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

                                    APRIL  2001


      SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST   AVERAGE
                                              DEPTH  CONTENT    YEAR   1961-90
-------------------------------------------------------------------------------
 
   WYOMING Snow Course and SNOTEL Stations                    
      ALBANY                 9400    3/29/01    36      9.7     11.9     14.7
      ASTER CREEK            7750    3/29/01    38     12.6     26.0     30.7
      BALD MOUNTAIN SNOTEL   9380    4/01/01   ---     14.1     19.6     20.5
      BASE CAMP SNOTEL       7030    4/01/01   ---      8.0     17.6     17.8
      BATTLE MTN. SNOTEL     7440    4/01/01   ---      9.0     11.1     11.3
      BEARLODGE DIVIDE       4680    3/30/01    14      4.5       .0      2.2
      BEARTOOTH LK. SNOTEL   9280    4/01/01   ---     11.9     21.0     23.8
      BEAR TRAP SNOTEL       8200    4/01/01   ---      5.4      5.8      7.2
      BIG GOOSE              7760    3/29/01    18      3.1      5.4      7.8
      BIG GOOSE SNOTEL       7760    4/01/01   ---      5.8      8.0      ---
      BIG PARK               8620    3/26/01    39     11.6     17.7     20.2
      BIG SANDY SNOTEL       9080    4/01/01   ---      9.8     11.4     14.7
      BLACKWATER SNOTEL      9780    4/01/01   ---     14.6     17.4     22.4
      BLIND BULL SNOTEL      8900    4/01/01   ---     15.5     24.9     29.8
      BLIND PARK PILLOW      6870    4/01/01   ---      7.7      6.0     11.1
      BLUE RIDGE             9620    3/28/01    18      4.1      7.0     12.5
      BONE SPGS. SNOTEL      9350    4/01/01   ---     10.6     15.0     16.5
      BOXELDER               7280    3/30/01    25      6.4      6.3      8.0
      BROOKLYN LK. SNOTEL   10220    4/01/01   ---     17.0     17.9     26.4
      BRYAN FLAT             6420    3/28/01    16      6.1      6.6      9.0
      BUCK CREEK             7960    3/30/01    34      9.8      9.8     11.0
      BURGESS JCT. SNOTEL    7880    4/01/01   ---      8.4     11.5     11.8
      BURROUGHS CRK SNOTEL   8750    4/01/01   ---      8.5     12.5     15.0
      CANYON SNOTEL          8090    4/01/01   ---      8.8     13.4     13.1
      CARTER MOUNTAIN        7950    3/28/01     7      1.4      2.4      5.2
      CASPER MTN. SNOTEL     7850    4/01/01   ---     11.6     15.5     16.6
      CASTLE CREEK           8400    3/29/01     9      2.0      4.7      4.6
      CCC CAMP               7000    3/29/01    22      7.6     12.2     12.5
      CHALK CK #1 SNOTEL     9100    4/01/01    46     16.4     22.5     23.9
      CHALK CK #2 SNOTEL     8200    4/01/01    34     11.8     13.6     15.8
      CLOUD PEAK SNOTEL      9850    4/01/01   ---      9.9     14.5     14.9
      COLD SPRINGS SNOTEL    9630    4/01/01   ---      3.1      6.6      8.4
      COTTONWOOD CR SNOTEL   7700    4/01/01   ---     15.6     23.0     24.5
      DARBY CANYON           8250    3/31/01    52     16.8     22.2     24.1
      DEER PARK SNOTEL       9700    4/01/01   ---     10.4     14.1      ---
      DITCH CREEK            6870    3/28/01    20      5.5      1.0      ---
      DIVIDE PEAK SNOTEL     8860    4/01/01   ---     14.9     16.6     21.3
      DOME LAKE SNOTEL       8880    4/01/01   ---      9.4     11.2     13.8
      DU NOIR                8760    3/30/01    16      3.7      5.2      8.5
      EAST RIM DIV SNOTEL    7930    4/01/01   ---      9.9     11.7     14.0
      ELBO RANCH             7100    4/01/01    25      6.4     10.4     11.3
      ELKHART PARK SNOTEL    9400    4/01/01   ---     11.0     12.2     13.9
      EVENING STAR SNOTEL    9200    4/01/01   ---     14.7     24.0     27.2
      FOUR MILE MEADOWS      7860    3/28/01    22      6.4     11.9     13.2
      FOXPARK                9060    3/29/01    31      7.9      7.9      7.7
      GEYSER CREEK           8500    3/29/01    12      2.9      5.0      7.4
