854
CDUS45 KRIW 200729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON OCT 20 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 19 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 69 3:37 PM 79 2003 58 11 63
MINIMUM 34 1:10 AM 17 1949 30 4 28
AVERAGE 52 44 8
PRECIPITATION (IN)
YESTERDAY 0.01 1.21 2021 0.04 -0.03 0.00
MONTH TO DATE 1.47 0.82 0.65 0.45
SINCE SEP 1 4.02 1.77 2.25 0.69
SINCE JAN 1 11.33 10.60 0.73 7.67
SNOWFALL (IN)
YESTERDAY 0.0 4.7 2021 0.2 -0.2 0.0
MONTH TO DATE 0.0 3.9 -3.9 T
SINCE SEP 1 0.0 5.4 -5.4 T
SINCE JUL 1 0.0 5.4 -5.4 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 21 -8 19
MONTH TO DATE 278 331 -53 217
SINCE SEP 1 391 545 -154 319
SINCE JUL 1 401 590 -189 357
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 47 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 59 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 20.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 10:00 PM
LOWEST 26 4:00 PM
AVERAGE 54
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 77 1992
2003
MINIMUM TEMPERATURE (F) 29 15 1949
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:26 AM MDT SUNSET 6:15 PM MDT
OCTOBER 21 2025.......SUNRISE 7:27 AM MDT SUNSET 6:13 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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