B A S I N   S U M M A R Y   OF
                        S N O W    C O U R S E    D A T A

                                  FEBRUARY 2000


      SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST   AVERAGE
                                              DEPTH  CONTENT    YEAR   1961-90
-------------------------------------------------------------------------------
 
   SNAKE RIVER BASIN                                          
      ASTER CREEK            7750    1/26/00    51     15.4     22.7     20.0
      BASE CAMP SNOTEL       7030    2/01/00   ---     10.8     15.5     12.5
      BASE CAMP              7030    1/27/00    46     12.0     17.2     13.9
      BLACK BEAR PILLOW      7950    2/01/00   ---     20.6     31.7     24.5
      BLIND BULL SNOTEL      8900    2/01/00   ---     16.8     18.1     19.0
      BRYAN FLAT             6420    1/28/00    20      4.8      6.1      6.3
      CCC CAMP               7000    1/26/00    32      7.7      7.8      8.3
      COTTONWOOD CR SNOTEL   7700    2/01/00   ---     14.1     14.0     14.0
      DARBY CANYON           8250    2/02/00    46     13.4     15.4     15.4
      EAST RIM DIV SNOTEL    7930    2/01/00   ---      6.8      8.5      9.3
      ELBO RANCH             7100    1/31/00    29      6.5      7.8      8.1
      FOUR MILE MEADOWS      7860    1/27/00    29      6.7      9.0      8.9
      GLADE CREEK            7040    1/26/00    47     12.2     18.0     15.6
      GRASSY LAKE SNOTEL     7270    2/01/00   ---     18.5     27.2     23.0
      GREYS BOUNDARY         5720    1/26/00    29      8.0      7.4      7.9
      GROS VENTRE SNOTEL     8750    2/01/00   ---      5.9      9.4     10.6
      GROVER PARK DIVIDE     7000    1/31/00    26      6.3      7.2      7.9
      HUCKLEBERRY DIVIDE     7300    1/26/00    46     11.1     15.9     14.4
      JACKPINE CREEK         7350    2/02/00    42     12.1     15.5     14.6
      LEWIS LAKE SNOTEL      7850    2/01/00   ---     14.0     25.6     22.8
      LEWIS LAKE DIVIDE      7850                                ---     27.3
      MORAN                  6750    1/27/00    32      8.0     10.1      9.3
      PHILLIPS BENCH SNOT.   8200    2/01/00   ---     13.9     19.6     19.4
      POISON MEADOWS         8500                                ---     19.6
      SALT RIVER SNOTEL      7600    2/01/00   ---      7.9      8.7      9.0
      SNAKE RIVER STATION    6920    1/26/00    43     10.8     15.7     14.0
      SNOW KING MTN          7660    1/28/00    29      7.9      9.6     10.1
      SPRING CRK. SNOTEL     9000    2/01/00   ---     15.3     16.6     18.2
      TETON PASS W.S.        7740    2/01/00    46     14.4     20.4     17.3
      THUMB DIVIDE           7980    1/26/00    32      7.9     13.1     13.5
      TOGWOTEE PASS SNOTEL   9580    2/01/00    48     12.3     19.7     16.9
      TURPIN MEADOWS         6900    1/27/00    26      5.8      9.2      7.6
      TWO OCEAN SNOTEL       9240    2/01/00   ---     14.3     24.0     18.3
      WILLOW CREEK SNOTEL    8450    2/01/00   ---     16.9     19.6     21.0
 
