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Powerful Storms in the Western U.S. and Northern Plains; Heavy Rain and Flooding Threat Across the Central Gulf Coast

A powerful storm system will continue to bring heavy mountain snow, rain, high winds, and hazardous marine conditions to the Pacific Northwest and northern California through midweek. Gusty winds and locally heavy snow are possible over portions of the Northern and Central Plains. Severe thunderstorms, heavy rain and flash flooding risks continue across the central Gulf Coast. Read More >

2023 Cooperative Observer Water Year Precipitation

                       Western and Central Wyoming

 

PRELIMINARY WATER YEAR PRECIPITATION TOTALS
DATA AS OF:  OCTOBER 2023
FILE CREATED AT:  Sat Nov  9 21:01:34 GMT 2024

BIG HORN COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KGEY     GREYBULL ASOS             0.23  0.24  0.03  0.10  0.01  0.53  0.04  0.53  3.72  0.95  0.20  1.58   8.16  +0.65    108
GBLW4    GREYBULL COOP                M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
SHLW4    SHELL 1NE COOP            0.41  0.65  0.41  0.53  0.69  1.48  0.07  1.35  4.14  1.12  0.69  1.24  12.78  +2.19    120
BSNW4    BASIN COOP                0.37  0.54  0.18  0.48  0.29  0.83     T  0.41  3.95  0.78  0.36  1.17   9.36  +2.52    136
DEVW4    DEAVER COOP               0.26  0.23  0.05  0.33     T  0.12     T  0.09  1.90  0.63  0.19  0.91   4.71  -0.69     87
EMBW4    EMBLEM COOP               0.28  0.56  0.14  0.13  0.20  0.79     M  1.57  3.89  0.88  0.36  1.45  10.25  +3.62    154
LOVW4    LOVELL COOP               0.06  0.18  0.16  0.01  0.18  0.48  0.32  0.30  3.81  0.72  0.40  1.76   8.38  +2.04    132
RONW4    RAIRDEN 2WSW COOP         0.42  0.33  0.20  0.32  0.29  1.04  0.27  0.72  4.41  0.31  0.67  0.79   9.77  +2.71    138

FREMONT COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KLND     LANDER ASOS               0.31  1.07  1.32  2.55  1.34  0.58  2.83  0.86  3.14  0.34  1.58  0.56  16.48  +3.82    130
LNRW4    LANDER COOP               0.36  1.38  1.12  2.15  1.19  0.47  2.31  0.89  3.46  0.49  1.50  0.55  15.87  +4.71    142
KRIW     RIVERTON ASOS             0.42  0.81  0.79  1.46  0.68  0.41  1.70  0.32  3.80  0.43  1.36  0.67  12.85  +3.42    136
RIVW4    RIVERTON COOP             0.54  0.88  0.86  1.57  0.68  0.37  1.78  0.40  4.30  0.89  1.19  0.78  14.24  +5.82    169
ATLW4    ATLANTIC CITY COOP        0.79  1.14  1.90     M     M     M     M     M     M     M     M     M      M      M      M 
JEFW4    JEFFREY CITY COOP         0.09  0.70  0.71  1.57  2.19  0.25  2.75  1.05  3.59  0.38  1.50  0.50  15.28  +5.22    151
SBDW4    BOYSEN DAM COOP           0.92  0.44  0.53  0.87  0.72  0.38  0.87  1.79  4.28  0.40  1.17  0.93  13.30  +4.42    149
SSHW4    SHOSHONI COOP             0.56  0.72  0.32  1.58  0.77  0.33  1.10  1.69  4.32  0.32  2.14  0.93  14.78  +7.25    196
DBOW4    DUBOIS COOP               1.19  0.96  0.42  1.00  0.39  0.49  0.68  1.06  5.29  0.94  2.58  0.84  15.84  +5.93    159
PVLW4    PAVILLION COOP            0.54  0.36  0.66  1.26  0.64  0.23  0.84  0.48  4.56  1.12  1.18  1.11  12.98  +5.06    163
MTNW4    DIVERSION DAM COOP           M     M  1.10  1.64  1.12  0.54     M  0.86  7.55  1.01  2.37     M      M      M      M 