      GLADE CREEK            7040    3/30/01    37     12.9     21.5     23.6
      GRANITE CRK SNOTEL     6770    4/01/01   ---     10.9     15.0     18.8
      GRANNIER MEADOWS       8860    3/28/01    24      5.5      9.1     14.7
      GRASSY LAKE SNOTEL     7270    4/01/01   ---     20.6     32.5     36.3
      GRAVE SPRINGS SNOTEL   8550    4/01/01   ---      6.2      7.8      9.6
      GREYS BOUNDARY         5720    3/29/01    20      6.9     11.9     11.2
      GROS VENTRE SNOTEL     8750    4/01/01   ---      9.7     11.1     15.8
      GROVER PARK DIVIDE     7000    3/29/01    11      3.8     10.8     12.1
      HAIRPIN TURN           9480    3/29/01    39     11.4     12.3     17.3
      HANSEN S.M. SNOTEL     8360    4/01/01   ---      5.0      6.5      7.1
      HAMS FORK SNOTEL       7840    4/01/01   ---      7.5     11.7     12.3
      HASKINS CREEK          8980    3/29/01    72     25.1     27.4     30.4
      HOBBS PARK SNOTEL     10100    4/01/01   ---      6.4     10.9     15.1
      HUCKLEBERRY DIVIDE     7300    3/29/01    33     11.0     20.0     21.7
      INDIAN CREEK SNOTEL    9430    4/01/01   ---     17.3     22.6     29.0
      JACKPINE CREEK         7350    3/31/01    35     13.3     20.4     22.3
      KELLEY R.S. SNOTEL     8180    4/01/01   ---     10.5     14.3     17.3
      KENDALL R.S. SNOTEL    7740    4/01/01   ---      8.3     14.6     14.7
      KIRWIN SNOTEL          9550    4/01/01   ---      5.5      8.6     10.0
      LA BONTE               8450    3/28/01    15      4.2      4.2      5.8
      LAKE CAMP              7780    3/31/01    22      6.3     12.3      9.9
      LA PRELE SNOTEL        8380    4/01/01   ---      9.0     10.2     10.6
      LARSEN CREEK           9020    3/27/01    22      5.6     12.4     12.4
      LEWIS LAKE SNOTEL      7850    4/01/01   ---     16.7     26.7     35.7
      LEWIS LAKE DIVIDE      7850    3/29/01    59     20.9     39.7     42.1
      LIBBY LODGE            8750    3/29/01    26      8.1      8.8     11.5
      LITTLE BEAR RUN        6240    3/28/01    19      4.6      1.2      ---
      LITTLE WARM SNOTEL     9370    4/01/01   ---      7.6     10.5     11.6
      LOOMIS PARK SNOTEL     8240    4/01/01   ---     11.3     17.7     17.6
      LUPINE CREEK           7380    3/29/01    11      3.4      8.6     10.2
      MALLO                  6420    3/28/01    33      7.4      3.9      6.7
      MARQUETTE SNOTEL       8760    4/01/01   ---      4.5      6.4      8.1
      MEDICINE LODGE LAKES   9340    3/29/01    39      7.8     11.3     11.2
      MIDDLE FORK            7420    3/28/01    15      3.1      1.6      6.4
      MIDDLE POWDER SNOTEL   7760    4/01/01   ---      8.6     11.2     12.2
      MORAN                  6750    3/28/01    16      5.4     11.4     12.7
      MOSS LAKE              9800    3/29/01    53     16.1     16.0     25.3
      MOUNT TOM              5560    3/29/01    27      7.9       .9      4.5
      NEW FORK SNOTEL        8340    4/01/01   ---      8.8     10.9     11.3
      NORRIS BASIN           7500    4/04/01    22      5.9     10.1     11.5
      NORTH BARRETT CREEK    9400    3/29/01    65     18.4     19.4     21.5
      NORTH FRENCH SNOTEL   10130    4/01/01   ---     26.4     25.2     25.6
      NORTH RAPID CK PILL.   6130    4/01/01   ---      7.6      6.2      ---
      NORTH TONGUE           8450    3/29/01    34      7.0     11.0     13.6
      OLD BATTLE SNOTEL      9920    4/01/01   ---     23.6     26.0     32.2
      OLD FAITHFUL           7400    3/31/01    17      5.0     12.8     14.8
      ONION GULCH            8780    3/28/01    27      4.4      7.0      8.9
      OWL CREEK SNOTEL       8980    4/01/01   ---      3.5      4.4      4.6
      PARKERS PEAK SNOTEL    9400    4/01/01   ---     13.9     18.1     21.8
      PHILLIPS BENCH SNOT.   8200    4/01/01   ---     16.3     23.2     29.4