   UPPER YELLOWSTONE & MADISON RIVER BASINS                   
      BLACK BEAR PILLOW      7950    2/01/00   ---     20.6     31.7     24.5
      CANYON SNOTEL          8090    2/01/00   ---      8.3     12.2      8.3
      FISHER CREEK PILLOW    9100    2/01/00   ---     20.6     27.4     24.2
      FISHER CREEK           9100                                ---      ---
      LAKE CAMP              7780    1/31/00    27      6.8      9.2      6.1
      LUPINE CREEK           7380    1/28/00    22      4.5      8.0      6.9
      MADISON PLT PILLOW     7750    2/01/00   ---     11.0     22.9     16.1
      MADISON PLATEAU        7750                                ---      ---
      NORRIS BASIN           7500    1/31/00    19      5.5      8.6      8.0
      N.E. ENTRANCE PILLOW   7350    2/01/00   ---      7.3      8.6      6.4
      NORTHEAST ENTRANCE     7350    1/31/00    28      7.2      8.8      6.5
      OLD FAITHFUL           7400    1/27/00    33      7.3     12.8     10.8
      PARKERS PEAK SNOTEL    9400    2/01/00   ---     11.3     16.5     14.3
      SYLVAN LAKE SNOTEL     8420    2/01/00   ---     11.8     18.8     14.9
      THUMB DIVIDE           7980    1/26/00    32      7.9     13.1     13.5
      TWENTY-ONE MILE        7150    1/31/00    34     10.1     14.2     11.7
      TWO OCEAN SNOTEL       9240    2/01/00   ---     14.3     24.0     18.3
      WEST YELL'ST PILLOW    6700    2/01/00   ---      5.2      9.7      7.8
      WEST YELLOWSTONE       6700    1/30/00    25      5.6      8.2      7.8
 
   WIND RIVER BASIN                                           
      BLUE RIDGE             9620    1/28/00    21      4.6      6.0      7.9
      BURROUGHS CRK SNOTEL   8750    2/01/00   ---      7.5     11.8     10.4
      BURROUGHS CREEK        8750                                ---      9.7
      CASTLE CREEK           8400    1/27/00    16      3.5      5.6      3.0
      COLD SPRINGS SNOTEL    9630    2/01/00   ---      3.5      6.5      5.8
      DU NOIR                8760    1/26/00    15      2.9      5.3      5.7
      GEYSER CREEK           8500    1/26/00    14      2.9      4.6      4.8
      GRANNIER MEADOWS       8860    1/28/00    30      6.2      7.6      9.4
      HOBBS PARK SNOTEL     10100    2/01/00   ---      6.1     10.5     10.0
      LITTLE WARM SNOTEL     9370    2/01/00   ---      6.2      8.8      7.2
      MIDDLE FORK            7420    1/28/00     8      1.3      1.9      3.8
      SOUTH PASS SNOTEL      9040    2/01/00   ---      8.0     11.1     11.3
      ST LAWRENCE ALT SNOT   8620    2/01/00   ---      1.9      4.7      4.8
      T CROSS RANCH          7900    1/27/00    20      4.4      6.6      5.3
      TOGWOTEE PASS SNOTEL   9580    2/01/00    48     12.3     19.7     16.9
      TOWNSEND CRK SNOTEL    8700    2/01/00   ---      3.1      5.8      6.2
      YOUNTS PEAK SNOTEL     8350    2/01/00   ---      9.6     14.9     12.2
 
   BIG HORN RIVER BASIN                                       
      BALD MOUNTAIN SNOTEL   9380    2/01/00   ---     14.1     14.1     13.8
      BONE SPGS. SNOTEL      9350    2/01/00   ---     10.4     10.9     10.6
      KIRWIN SNOTEL          9550    2/01/00   ---      4.5      8.3      6.6
      MEDICINE LODGE LAKES   9340    1/30/00    33      7.8      8.9      7.7
      MIDDLE POWDER SNOTEL   7760    2/01/00   ---      5.9      5.0      7.8
      MIDDLE POWDER          7760                                ---      6.6
      ONION GULCH            8780    1/30/00    24      3.6      3.1      5.8
      OWL CREEK SNOTEL       8980    2/01/00   ---      1.5      4.2      2.8
      POWDER RVR.PASS SNOT   9480    2/01/00   ---      5.9      8.4      7.0
      RANGER CREEK           8120    1/30/00    31      7.2      7.0      6.4
      SHELL CREEK SNOTEL     9580    2/01/00   ---     10.3     12.1     10.2
      TIMBER CREEK SNOTEL    7950    2/01/00   ---       .6      3.8      3.6
      TYRELL RANGER STA.     8300    1/30/00    23      3.6      5.0      5.5
 
