936
CDUS45 KRIW 200045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN APR 19 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 19 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 68 4:27 PM 81 1962 57 11 45
MINIMUM 29 5:44 AM -4 1966 28 1 16
AVERAGE 49 43 6 31
PRECIPITATION (IN)
TODAY 0.00 1.18 1974 0.04 -0.04 0.00
MONTH TO DATE 0.78 0.81 -0.03 0.76
SINCE MAR 1 0.94 1.65 -0.71 2.09
SINCE JAN 1 1.48 2.70 -1.22 2.81
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 6.8 7.3 -0.5 7.7
SINCE MAR 1 8.4 17.6 -9.2 15.7
SINCE JUL 1 24.1 65.9 -41.8 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 16 22 -6 34
MONTH TO DATE 386 454 -68 473
SINCE MAR 1 972 1361 -389 1322
SINCE JUL 1 5149 6723 -1574 6337
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56
LOWEST 10
AVERAGE 33
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 81 1962
1980
1989
MINIMUM TEMPERATURE (F) 29 -2 1966
SUNRISE AND SUNSET
APRIL 19 2026.........SUNRISE 6:18 AM MDT SUNSET 7:53 PM MDT
APRIL 20 2026.........SUNRISE 6:16 AM MDT SUNSET 7:54 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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