408
CDUS45 KRIW 280045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON OCT 27 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 27 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 53 12:49 PM 74 1983 55 -2 68
2016
MINIMUM 34 4:59 PM -4 2019 27 7 37
AVERAGE 44 41 3 53
PRECIPITATION (IN)
TODAY T 0.50 1975 0.03 -0.03 0.00
MONTH TO DATE 1.50 1.07 0.43 0.46
SINCE SEP 1 4.05 2.02 2.03 0.70
SINCE JAN 1 11.36 10.85 0.51 7.68
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.3 5.9 -5.6 T
SINCE SEP 1 0.3 7.4 -7.1 T
SINCE JUL 1 0.3 7.4 -7.1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 21 24 -3 12
MONTH TO DATE 420 514 -94 345
SINCE SEP 1 533 728 -195 447
SINCE JUL 1 543 773 -230 485
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 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 15.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92
LOWEST 29
AVERAGE 61
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 75 1990
MINIMUM TEMPERATURE (F) 27 -2 2019
SUNRISE AND SUNSET
OCTOBER 27 2025.......SUNRISE 7:34 AM MDT SUNSET 6:04 PM MDT
OCTOBER 28 2025.......SUNRISE 7:36 AM MDT SUNSET 6:03 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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