HOT SPRINGS COUNTY WY STATIONS                       PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
THMW4    THERMOPOLIS COOP          1.45  0.96  0.69  1.10  0.58  1.44  0.15  1.24  4.24  0.49  0.98  0.92  14.24  +2.53    121
BMTW4    THERMOPOLIS 9NE COOP      1.32  0.90  0.44  1.01  0.58  1.37  0.42  2.10  4.60  0.93  0.91  1.50  16.08  +3.39    126
THDW4    THERMOPOLIS 8WNW COOP     1.61  0.74  0.34  0.57  0.19  1.00  0.28  0.93  4.10  0.26  0.84  0.75  11.61      M      M
BTXW4    BLACK MOUNTAIN COOP       2.04  1.30  0.99  1.63  1.08  1.80  0.58  4.29  4.85  0.83  1.02  1.51  21.92  +7.67    153

JOHNSON COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KBYG     BUFFALO ASOS              0.69  0.08  0.03  0.39  0.10  0.68  0.72  3.31  5.85  2.43  1.84  3.80  19.92  +6.47    148
BUFW4    BUFFALO COOP              1.07  1.13  1.02  1.09  0.86  1.02  1.07  3.44  5.68  2.22  2.54  3.27  24.41  +11.17    184
BFFW4    BUFFALO 5WSW COOP            M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
BLYW4    BILLY CREEK COOP             M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
KCEW4    KAYCEE COOP               1.20  0.45  0.52  0.69  0.34  0.68  0.77  1.92  4.38  0.45  1.67  2.05  15.12  +2.75    122

LINCOLN COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
AFOW4    AFTON COOP                1.03  1.83  2.98  2.83  2.73  2.38  2.85  2.19  4.13  0.32  3.51  2.58  29.36  +11.20    161
BDFW4    BEDFORD 3SE COOP          1.69  2.99  2.80  3.27  3.50  3.90  3.00  2.56  3.15  0.52  2.83  2.35  32.56  +11.16    152
FBMW4    FOSSIL BUTTE NAT MON COOP 0.57  1.17  1.88  2.63  0.67  1.94  1.92  1.70  2.31  0.18  2.25  1.84  19.06  +8.06    173
FNTW4    FONTENELLE DAM COOP       0.19  0.47  0.79  2.09  0.35  0.25  1.10  0.34  2.46  0.55  0.76  1.20  10.55  +3.02    140
KMRW4    KEMMERER 2N COOP          0.01  0.62     T     T  0.67     T     M  0.59  3.66  0.39  2.08  1.87   9.89  +0.45    104

NATRONA COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KCPR     CASPER ASOS               0.27  1.15  0.74  1.99  0.69  0.65  1.49  2.03  3.29  1.33  1.01  0.59  15.23  +2.71    121
CSWW4    CASPER 1SW COOP              M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
CWWW4    CASPER WWTP COOP          0.55  1.10  0.59  1.72  0.56  0.41  0.92  2.12  5.41  1.50  2.03  0.76  17.67  +5.20    141
MWTW4    MIDWEST COOP              1.14  0.40  0.95  1.50  0.89  0.47  0.52  2.09  5.07     M  0.41  1.73      M      M      M 
ACVW4    PATHFINDER DAM COOP       0.45  0.56  0.53     M     M  0.53  1.24  1.86  2.44  0.91  1.18  0.55  10.31  +0.36    103
PRSW4    POWDER RIVER SCHOOL COOP  0.60  0.74  0.37  1.50  0.38  0.23  2.63  1.96  3.51  0.64  1.17  0.46  14.19  +3.76    136
BCRW4    BATES CREEK COOP          0.41  0.61  0.94  1.68  0.75  0.63  1.78  1.76  3.41  1.02  2.34  0.73  16.06  +3.05    123