   SHOSHONE & CLARKS FORK RIVER BASINS                        
      BEARTOOTH LK. SNOTEL   9280    2/01/00   ---     13.8     18.8     16.0
      BLACKWATER SNOTEL      9780    2/01/00   ---     10.2     21.0     14.0
      CARTER MOUNTAIN        7950    1/29/00     7      1.0      1.0      3.1
      FISHER CREEK PILLOW    9100    2/01/00   ---     20.6     27.4     24.2
      FISHER CREEK           9100                                ---      ---
      EVENING STAR SNOTEL    9200    2/01/00   ---     16.5     23.8     17.8
      MARQUETTE SNOTEL       8760    2/01/00   ---      3.1      6.2      5.1
      PARKERS PEAK SNOTEL    9400    2/01/00   ---     11.3     16.5     14.3
      N.E. ENTRANCE PILLOW   7350    2/01/00   ---      7.3      8.6      6.4
      NORTHEAST ENTRANCE     7350    1/31/00    28      7.2      8.8      6.5
      PARKERS PEAK SNOTEL    9400    2/01/00   ---     11.3     16.5     14.3
      SYLVAN ROAD SNOTEL     7120    2/01/00   ---      8.7     12.4      8.5
      WHITE MILL PILLOW      8700    2/01/00   ---     15.8     18.4     16.8
      WHITE MILL             8700                                ---      ---
      WOLVERINE SNOTEL       7650    2/01/00   ---      8.8     11.7      7.9
      YOUNTS PEAK SNOTEL     8350    2/01/00   ---      9.6     14.9     12.2
 
   POWDER & TONGUE RIVER BASINS                               
      BEAR TRAP SNOTEL       8200    2/01/00   ---      3.2      4.5      4.8
      BIG GOOSE              7760    1/30/00    20      3.5      2.1      4.3
      BONE SPGS. SNOTEL      9350    2/01/00   ---     10.4     10.9     10.6
      BURGESS JCT. SNOTEL    7880    2/01/00   ---      6.7      5.4      7.6
      CLOUD PEAK SNOTEL      9850    2/01/00   ---      9.7      9.6      8.0
      DOME LAKE SNOTEL       8880    2/01/00   ---      6.6      7.7      9.0
      HANSEN S.M. SNOTEL     8360    2/01/00   ---      3.8      3.8      4.6
      MIDDLE POWDER SNOTEL   7760    2/01/00   ---      5.9      5.0      7.8
      MIDDLE POWDER          7760                                ---      6.6
      NORTH TONGUE           8450    1/30/00    34      8.7      7.2      8.3
      ONION GULCH            8780    1/30/00    24      3.6      3.1      5.8
      POWDER RVR.PASS SNOT   9480    2/01/00   ---      5.9      8.4      7.0
      SAWMILL DIVIDE         9260    1/30/00    34      8.0      7.8      9.0
      SOLDIER PARK           8780    1/30/00    17      1.6      2.2      3.7
      SOUR DOUGH             8460    1/30/00    21      3.0      3.3      4.3
      SUCKER CREEK SNOTEL    8880    2/01/00   ---      7.7      6.8      7.5
      SUCKER CREEK           8880                                ---      7.6
      WOOD ROCK G.S.         8440    1/30/00    29      5.8      5.6      6.6
 
   BELLE FOURCHE & CHEYENNE RIVER BASINS                      
      BEARLODGE DIVIDE       4680    1/26/00     9      1.5      1.2      1.9
      BLIND PARK PILLOW      6870    2/01/00   ---      4.2      5.3      7.2
      DITCH CREEK            6870                                3.3      ---
      NORTH RAPID CK PILL.   6130    2/01/00   ---      3.8      4.1      ---
      MALLO                  6420                                5.0      5.2
      MOUNT TOM              5560                                2.6      3.0
      REUTER CANYON          6280    1/25/00    18      4.8      5.6      6.5
      UPPER SPEARFISH        6500    1/25/00    14      2.5      3.4      4.5
      WARREN PEAK SNOTEL     6520    2/01/00   ---      5.5      6.1      7.2
      LITTLE BEAR RUN        6240                                2.8      ---
 
