397
CDUS45 KRIW 130045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI JUN 12 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 12 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 4:27 PM 95 1956 78 7 88
MINIMUM 34 3:38 AM 31 1969 45 -11 46
1985
AVERAGE 60 61 -1 67
PRECIPITATION (IN)
TODAY 0.00 1.06 1970 0.04 -0.04 0.27
MONTH TO DATE T 0.62 -0.62 0.50
SINCE JUN 1 T 0.62 -0.62 0.50
SINCE JAN 1 3.65 6.13 -2.48 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 5 5 0 0
MONTH TO DATE 33 75 -42 69
SINCE JUN 1 33 75 -42 69
SINCE JUL 1 5781 7435 -1654 7000
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 14 11 3 8
SINCE JUN 1 14 11 3 8
SINCE JAN 1 15 15 0 8
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.8
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 67
LOWEST 8
AVERAGE 38
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 1994
2006
MINIMUM TEMPERATURE (F) 45 28 1969
SUNRISE AND SUNSET
JUNE 12 2026..........SUNRISE 5:27 AM MDT SUNSET 8:45 PM MDT
JUNE 13 2026..........SUNRISE 5:27 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page