PARK COUNTY WY STATIONS                              PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KCOD     CODY AWOS                 0.41  0.09  0.05  0.01  0.01  0.27  0.11  0.75  3.30  1.05  1.64  1.01   8.70      M      M
COPW4    CODY COOP                 0.72  0.81  0.43  0.12  1.01  1.26  0.54  1.43  3.73  1.77  1.70  2.02  15.54  +4.98    147
BLBW4    BUFFALO BILL DAM COOP     0.90  0.75  0.44  0.34  1.23  1.34  0.44  1.11  3.61  1.82  1.05  2.32  15.35  +4.71    144
OBAW4    CODY 12SE COOP            0.18  0.40  0.59     T  0.13  0.74     T  1.41  5.45  1.80  1.19  2.03  13.92  +4.68    150
CLAW4    CLARK COOP                0.68  0.32  0.22  0.12  0.22  0.99  0.48  0.96  3.78  1.03  1.16  0.91  10.87  +3.67    150
SUNW4    SUNSHINE 5NE COOP            M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
WAPW4    WAPITI 1NE COOP              M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
NFKW4    PAHASKA COOP              1.18  2.36     M  0.81  1.84  1.70  0.97     M  3.86  1.14  3.08  2.23  21.73      M      M
PFSW4    POWELL FIELD STN COOP     0.75  0.89  0.09  0.00  0.13  0.08  0.04  0.66  3.91  1.05  1.48  0.55   9.63  +2.83    141

SUBLETTE COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KBPI     BIG PINEY ASOS            0.11  0.45  0.53  0.79  0.33  0.34  0.20  1.42  2.54  0.62  1.29  1.30   9.92      M      M
BPIW4    BIG PINEY COOP            0.09  0.50  0.81  1.44  0.45  0.66  0.43  1.17  2.80  0.69  1.30  1.91  12.25  +5.77    189
BPEW4    BIG PINEY 6NE COOP           M     M     M     M     M     M     M  1.51     M     M     M     M      M      M      M 
BNWW4    BONDURANT COOP            0.56  1.49  3.03  1.78  1.56  2.82  0.89  1.52  3.19  0.62  2.24  2.04  21.74  +2.98    115
BRSW4    BOULDER REARING STN COOP  0.04  0.74  0.91  1.47  0.77  0.85  0.63  0.76  1.88     T  1.97  1.18  11.20  +1.48    115
CORW4    CORA COOP                    M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
PNDW4    PINEDALE COOP             0.25  0.76  0.92  1.37  0.63  1.03  0.43  1.40  4.52  1.39  2.95  2.02  17.67  +6.27    155
DANW4    DANIEL FISH HATCHERY COOP 0.38  0.46  1.08  1.29  0.44  1.29  0.41  1.04  2.68  0.52  2.22  1.05  12.86  +1.14    109

SWEETWATER COUNTY WY STATIONS                        PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KRKS     ROCK SPRINGS ASOS         0.10  0.11  0.17  0.02  0.21  0.28  0.16  0.58  0.79  0.45  0.92  0.74   4.53  -4.03     52
RSFW4    ROCK SPRINGS FD COOP      0.13  0.41  0.83  0.43  0.84  0.52  0.56  0.70  1.74  0.35  1.67  0.75   8.93  -0.73     92
GRNW4    GREEN RIVER COOP          0.50  0.92  0.93  0.97  0.81  0.98  2.01  1.33  1.83  0.49  1.72  1.06  13.55  +5.22    162
FGRW4    FLAMING GORGE COOP           M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
FSNW4    FARSON 2NNE COOP          0.24  0.72  0.78  1.26  0.44  0.35  0.66  0.58  1.97  0.53  1.74  1.53  10.80  +1.50    116
BITW4    BITTER CREEK 4NE COOP     0.15  0.55  0.66     M     M  0.37  0.43  1.24  1.45  0.82  0.92  0.17   6.80  +0.50    107
WMSW4    WAMSUTTER COOP            0.91  0.87  1.04  1.02  0.52  0.53  0.62  1.66  2.67  0.90  1.99  0.42  13.15  +4.97    160