      POCKET CREEK           9350    3/27/01    37      9.1     11.8     12.8
      POISON MEADOWS         8500                                ---     29.1
      POLE MOUNTAIN          8700    3/29/01    34      7.6      7.2      7.9
      POWDER RVR.PASS SNOT   9480    4/01/01   ---      6.6      9.4     10.9
      PURGATORY GULCH        8970    3/29/01    36     11.3     10.8     11.2
      RANGER CREEK           8120    3/29/01    28      5.0      8.8      9.3
      RENO HILL SNOTEL       8500    4/01/01   ---     12.6     12.8     14.4
      REUTER CANYON          6280    3/29/01    45     15.8      4.3      9.2
      ROWDY CREEK            8300    3/28/01    37     11.7     19.7     22.1
      RYAN PARK              8400    3/29/01    32      9.6      9.1     11.2
      SALT RIVER SNOTEL      7600    4/01/01   ---      7.6     13.4     14.5
      SAND LAKE SNOTEL      10050    4/01/01   ---     24.2     23.5     33.1
      SANDSTONE SNOTEL       8150    4/01/01   ---     11.6     14.3     15.0
      SAWMILL DIVIDE         9260    3/29/01    39      8.0     11.3     13.3
      SHELL CREEK SNOTEL     9580    4/01/01   ---     10.8     14.7     15.0
      SHERIDAN R.S.          7750    3/30/01     6      1.3      5.0      6.0
      SNAKE RIVER STATION    6920    3/29/01    30     10.4     19.6     21.1
      SNAKE RV STA SNOTEL    6920    4/01/01   ---     10.2     17.3     18.8
      SNIDER BASIN SNOTEL    8060    4/01/01   ---      8.8     12.3     14.9
      SNOW KING MTN          7660                               11.4     15.2
      SOLDIER PARK           8780    3/28/01    16      2.7      3.6      6.1
      SOUR DOUGH             8460    3/28/01    21      3.8      5.5      7.1
      SOUTH BRUSH SNOTEL     8440    4/01/01   ---      9.3     10.6     13.4
      SOUTH PASS SNOTEL      9040    4/01/01   ---      9.1     14.5     16.4
      SPRING CRK. SNOTEL     9000    4/01/01   ---     16.9     22.5     28.3
      ST LAWRENCE ALT SNOT   8620    4/01/01   ---      3.1      4.6      7.6
      SUCKER CREEK SNOTEL    8880    4/01/01   ---      8.1     12.2     12.2
      SYLVAN LAKE SNOTEL     8420    4/01/01   ---     14.3     19.5     22.3
      SYLVAN ROAD SNOTEL     7120    4/01/01   ---      8.3     13.4     12.5
      T CROSS RANCH          7900    3/29/01    16      3.7      4.9      7.2
      TETON PASS W.S.        7740    4/02/01    46     16.6     24.7     26.7
      THUMB DIVIDE SNOTEL    7980    4/01/01   ---      7.6     14.6     17.2
      THUMB DIVIDE           7980    3/29/01    24      6.1     14.3     20.7
      TIE CREEK SNOTEL       6870    4/01/01   ---      4.9      6.4      ---
      TIMBER CREEK SNOTEL    7950    4/01/01   ---      3.1      2.8      6.3
      TOGWOTEE PASS SNOTEL   9580    4/01/01    60     16.6     21.4     25.2
      TOWNSEND CRK SNOTEL    8700    4/01/01   ---      5.3      6.6      9.9
      TRIPLE PEAK  SNOTEL    8500    4/01/01   ---     15.1     22.7     25.9
      TURPIN MEADOWS         6900    3/28/01    13      3.5     10.3     10.3
      TWO OCEAN SNOTEL       9240    4/01/01   ---     19.1     25.4     26.8
      TYRELL RANGER STA.     8300    3/28/01    21      3.4      6.4      8.2
      UPPER SPEARFISH        6500    3/29/01    30      8.0      4.3      7.0
      WARREN PEAK SNOTEL     6520                               10.9     11.1
      WEBBER SPRING SNOTEL   9250    4/01/01   ---     16.1     19.7     28.3
      WHISKEY PARK SNOTEL    8950    4/01/01   ---     21.5     24.3     29.0
      WILLOW CREEK SNOTEL    8450    4/01/01   ---     18.4     30.2     30.5
      WINDY PEAK SNOTEL      7900    4/01/01   ---      7.5      7.8      8.8
      WOLVERINE SNOTEL       7650    4/01/01   ---      6.7     11.1     11.7
      WOOD ROCK G.S.         8440    3/29/01    29      5.8      9.2     10.7
      YOUNTS PEAK SNOTEL     8350    4/01/01   ---      8.4     15.0     17.3
 (d) Denotes discontinued site.

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