	28-JAN	 75.6	 31.8	42%	 52.1	 61%	
 67 Red Mountain              7,200	29-JAN	 66.8	 30.1	45%	 51.9	 58%	
 66 Meadow Lake               7,200	29-JAN	 85.8	 35.0	41%	 55.8	 63%	
 68 English Mountain          7,100	29-JAN	 66.4	 28.1	42%	 45.4	 62%	
 69 Donner Summit             6,900	29-JAN	 47.6	 19.9	42%	 38.6	 52%	
 76 Furnace Flat              6,700	29-JAN	 66.6	 29.2	44%	 48.4	 60%	
 74 Yuba Pass                 6,700	31-JAN	 47.9	 21.1	44%	 29.6	 71%	
 77 Lake Fordyce              6,500	29-JAN	 43.4	 19.1	44%	 40.9	 47%	
 78 Findley Peak              6,500	30-JAN	 45.2	 18.2	40%	 29.8	 61%	
389 Robinson Cow Camp         6,480	28-JAN	 62.9	 28.8	46%	 42.5	 68%	
390 Sunnyside Meadow          6,300	28-JAN	 88.2	 40.4	46%	 55.4	 73%	
 80 Cisco                     5,900	28-JAN	 39.8	 16.4	41%	 27.6	 59%	
372 Chapman Creek             5,850	31-JAN	 39.3	 16.3	41%	 23.7	 69%	
 83 Bowman Lake               5,650	30-JAN	 34.2	 14.2	42%	 22.3	 64%	
391 Lexington                 5,600	30-JAN	 47.0	 23.7	50%	 30.7	 77%	
277 Gibsonville               5,400	30-JAN	 45.9	 20.5	45%	 28.7	 71%	
 85 Lake Spaulding            5,200	29-JAN	 27.8	 12.4	45%	 21.3	 58%	
429 Chalk Bluff               4,850	28-JAN	  8.6	  4.1	48%			
                                                Basin Average Pct. of April 1:  63%
                                                                     February 1:  99%
                              American River Basin
106 Upper Carson Pass         8,500	31-JAN	 52.4	 23.0	44%	 36.2	 64%	
331 Lower Carson Pass         8,400	31-JAN	 59.5	 24.6	41%	 39.2	 63%	
107 Caples Lake (DWR)         8,000	31-JAN	 38.3	 15.8	41%	 30.8	 51%	
365 Alpha                     7,600	29-JAN	 40.4	 18.5	46%	 33.8	 55%	
338 Lost Corner Mountain      7,500	28-JAN	 49.0	 20.0	41%	 36.2	 55%	
108 Echo Summit               7,450	29-JAN	 40.6	 16.1	40%	 33.8	 48%	
110 Lake Audrain              7,300	29-JAN	 50.5	 20.2	40%	 35.3	 57%	
111 Darrington                7,100		Scheduled for measurement by CA Dept of Water Resources/Snow Surveys
109 Silver Lake               7,100	30-JAN	 29.1	 13.3	46%	 21.0	 63%	
316 Wrights Lake              6,900	28-JAN	 45.0	 19.0	42%	 32.8	 58%	
113 PHillips                  6,800	30-JAN	 33.9	 15.0	44%	 27.6	 54%	
320 Lyons Creek               6,700	29-JAN	 52.9	 21.4	40%	 31.8	 67%	
115 Huysink                   6,600	31-JAN	 57.1	 24.3	43%	 45.0	 54%	
289 Tamarack Flat             6,550	30-JAN	 42.4	 16.7	39%	 28.4	 59%	
114 Wabena Meadows            6,300	30-JAN	 58.8	 24.6	42%	 42.8	 57%	
369 Miranda Cabin             6,200	30-JAN	 51.6	 23.1	45%	 40.0	 58%	
120 Onion Creek               6,100	28-JAN	 34.2	 14.2	42%	 19.6	 72%	
371 Diamond Crossing          6,050	30-JAN	 25.8	 10.9	42%	 22.0	 50%	
122 Talbot Camp               5,750	30-JAN	 33.8	 13.9	41%	 20.9	 67%	
322 Robbs Valley              5,600	31-JAN	 25.1	 12.4	49%	 15.6	 79%	
127 Ice House                 5,300	31-JAN	 16.5	  7.2	44%	  5.8	124%	