   UPPER NORTH PLATTE BASIN                                   
      DIVIDE PEAK SNOTEL     8860    2/01/00   ---      9.5     12.9     13.3
      JOE WRIGHT SNOTEL     10000    2/01/00   ---     11.9     14.5     14.0
      MOSS LAKE              9800    1/27/00    40     10.5     14.7     16.0
      NORTH BARRETT CREEK    9400    1/27/00    42     11.1     16.2     13.5
      NORTH FRENCH SNOTEL   10130    2/01/00   ---     16.1     19.8     16.0
      OLD BATTLE SNOTEL      9920    2/01/00   ---     14.4     18.3     20.5
      PURGATORY GULCH        8970    1/26/00    23      5.9      9.5      6.8
      ROACH SNOTEL           9400    2/01/00   ---      8.9     12.4     11.0
      RYAN PARK              8400    1/27/00    27      6.4      8.6      7.4
      SAND LAKE SNOTEL      10050    2/01/00   ---     13.8     21.9     21.2
      SOUTH BRUSH SNOTEL     8440    2/01/00   ---      6.6      5.3      7.1
      WEBBER SPRING SNOTEL   9250    2/01/00   ---     11.6     12.8     17.4
      WILLOW CK PS SNOTEL    9500    2/01/00   ---      7.0      8.0      7.3
 
   LOWER NORTH PLATTE, SWEETWATER & LARAMIE RIVER BASINS      
      ALBANY                 9400    1/27/00    38      8.1      8.3      9.9
      BOXELDER               7280    1/30/00    14      3.2      2.2      4.3
      BROOKLYN LK. SNOTEL   10220    2/01/00   ---     11.4     13.6     16.0
      BUCK CREEK             7960    1/30/00    30      5.4      4.4      5.9
      CASPER MTN. SNOTEL     7850    2/01/00   ---      9.5      6.9      9.4
      DEADMAN HILL SNOTEL   10200    2/01/00   ---      6.3     12.7     11.1
      DEADMAN HILL          10200                                ---      ---
      FOXPARK                9060    1/27/00    27      5.5      4.8      4.8
      GRANNIER MEADOWS       8860    1/28/00    30      6.2      7.6      9.4
      HAIRPIN TURN           9480    1/27/00    40      9.0     10.5     11.2
      JOE WRIGHT SNOTEL     10000    2/01/00   ---     11.9     14.5     14.0
      LA BONTE               8450    1/31/00    13      2.7      2.0      3.9
      LA PRELE SNOTEL        8380    2/01/00   ---      5.2      3.1      6.6
      LARSEN CREEK           9020    1/25/00    27      6.4      7.4      8.5
      LIBBY LODGE            8750    1/27/00    32      7.1      7.5      7.8
      POLE MOUNTAIN          8700    1/28/00    24      3.6      6.2      5.3
      RENO HILL SNOTEL       8500    2/01/00   ---      7.5      8.8      8.3
      ROACH SNOTEL           9400    2/01/00   ---      8.9     12.4     11.0
      SOUTH PASS SNOTEL      9040    2/01/00   ---      8.0     11.1     11.3
      WINDY PEAK SNOTEL      7900    2/01/00   ---      2.8      3.7      4.5
 
