559
CDUS45 KRIW 130736
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
136 AM MDT MON OCT 13 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 12 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 58 12:12 AM 81 1991 61 -3 75
MINIMUM 30 10:46 PM 9 1969 32 -2 34
AVERAGE 44 47 -3
PRECIPITATION (IN)
YESTERDAY T 1.34 2023 0.04 -0.04 0.00
MONTH TO DATE 0.69 0.53 0.16 0.00
SINCE SEP 1 3.24 1.48 1.76 0.24
SINCE JAN 1 10.55 10.31 0.24 7.22
SNOWFALL (IN)
YESTERDAY 0.0 8.2 2021 0.2 -0.2 0.0
MONTH TO DATE 0.0 2.3 -2.3 0.0
SINCE SEP 1 0.0 3.8 -3.8 0.0
SINCE JUL 1 0.0 3.8 -3.8 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 18 3 10
MONTH TO DATE 150 191 -41 103
SINCE SEP 1 263 405 -142 205
SINCE JUL 1 273 450 -177 243
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
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WIND (MPH)
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 21.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 11:00 PM
LOWEST 24 1:00 PM
AVERAGE 48
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 80 1958
MINIMUM TEMPERATURE (F) 32 9 1969
SUNRISE AND SUNSET
OCTOBER 13 2025.......SUNRISE 7:17 AM MDT SUNSET 6:26 PM MDT
OCTOBER 14 2025.......SUNRISE 7:19 AM MDT SUNSET 6:24 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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