Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 100045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU OCT 09 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 9 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 78 3:24 PM 83 2003 63 15 80
MINIMUM 41 3:14 AM 12 2009 33 8 37
AVERAGE 60 48 12 59
PRECIPITATION (IN)
TODAY 0.00 0.51 2005 0.04 -0.04 0.00
MONTH TO DATE 0.66 0.40 0.26 0.00
SINCE SEP 1 3.21 1.35 1.86 0.24
SINCE JAN 1 10.52 10.18 0.34 7.22
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 1.7 -1.7 0.0
SINCE SEP 1 0.0 3.2 -3.2 0.0
SINCE JUL 1 0.0 3.2 -3.2 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 5 17 -12 6
MONTH TO DATE 113 137 -24 87
SINCE SEP 1 226 351 -125 189
SINCE JUL 1 236 396 -160 227
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 (210)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.6
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 57
LOWEST 20
AVERAGE 39
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 85 2015
MINIMUM TEMPERATURE (F) 33 11 2009
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:13 AM MDT SUNSET 6:33 PM MDT
OCTOBER 10 2025.......SUNRISE 7:14 AM MDT SUNSET 6:31 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$