Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 080741
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
141 AM MDT WED OCT 08 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 7 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 61 3:33 PM 83 1979 64 -3 76
MINIMUM 28 4:28 AM 14 1970 34 -6 38
2000
AVERAGE 45 49 -4
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 1949 0.04 -0.04 0.00
MONTH TO DATE 0.66 0.32 0.34 0.00
SINCE SEP 1 3.21 1.27 1.94 0.24
SINCE JAN 1 10.52 10.10 0.42 7.22
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1970 0.2 -0.2 0.0
MONTH TO DATE 0.0 1.3 -1.3 0.0
SINCE SEP 1 0.0 2.8 -2.8 0.0
SINCE JUL 1 0.0 2.8 -2.8 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 16 4 8
MONTH TO DATE 96 103 -7 72
SINCE SEP 1 209 317 -108 174
SINCE JUL 1 219 362 -143 212
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 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.2
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 92 1:00 AM
LOWEST 25 12:00 PM
AVERAGE 59
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 81 2020
MINIMUM TEMPERATURE (F) 34 12 1970
2000
SUNRISE AND SUNSET
OCTOBER 8 2025.......SUNRISE 7:12 AM MDT SUNSET 6:34 PM MDT
OCTOBER 9 2025.......SUNRISE 7:13 AM MDT SUNSET 6:33 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$