                                                Basin Average Pct. of April 1:  63%
                                                                     February 1:  98%
                              Mokelumne River Basin
323 Highland Meadow           8,700	28-JAN	 78.3	 31.4	40%	 48.7	 64%	
364 Tragedy Creek             8,150	31-JAN	 61.3	 25.7	42%	 45.0	 57%	
129 Blue Lakes                8,000	28-JAN	 56.9	 22.6	40%	 36.2	 62%	
131 Wheeler Lake              7,800	28-JAN	 87.7	 38.0	43%	 53.3	 71%	
132 Pacific Valley            7,500	28-JAN	 56.9	 22.4	39%	 38.9	 58%	
363 Podesta                   7,200	31-JAN	 52.0	 22.2	43%	 44.8	 50%	
133 Corral Flat               7,200	30-JAN	 51.5	 22.5	44%	 40.5	 56%	
134 Bear Valley Ridge 1       6,700	28-JAN	 37.3	 15.6	42%	 24.6	 63%	
435 Lumberyard 2              6,500	30-JAN	 19.1	  8.6	45%	 13.8	 62%	
136 Hams Station              5,500	30-JAN	  7.3	  3.0	41%	  5.3	 57%	*
137 Antelope Springs          4,350	30-JAN	  5.8	  2.3	40%			
                                                Basin Average Pct. of April 1:  60%
                                                                     February 1:  96%
                              Stanislaus River Basin
345 Deadman Creek             9,250	27-JAN	 56.5	 22.2	39%	 35.1	 63%	
344 Clark Fork Meadow         8,900	27-JAN	 72.6	 28.5	39%	 39.8	 72%	
427 Gianelli Meadow           8,400	31-JAN	 72.6	 29.2	40%	 52.9	 55%	
138 Lower Relief Valley       8,100	27-JAN	 60.9	 24.7	41%	 39.6	 62%	
139 Soda Creek Flat           7,800	27-JAN	 32.0	 13.1	41%	 22.0	 60%	
384 Stanislaus Meadow         7,750	28-JAN	 68.4	 28.6	42%	 51.0	 56%	
140 Eagle Meadow              7,500	27-JAN	 39.1	 15.6	40%	 24.2	 64%	
142 Herring Creek             7,300	27-JAN	 38.6	 15.3	40%	 28.0	 55%	
143 Relief Dam                7,250	27-JAN	 34.1	 13.0	38%	 19.9	 65%	
416 Bloods Creek              7,200	28-JAN	 51.1	 18.1	35%	 34.6	 52%	
432 Sapps Hollow              6,950	29-JAN	 51.1	 20.5	40%	 33.0	 62%	
430 Corral Meadow             6,650	29-JAN	 40.6	 17.1	42%	 19.7	 87%	
373 Hells Kitchen             6,550	28-JAN	 36.8	 15.2	41%	 21.8	 70%	
145 Niagara Flat              6,500	27-JAN	 35.5	 14.7	41%	 19.6	 75%	
386 Black Springs             6,500	28-JAN	 42.8	 17.9	42%	 22.0	 81%	
                                                Basin Average Pct. of April 1:  65%
                                                                     February 1: 104%
                              Tuolumne River Basin
157 Dana Meadows              9,800	30-JAN	 54.3	 21.4	39%	 31.1	 69%	
158 Rafferty Meadows          9,400	29-JAN	 64.0	 25.7	40%	 32.8	 78%	
159 Bond Pass                 9,300	25-JAN	 74.9	 26.9	36%	 44.9	 60%	
368 New Grace Meadow          8,900	27-JAN	 70.2	 27.9	40%	 48.0	 58%	
161 Tuolumne Meadows          8,600	29-JAN	 41.2	 15.3	37%	 22.7	 67%	
162 Horse Meadow              8,400	25-JAN	 71.0	 27.0	38%	 46.7	 58%	
163 Wilmer Lake               8,000	27-JAN	 65.7	 23.8	36%	 43.2	 55%	
