815
CDUS45 KRIW 140045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT JUN 13 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 13 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 59 4:59 PM 95 1994 79 -20 87
2006
MINIMUM 42 4:34 AM 28 1969 45 -3 49
AVERAGE 51 62 -11 68
PRECIPITATION (IN)
TODAY 0.00 1.26 1983 0.04 -0.04 T
MONTH TO DATE T 0.66 -0.66 0.50
SINCE JUN 1 T 0.66 -0.66 0.50
SINCE JAN 1 3.65 6.17 -2.52 5.42
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 14 5 9 0
MONTH TO DATE 47 80 -33 69
SINCE JUN 1 47 80 -33 69
SINCE JUL 1 5795 7440 -1645 7000
COOLING
TODAY 0 1 -1 3
MONTH TO DATE 14 12 2 11
SINCE JUN 1 14 12 2 11
SINCE JAN 1 15 16 -1 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 14.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71
LOWEST 42
AVERAGE 57
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 99 2021
MINIMUM TEMPERATURE (F) 45 30 1969
SUNRISE AND SUNSET
JUNE 13 2026..........SUNRISE 5:27 AM MDT SUNSET 8:46 PM MDT
JUNE 14 2026..........SUNRISE 5:26 AM MDT SUNSET 8:46 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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