587
CDUS45 KRIW 200045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN OCT 19 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 19 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 69 3:37 PM 79 2003 58 11 63
MINIMUM 34 1:10 AM 17 1949 30 4 28
AVERAGE 52 44 8 46
PRECIPITATION (IN)
TODAY T 1.21 2021 0.04 -0.04 0.00
MONTH TO DATE 1.46 0.82 0.64 0.45
SINCE SEP 1 4.01 1.77 2.24 0.69
SINCE JAN 1 11.32 10.60 0.72 7.67
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 3.9 -3.9 T
SINCE SEP 1 0.0 5.4 -5.4 T
SINCE JUL 1 0.0 5.4 -5.4 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 13 21 -8 19
MONTH TO DATE 278 331 -53 217
SINCE SEP 1 391 545 -154 319
SINCE JUL 1 401 590 -189 357
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 17 30 -13 63
SINCE JAN 1 467 442 25 538
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 47 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 59 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 20.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 26
AVERAGE 54
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 77 1992
2003
MINIMUM TEMPERATURE (F) 29 15 1949
SUNRISE AND SUNSET
OCTOBER 19 2025.......SUNRISE 7:25 AM MDT SUNSET 6:16 PM MDT
OCTOBER 20 2025.......SUNRISE 7:26 AM MDT SUNSET 6:15 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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