165 Sachse Springs            7,900	27-JAN	 49.5	 18.8	38%	 38.1	 49%	
166 Huckleberry Lake          7,800	26-JAN	 58.0	 21.5	37%	 41.9	 51%	
164 Spotted Fawn              7,800	27-JAN	 62.0	 22.5	36%	 45.6	 49%	
167 Paradise Meadow           7,650	28-JAN	 54.4	 20.1	37%	 39.9	 50%	
348 Kerrick Corral            7,000	30-JAN	 42.3	 15.8	37%	 23.5	 67%	
173 Lower Kibbie              6,700	28-JAN	 39.6	 16.1	41%	 26.0	 62%	
168 Upper Kibbie Ridge        6,700	28-JAN	 33.6	 12.8	38%	 18.6	 69%	
169 Vernon Lake               6,700	28-JAN	 35.3	 14.9	42%	 22.4	 67%	
171 Beehive Meadow            6,500	29-JAN	 40.6	 15.3	38%	 23.5	 65%	
172 Bell Meadow               6,500	30-JAN	 29.5	 12.2	41%	 15.5	 79%	
                                                Basin Average Pct. of April 1:  62%
                                                                     February 1:  98%
                              Merced River Basin
176 Snow Flat                 8,700	28-JAN	 75.3	 29.9	40%	 44.5	 67%	
177 Ostrander Lake            8,200	26-JAN	 51.0	 19.6	38%	 32.6	 60%	
178 Tenaya Lake               8,150	28-JAN	 53.8	 19.4	36%	 33.6	 58%	
180 Peregoy Meadows           7,000	29-JAN	 41.0	 15.3	37%	 29.3	 52%	
179 Gin Flat (Course)         7,000	28-JAN	 46.9	 17.6	38%	 32.0	 55%	
                                                Basin Average Pct. of April 1:  58%
                                                                     February 1:  93%
                              San Joaquin River Basin
182 Mono Pass                11,450	28-JAN	 48.4	 17.6	36%	 30.8	 57%	
183 Piute Pass               11,300	02-FEB	 53.3	 20.7	39%	 37.9	 55%	
276 Pioneer Basin            10,400	28-JAN	 58.6	 21.4	37%	 34.0	 63%	
186 Volcanic Knob            10,050	28-JAN	 53.9	 18.4	34%	 30.7	 60%	
187 Rose Marie               10,000	28-JAN	 48.6	 17.1	35%	 29.7	 58%	
189 Agnew Pass                9,450		Scheduled for measurement by Southern California Edison Company, Bishop
190 Kaiser Pass               9,100	28-JAN	 58.6	 22.8	39%	 39.0	 58%	
191 Dutch Lake                9,100	28-JAN	 49.7	 18.0	36%	 28.1	 64%	
192 Coyote Lake               8,850	29-JAN	 48.7	 17.9	37%	 32.2	 56%	
346 Badger Flat               8,300	29-JAN	 41.0	 14.2	35%	 30.8	 46%	
194 Nellie Lake               8,000	29-JAN	 48.1	 17.1	36%	 35.8	 48%	
324 Lake Thomas A Edison      7,800	28-JAN	 25.1	  8.4	33%	 14.7	 57%	
196 Chilkoot Lake             7,450	28-JAN	 41.9	 15.6	37%	 36.8	 42%	
347 Tamarack Creek            7,250	29-JAN	 31.1	 10.9	35%	 23.8	 46%	
198 Florence Lake             7,200	28-JAN	 18.8	  5.9	31%	  7.6	 78%	
197 Chilkoot Meadow           7,150	28-JAN	 45.3	 16.6	37%	 36.6	 45%	
199 Huntington Lake           7,000	27-JAN	 28.7	  9.5	33%	 18.6	 51%	
204 Poison Meadow             6,800	28-JAN	 33.6	 14.6	43%	 24.8	 59%	
                                                Basin Average Pct. of April 1:  55%
                                                                     February 1:  88%
                              Kings River Basin
