118
CDUS45 KRIW 170727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST MON NOV 17 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 16 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 67R 1:19 PM 67 1999 46 21 40
MINIMUM 31 7:24 AM -11 1959 22 9 22
AVERAGE 49 34 15
PRECIPITATION (IN)
YESTERDAY T 0.35 1958 0.02 -0.02 0.00
MONTH TO DATE T 0.36 -0.36 0.12
SINCE SEP 1 4.11 2.50 1.61 1.87
SINCE JAN 1 11.42 11.33 0.09 8.85
SNOWFALL (IN)
YESTERDAY MM 5.5 1958 0.3 MM 0.0
MONTH TO DATE T 4.6 -4.6 T
SINCE SEP 1 1.3 13.1 -11.8 T
SINCE JUL 1 1.3 13.1 -11.8 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 16 31 -15 34
MONTH TO DATE 302 453 -151 452
SINCE SEP 1 957 1278 -321 1012
SINCE JUL 1 967 1323 -356 1050
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 17 31 -14 63
SINCE JAN 1 467 443 24 538
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WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.7
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 11:00 PM
LOWEST 28 12:00 PM
AVERAGE 55
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 70 1999
MINIMUM TEMPERATURE (F) 22 -11 2022
SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE 7:01 AM MST SUNSET 4:40 PM MST
NOVEMBER 18 2025......SUNRISE 7:02 AM MST SUNSET 4:40 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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