170
CDUS45 KRIW 140045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE MAY 13 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 13 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 72 3:45 PM 88 2013 66 6 76
MINIMUM 44 5:52 AM 22 1983 36 8 38
AVERAGE 58 51 7 57
PRECIPITATION (IN)
TODAY 0.00 0.99 1942 0.08 -0.08 T
MONTH TO DATE 0.34 0.91 -0.57 1.26
SINCE MAR 1 3.26 3.16 0.10 3.05
SINCE JAN 1 3.98 4.21 -0.23 4.08
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.3 1.8 -1.5 3.9
SINCE MAR 1 16.0 22.6 -6.6 13.2
SINCE JUL 1 26.5 70.9 -44.4 42.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 7 14 -7 8
MONTH TO DATE 156 218 -62 244
SINCE MAR 1 1705 1807 -102 1770
SINCE JUL 1 6720 7169 -449 6725
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 26 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.3
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 79
LOWEST 25
AVERAGE 52
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 88 2013
MINIMUM TEMPERATURE (F) 37 22 2004
SUNRISE AND SUNSET
MAY 13 2025...........SUNRISE 5:45 AM MDT SUNSET 8:20 PM MDT
MAY 14 2025...........SUNRISE 5:44 AM MDT SUNSET 8:22 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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