430
CDUS45 KRIW 230045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED OCT 22 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 22 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 64 3:31 PM 80 2003 57 7 68
MINIMUM 28 5:30 AM 9 2020 29 -1 27
AVERAGE 46 43 3 48
PRECIPITATION (IN)
TODAY 0.00 0.69 1986 0.03 -0.03 0.00
MONTH TO DATE 1.49 0.92 0.57 0.45
SINCE SEP 1 4.04 1.87 2.17 0.69
SINCE JAN 1 11.35 10.70 0.65 7.67
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 0.3 4.7 -4.4 T
SINCE SEP 1 0.3 6.2 -5.9 T
SINCE JUL 1 0.3 6.2 -5.9 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 19 22 -3 17
MONTH TO DATE 339 397 -58 255
SINCE SEP 1 452 611 -159 357
SINCE JUL 1 462 656 -194 395
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 22 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67
LOWEST 19
AVERAGE 43
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 2003
MINIMUM TEMPERATURE (F) 29 -5 2020
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:28 AM MDT SUNSET 6:12 PM MDT
OCTOBER 23 2025.......SUNRISE 7:29 AM MDT SUNSET 6:10 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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