Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 050731
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SUN OCT 05 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 4 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 56 11:49 AM 85 2024 66 -10 85
MINIMUM 42 6:14 AM 22 1964 35 7 29
AVERAGE 49 50 -1
PRECIPITATION (IN)
YESTERDAY 0.10 0.86 1998 0.05 0.05 0.00
MONTH TO DATE 0.10 0.19 -0.09 0.00
SINCE SEP 1 2.65 1.14 1.51 0.24
SINCE JAN 1 9.96 9.97 -0.01 7.22
SNOWFALL (IN)
YESTERDAY 0.0 12.4 2013 0.2 -0.2 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE SEP 1 0.0 2.2 -2.2 0.0
SINCE JUL 1 0.0 2.2 -2.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 15 1 8
MONTH TO DATE 31 56 -25 38
SINCE SEP 1 144 270 -126 140
SINCE JUL 1 154 315 -161 178
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 22 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 PM
LOWEST 54 12:00 AM
AVERAGE 77
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 87 1993
MINIMUM TEMPERATURE (F) 35 19 1964
2013
SUNRISE AND SUNSET
OCTOBER 5 2025.......SUNRISE 7:08 AM MDT SUNSET 6:39 PM MDT
OCTOBER 6 2025.......SUNRISE 7:09 AM MDT SUNSET 6:38 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$