340
CDUS45 KRIW 130731
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST TUE JAN 13 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 12 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 1:32 PM 57 1953 35 13 31
MINIMUM 34 8:15 AM -25 1963 15 19 11
AVERAGE 41 25 16
PRECIPITATION (IN)
YESTERDAY 0.00 0.53 1972 0.02 -0.02 0.00
MONTH TO DATE 0.11 0.20 -0.09 0.28
SINCE DEC 1 0.47 0.81 -0.34 0.44
SINCE JAN 1 0.11 0.20 -0.09 0.28
SNOWFALL (IN)
YESTERDAY 0.0 9.7 1972 0.3 -0.3 0.0
MONTH TO DATE 0.7 3.5 -2.8 4.0
SINCE DEC 1 6.2 14.5 -8.3 5.5
SINCE JUL 1 10.5 31.9 -21.4 5.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 24 40 -16 44
MONTH TO DATE 323 483 -160 533
SINCE DEC 1 1186 1731 -545 1503
SINCE JUL 1 2612 3533 -921 3003
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 20.9
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 48 9:00 PM
LOWEST 34 2:00 PM
AVERAGE 41
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 52 1953
1990
MINIMUM TEMPERATURE (F) 15 -40 1972
SUNRISE AND SUNSET
JANUARY 13 2026.......SUNRISE 7:35 AM MST SUNSET 4:55 PM MST
JANUARY 14 2026.......SUNRISE 7:34 AM MST SUNSET 4:56 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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