222 Bishop Pass              11,200	29-JAN	 52.1	 21.3	41%	 35.0	 61%	
299 Charlotte Ridge          10,700	31-JAN	 54.8	 20.7	38%	 29.9	 69%	
307 Bullfrog Lake            10,650	31-JAN	 49.3	 19.3	39%	 28.5	 68%	
398 Bench Lake               10,600		Scheduled for measurement by Kings River Water Association
223 Blackcap Basin           10,300	28-JAN	 51.7	 18.5	36%	 34.1	 54%	
396 Rattlesnake Creek Ba      9,900	28-JAN	 50.4	 19.2	38%	 39.8	 48%	
225 Beard Meadow              9,800	28-JAN	 51.8	 19.5	38%	 33.3	 59%	
224 Upper Burnt Corral        9,700	28-JAN	 58.4	 20.0	34%	 37.8	 53%	
397 Scenic Meadow             9,650	29-JAN	 36.2	 13.1	36%	 24.1	 54%	
229 Round Corral              9,000	29-JAN	 47.2	 19.0	40%	 35.8	 53%	
226 Rowell Meadow             8,850	29-JAN	 25.9	  9.2	36%	 26.5	 35%	
227 Woodchuck Meadow          8,800	29-JAN	 37.2	 14.1	38%	 31.5	 45%	
232 Long Meadow (Kings R)     8,500	27-JAN	 43.4	 15.0	35%	 29.3	 51%	
426 Courtright                8,350	27-JAN	 32.6	  9.6	29%	 30.7	 31%	
233 Statum Meadow             8,300	29-JAN	 33.3	 16.7	50%	 32.3	 52%	
230 Helms Meadow              8,250	28-JAN	 31.3	 11.4	36%	 26.7	 43%	
234 Post Corral Meadow        8,200	27-JAN	 32.1	 11.6	36%	 26.3	 44%	
308 Dodsons Meadow            8,050	27-JAN	 32.6	 11.3	35%	 29.6	 38%	
237 Horse Corral Meadow       7,600	29-JAN	 20.4	  7.0	34%	 16.3	 43%	
236 Big Meadows               7,600	29-JAN	 21.9	  8.3	38%	 24.6	 34%	
239 Fred Meadow               6,950	29-JAN	 20.1	  8.4	42%	 21.3	 39%	
240 Grant Grove               6,600	26-JAN	 15.1	  5.6	37%	 13.4	 42%	
                                                Basin Average Pct. of April 1:  48%
                                                                     February 1:  79%
                              Kaweah River Basin
292 Farewell Gap              9,500	29-JAN	 42.3	 18.2	43%	 35.8	 51%	
243 Panther Meadow            8,600	29-JAN	 36.1	 13.5	37%	 36.7	 37%	
245 Mineral King              8,000	30-JAN	 19.0	  7.5	39%	 20.6	 36%	
246 Giant Forest              6,400	31-JAN	 23.6	  8.4	36%	 14.7	 57%	
                                                Basin Average Pct. of April 1:  45%
                                                                     February 1:  74%
                              Tule River Basin
247 Quaking Aspen             7,000	31-JAN	 15.0	  5.4	36%	 12.3	 44%	
                                                Basin Average Pct. of April 1:  44%
                                                                     February 1:  72%
                              Kern River Basin
250 Bighorn Plateau          11,350	25-JAN	 38.7	 13.1	34%	 23.7	 55%	
251 Cottonwood Pass          11,050	30-JAN	 23.8	  7.9	33%	 14.8	 53%	
252 Siberian Pass            10,900	27-JAN	 34.1	 11.3	33%	 20.0	 57%	
253 Crabtree Meadow          10,700	25-JAN	 40.9	 13.4	33%	 19.6	 68%	
254 Guyot Flat               10,650	27-JAN	 38.4	 13.4	35%	 20.8	 64%	