TETON COUNTY WY STATIONS                             PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KJAC     JACKSON AWOS                 T  0.42  0.30  0.15  0.02     M  0.06  0.01  0.45     T  0.32  0.15   1.96      M      M
JFSW4    JACKSON COOP              0.37  3.20  2.32  0.99  1.32  1.87  3.01  1.82  2.64  0.55  3.00  2.37  23.46  +6.62    139
MOOW4    MOOSE COOP                1.16     M  2.41     M  1.96  2.68  1.02  1.28  2.55  0.76  3.61  2.05  25.52  +8.94    153
MRAW4    MORAN 5WNW COOP           1.09  2.72  3.28  1.85  2.11  2.34  1.72  1.15  3.13  1.16  3.29  2.73  26.57  +1.92    107
DARW4    DARWIN RANCH COOP         1.01  1.55  2.25  0.81  0.29  2.02  1.76  0.43  3.76  0.94  2.43  1.61  18.86  +2.74    116
ALTW4    ALTA COOP                 1.40  1.33  1.04  2.09  1.87  2.32  2.23  1.29  3.41  0.53  3.85  3.08  24.44  -0.85     96

WASHAKIE COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KWRL     WORLAND ASOS              0.47  0.35  0.12  0.01  0.07  0.44  0.05  0.81  3.34  0.51  0.60  1.73   8.50  +0.93    112
WORW4    WORLAND COOP              0.71  0.46  0.28  0.45  0.28  0.74  0.19  0.79  4.07  0.59  1.23  1.35  11.14  +3.32    142
TFRW4    TEN SLEEP 4NE COOP        1.39  1.32  0.50  0.95  0.66  1.45  0.31  2.00  6.75  0.61  0.91  1.89  18.74  +5.61    142
TNSW4    TEN SLEEP 16SSE COOP      1.37  1.22  0.55  0.67  0.62  1.23  0.35  1.25  4.97  0.62  1.34  3.00  17.19  +3.62    126

YELLOWSTONE NATIONAL PARK STNS                       PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KP60     LAKE YELLOWSTONE ASOS     1.83  3.32  3.19  1.57  1.68  4.03  1.90  1.20  2.89  0.45  4.37  3.62  30.05  +9.75    148
LKYW4    LAKE YELLOWSTONE COOP     2.41  3.46  2.52  1.72  1.30     M  1.45  3.01     M  0.47  4.14  3.17      M      M      M 
OLFW4    OLD FAITHFUL COOP         1.43  3.62     M     M     M  1.86     M  0.62  2.86  0.97  4.14  1.69      M      M      M 
BKRW4    BECHLER RIVER COOP        0.26     M     M     M     M     M     M     M     M  0.19  3.24  2.60      M      M      M 
EYPW4    EAST ENTRANCE COOP        1.04     M  1.20  0.88  1.83     M     M     M     M     M     M     M      M      M      M 
YLWW4    MAMMOTH COOP              2.00  1.89  0.90  0.76  0.64  1.80  0.50  0.42  2.66  1.01  3.29  2.03  17.90  +3.49    124
TWRW4    TOWER FALLS RNGR STN COOP 1.36  1.86  1.64  1.34  1.01  2.11  0.88  1.01  2.89  0.42  2.41  1.89  18.82  +2.40    114
LMRW4    LAMAR RNGR STN COOP       1.60  1.17  1.26  1.34  1.36  1.13  1.24  1.01  2.70  0.96  3.47  2.53  19.77      M      M
SNKW4    SNAKE RIVER RNGR STN COOP 2.42     M  4.58  2.45  3.95     M     M  1.07  2.36  0.29  2.28  2.95      M      M      M