Climatological Report (Daily)
Issued by NWS
Issued by NWS
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034
CDUS45 KRIW 090731
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU OCT 09 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 8 2025...
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)
YESTERDAY
MAXIMUM 74 2:35 PM 81 2020 63 11 78
MINIMUM 32 1:35 AM 12 1970 34 -2 34
2000
AVERAGE 53 48 5
PRECIPITATION (IN)
YESTERDAY 0.00 0.49 2017 0.04 -0.04 0.00
MONTH TO DATE 0.66 0.36 0.30 0.00
SINCE SEP 1 3.21 1.31 1.90 0.24
SINCE JAN 1 10.52 10.14 0.38 7.22
SNOWFALL (IN)
YESTERDAY 0.0 3.7 1949 0.2 -0.2 0.0
MONTH TO DATE 0.0 1.5 -1.5 0.0
SINCE SEP 1 0.0 3.0 -3.0 0.0
SINCE JUL 1 0.0 3.0 -3.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 17 -5 9
MONTH TO DATE 108 120 -12 81
SINCE SEP 1 221 334 -113 183
SINCE JUL 1 231 379 -148 221
COOLING
YESTERDAY 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 30 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 13.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 12:00 AM
LOWEST 18 3:00 PM
AVERAGE 53
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 83 2003
MINIMUM TEMPERATURE (F) 33 12 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.
$$