   LITTLE SNAKE RIVER BASIN                                   
      BATTLE MTN. SNOTEL     7440    2/01/00   ---      6.6      8.1      7.3
      BUTTER HILL            7880    1/26/00    31      7.4      9.5      9.7
      DIVIDE PEAK SNOTEL     8860    2/01/00   ---      9.5     12.9     13.3
      ELK RIVER SNOTEL       8600    2/01/00   ---     10.5     11.2     12.5
      HASKINS CREEK          8980    1/26/00    61     15.7     18.7     20.4
      OLD BATTLE SNOTEL      9920    2/01/00   ---     14.4     18.3     20.5
      SANDSTONE SNOTEL       8150    2/01/00   ---      9.6      8.0      9.3
      WHISKEY PARK SNOTEL    8950    2/01/00   ---     14.8     16.8     18.4
 
   UPPER GREEN RIVER BASIN                                    
      BIG PARK               8620    1/27/00    39      9.3     10.8     12.6
      BIG SANDY SNOTEL       9080    2/01/00   ---      6.1     10.6      9.6
      BLIND BULL SNOTEL      8900    2/01/00   ---     16.8     18.1     19.0
      EAST RIM DIV SNOTEL    7930    2/01/00   ---      6.8      8.5      9.3
      ELKHART PARK SNOTEL    9400    2/01/00   ---      6.9      8.7      8.9
      GROS VENTRE SNOTEL     8750    2/01/00   ---      5.9      9.4     10.6
      INDIAN CREEK SNOTEL    9430    2/01/00   ---     13.1     16.1     17.9
      KELLEY R.S. SNOTEL     8180    2/01/00   ---      7.5      9.7     10.7
      KENDALL R.S. SNOTEL    7740    2/01/00   ---      8.9      9.2      9.9
      LOOMIS PARK SNOTEL     8240    2/01/00   ---     10.2     11.3     11.6
      NEW FORK SNOTEL        8340    2/01/00   ---      6.4      7.6      7.9
      POCKET CREEK           9350    1/25/00    26      6.4     10.0      8.3
      POISON MEADOWS         8500                                ---     19.6
      ROWDY CREEK            8300    1/26/00    48     13.0     13.6     15.1
      SNIDER BASIN SNOTEL    8060    2/01/00   ---      7.9      8.9      9.9
      TRIPLE PEAK  SNOTEL    8500    2/01/00   ---     15.7     16.1     17.4
 
   LOWER GREEN RIVER BASIN                                    
      BIG PARK               8620    1/27/00    39      9.3     10.8     12.6
      BLACK'S FORK JUNCTN    8930                                ---      ---
      HAMS FORK SNOTEL       7840    2/01/00   ---      7.4      7.3      8.1
      HENRY'S FORK          10000                                ---      ---
      HEWINTA SNOTEL         9500    2/01/00   ---      6.6      5.8      6.2
      HICKERSON PARK SNOTE   9100    2/01/00   ---      3.0      3.9      3.5
      HOLE-IN-ROCK SNOTEL    9150    2/01/00   ---      3.7      4.3      3.2
      INDIAN CREEK SNOTEL    9430    2/01/00   ---     13.1     16.1     17.9
      KELLEY R.S. SNOTEL     8180    2/01/00   ---      7.5      9.7     10.7
      SPRING CRK. SNOTEL     9000    2/01/00   ---     15.3     16.6     18.2
      STEEL CREEK PARK SNO  10100    2/01/00   ---      8.2      8.7      9.8
 
   UPPER BEAR RIVER BASIN                                     
      BIG PARK               8620    1/27/00    39      9.3     10.8     12.6
      BURT'S-MILLER RANCH    7900                                ---      ---
      HAYDEN FORK SNOTEL     9100    2/01/00   ---      9.0      8.4     10.2
      INDIAN CREEK SNOTEL    9430    2/01/00   ---     13.1     16.1     17.9
      KELLEY R.S. SNOTEL     8180    2/01/00   ---      7.5      9.7     10.7
      SALT RIVER SNOTEL      7600    2/01/00   ---      7.9      8.7      9.0
      STILLWATER CAMP        8550                                ---      ---
      TRIAL LAKE SNOTEL      9960    2/01/00   ---     12.8     10.7     15.8
      TRIAL LAKE             9960                                ---     15.4
 (d) Denotes discontinued site.

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