255 Tyndall Creek            10,650	25-JAN	 34.8	 10.6	30%	 18.8	 56%	
275 Sandy Meadows            10,650	25-JAN	 38.0	 12.4	33%	 19.2	 65%	
257 Big Whitney Meadow        9,750	28-JAN	 34.3	 11.2	33%	 17.2	 65%	
256 Rock Creek                9,600	27-JAN	 39.1	 11.9	30%	 17.8	 67%	
258 Round Meadow              9,000	29-JAN	 30.1	 10.7	36%	 24.1	 44%	
259 Ramshaw Meadows           8,700	28-JAN	 18.1	  4.7	26%	 11.5	 41%	
260 Little Whitney Meadow     8,500	28-JAN	 18.9	  6.1	32%	 12.9	 47%	
261 Bonita Meadows            8,300	29-JAN	 16.8	  6.4	38%	 13.6	 47%	
262 Casa Vieja Meadows        8,300	29-JAN	 25.3	  8.2	32%	 19.8	 41%	
265 Beach Meadows             7,650	29-JAN	 13.0	  5.1	39%	  8.3	 61%	
249 Dead Horse Meadow         7,300		Scheduled for measurement by Hot Springs Ranger District
                                                Basin Average Pct. of April 1:  56%
                                                                     February 1:  91%
                              Surprise Valley Basin
378 Mount Bidwell             7,200		Scheduled for measurement by Natural Resources Conservation Service
313 Barber Creek              6,500	29-JAN	 12.0	  4.5	38%	 10.7	 42%	
349 Hays Canyon               6,400		Scheduled for measurement by Natural Resources Conservation Service
350 49 Mountain               6,000	29-JAN	  0.0	  0.0				
                                                Basin Average Pct. of April 1:  42%
                                                                     February 1:  67%
                              Truckee River Basin
318 Squaw Valley 2            7,700	28-JAN	 67.0	 28.0	42%	 48.4	 58%	
 89 Webber Lake               7,000	29-JAN	 56.6	 22.3	39%	 31.7	 70%	
                                                Basin Average Pct. of April 1:  64%
                                                                     February 1: 102%
                              Lake Tahoe Basin
 99 Rubicon Peak 2            7,500	29-JAN	 47.3	 19.3	41%	 30.8	 63%	
100 Freel Bench               7,300	29-JAN	 23.0	  9.6	42%	 10.4	 92%	
101 Ward Creek 2              7,000	29-JAN	 48.9	 20.2	41%	 41.8	 48%	
333 Glenbrook 2 (Nevada)      6,900	30-JAN	 19.0	  7.9	42%	 11.6	 68%	
103 Richardsons 2             6,500	31-JAN	 27.0	 10.5	39%	 15.6	 67%	
104 Upper Truckee             6,400	29-JAN	 18.0	  7.8	43%	  7.4	105%	
                                                Basin Average Pct. of April 1:  74%
                                                                     February 1: 117%
                              Walker River Basin
421 Leavitt Lake              9,600	28-JAN	 71.0	 28.0	39%	 50.8	 55%	
150 Virginia Lakes            9,400	27-JAN	 37.3	 13.8	37%	 18.0	 77%	
377 Virginia Lakes Ridge      9,300	27-JAN	 37.1	 13.4	36%	 19.5	 69%	
422 Sawmill Ridge             8,750	28-JAN	 37.0	 14.0	38%	 18.8	 74%	
152 Sonora Pass               8,750	27-JAN	 46.9	 18.6	40%	 24.9	 75%	
154 Willow Flat               8,250	28-JAN	 17.0	  8.0	47%	  9.9	 81%	
