917
CDUS45 KRIW 090045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU MAY 08 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 8 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 73 4:15 PM 84 1987 63 10 51
MINIMUM 41 5:12 AM 18 2010 34 7 36
AVERAGE 57 49 8 44
PRECIPITATION (IN)
TODAY 0.00 1.66 1995 0.08 -0.08 0.18
MONTH TO DATE 0.18 0.54 -0.36 0.94
SINCE MAR 1 3.10 2.79 0.31 2.73
SINCE JAN 1 3.82 3.84 -0.02 3.76
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.0 1.2 -1.2 3.9
SINCE MAR 1 15.7 22.0 -6.3 13.2
SINCE JUL 1 26.2 70.3 -44.1 42.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 8 16 -8 21
MONTH TO DATE 90 142 -52 179
SINCE MAR 1 1639 1731 -92 1705
SINCE JUL 1 6654 7093 -439 6660
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 21 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 42
LOWEST 21
AVERAGE 32
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 83 1962
MINIMUM TEMPERATURE (F) 35 18 2002
SUNRISE AND SUNSET
MAY 8 2025...........SUNRISE 5:50 AM MDT SUNSET 8:15 PM MDT
MAY 9 2025...........SUNRISE 5:49 AM MDT SUNSET 8:16 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