515
CDUS45 KRIW 310045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU OCT 30 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 30 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 52 3:31 PM 75 1950 54 -2 35
MINIMUM 21 6:57 AM -9 2019 27 -6 23
AVERAGE 37 40 -3 29
PRECIPITATION (IN)
TODAY 0.00 0.31 1974 0.03 -0.03 0.19
MONTH TO DATE 1.56 1.16 0.40 1.51
SINCE SEP 1 4.11 2.11 2.00 1.75
SINCE JAN 1 11.42 10.94 0.48 8.73
SNOWFALL (IN)
TODAY MM 0.2 MM MM
MONTH TO DATE 0.3 6.7 -6.4 T
SINCE SEP 1 0.3 8.2 -7.9 T
SINCE JUL 1 0.3 8.2 -7.9 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 28 25 3 36
MONTH TO DATE 511 588 -77 424
SINCE SEP 1 624 802 -178 526
SINCE JUL 1 634 847 -213 564
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 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 30
AVERAGE 59
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 70 2008
2014
MINIMUM TEMPERATURE (F) 26 2 1972
SUNRISE AND SUNSET
OCTOBER 30 2025.......SUNRISE 7:38 AM MDT SUNSET 6:00 PM MDT
OCTOBER 31 2025.......SUNRISE 7:39 AM MDT SUNSET 5:59 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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