                                                Basin Average Pct. of April 1:  72%
                                                                     February 1: 114%
                              Mono Lk Basin
281 Gem Pass                 10,750		Scheduled for measurement by Southern California Edison Company, Bishop
181 Tioga Pass                9,800	28-JAN	 47.1	 18.4	39%	 26.8	 69%	
287 Saddlebag Lake            9,750	28-JAN	 64.5	 23.8	37%	 31.3	 76%	
286 Ellery Lake               9,600	28-JAN	 59.5	 21.7	36%	 29.0	 75%	
282 Gem Lake                  9,150		Scheduled for measurement by Southern California Edison Company, Bishop
                                                Basin Average Pct. of April 1:  73%
                                                                     February 1: 116%
                              Owens River Basin
284 Bishop Lake              11,300	28-JAN	 32.2	 12.7	39%	 21.9	 58%	
220 Cottonwood Lakes 2       11,100	23-JAN	 26.6	  8.9	33%	 14.1	 63%	
212 East Piute Pass          10,800	02-FEB	 22.5	  8.5	38%	 15.2	 56%	
408 Flower Lake 2            10,660		Scheduled for measurement by CA Dept of Water Resources
213 Sawmill                  10,200	28-JAN	 39.0	 13.2	34%	 19.0	 69%	
221 Cottonwood Lakes 1       10,150	23-JAN	 30.4	  9.8	32%	 12.3	 80%	
217 Big Pine Creek 1         10,000	27-JAN	 37.3	 12.9	35%	 22.6	 57%	
209 Rock Creek 3             10,000	29-JAN	 25.1	  9.2	37%	 14.7	 63%	
218 Big Pine Creek 3          9,800	28-JAN	 37.3	 12.1	32%	 18.3	 66%	
219 Big Pine Creek 2          9,700	28-JAN	 23.9	  7.5	31%	 14.8	 51%	
214 North Lake                9,300	02-FEB	 20.8	  8.2	39%	 10.2	 80%	
205 Mammoth Pass (DWR)        9,300	30-JAN	 59.5	 24.4	41%	 41.9	 58%	
423 Trailhead                 9,100	24-JAN	 29.3	  9.3	32%	 13.2	 70%	
210 Rock Creek 2              9,050	29-JAN	 22.3	  7.7	35%	 11.0	 70%	
206 Minarets 2                9,000	30-JAN	 40.8	 16.1	39%	 29.1	 55%	
211 Rock Creek 1              8,700	29-JAN	 16.5	  5.3	32%	  7.5	 71%	
208 Mammoth                   8,300	30-JAN	 28.6	 11.1	39%	 20.2	 55%	
                                                Basin Average Pct. of April 1:  64%
                                                                     February 1: 101%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
February 1
North Coast 3 11 29.0" 96% 154%
Sacramento 6 71 21.0" 65% 102%
San Joaquin Valley 5 63 19.2" 61% 95%
Tulare Lake 4 41 12.2" 51% 83%
North Lahontan 3 14 15.8" 72% 114%
South Lahontan 2 19 12.7" 65% 104%
Statewide Average (weighted) 65%102%

* This course not included in river, basin or Statewide computations.

THIS SUMMARY MAY NOT MATCH THAT PUBLISHED IN BULLETIN 120 DUE TO CHANGES IN AVERAGES AND COURSE SELECTION. USE ONLY FOR COMPARISONS BETWEEN YEARS

Data are preliminary and subject to revision. This document is updated every 30 minutes during the data-collection period.

hart@water.ca.gov


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Revised: February 08, 2003 08:04