366
CDUS45 KRIW 230045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON JUN 22 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 22 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 85 4:54 PM 98 1988 82 3 76
MINIMUM 48 5:14 AM 34 1989 47 1 43
AVERAGE 67 65 2 60
PRECIPITATION (IN)
TODAY 0.02 0.93 1948 0.04 -0.02 0.00
MONTH TO DATE 0.07 1.03 -0.96 0.52
SINCE JUN 1 0.07 1.03 -0.96 0.52
SINCE JAN 1 3.72 6.54 -2.82 5.44
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 29.6 71.8 -42.2 26.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 3 -3 5
MONTH TO DATE 84 111 -27 78
SINCE JUN 1 84 111 -27 78
SINCE JUL 1 5832 7471 -1639 7009
COOLING
TODAY 2 2 0 0
MONTH TO DATE 18 28 -10 51
SINCE JUN 1 18 28 -10 51
SINCE JAN 1 19 32 -13 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 19
AVERAGE 58
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1954
MINIMUM TEMPERATURE (F) 47 32 2025
SUNRISE AND SUNSET
JUNE 22 2026..........SUNRISE 5:27 AM MDT SUNSET 8:48 PM MDT
JUNE 23 2026..........SUNRISE 5:28 AM MDT SUNSET 8:49 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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