044
CDUS45 KRIW 180045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI OCT 17 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 17 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 58 3:31 PM 79 2003 59 -1 69
MINIMUM 38 4:40 AM 19 1968 30 8 37
1996
2012
AVERAGE 48 45 3 53
PRECIPITATION (IN)
TODAY T 0.31 1971 0.04 -0.04 0.25
MONTH TO DATE 1.32 0.74 0.58 0.25
SINCE SEP 1 3.87 1.69 2.18 0.49
SINCE JAN 1 11.18 10.52 0.66 7.47
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 0.0 3.4 -3.4 0.0
SINCE SEP 1 0.0 4.9 -4.9 0.0
SINCE JUL 1 0.0 4.9 -4.9 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 17 20 -3 12
MONTH TO DATE 239 289 -50 166
SINCE SEP 1 352 503 -151 268
SINCE JUL 1 362 548 -186 306
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 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 20.5
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 86
LOWEST 40
AVERAGE 63
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 78 2003
MINIMUM TEMPERATURE (F) 30 16 2006
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:22 AM MDT SUNSET 6:19 PM MDT
OCTOBER 18 2025.......SUNRISE 7:23 AM MDT SUNSET 6:18 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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