661
CDUS45 KRIW 300740
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
140 AM MDT WED APR 30 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 29 2025
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)
YESTERDAY
MAXIMUM 66 3:41 PM 83 1992 60 6 64
MINIMUM 32 3:57 AM 16 1990 31 1 37
2019
AVERAGE 49 45 4
PRECIPITATION (IN)
YESTERDAY 0.00 0.62 1997 0.06 -0.06 T
MONTH TO DATE 1.18 1.35 -0.17 1.22
SINCE MAR 1 2.51 2.19 0.32 1.79
SINCE JAN 1 3.23 3.24 -0.01 2.82
SNOWFALL (IN)
YESTERDAY 0.0 3.8 1984 0.3 -0.3 0.0
MONTH TO DATE 7.7 10.3 -2.6 6.6
SINCE MAR 1 15.7 20.6 -4.9 9.3
SINCE JUL 1 26.2 68.9 -42.7 38.6
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 16 20 -4 14
MONTH TO DATE 677 665 12 612
SINCE MAR 1 1526 1572 -46 1505
SINCE JUL 1 6541 6934 -393 6460
COOLING
YESTERDAY 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 25 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 14.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 7 1:00 PM
AVERAGE 52
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 84 1992
2021
MINIMUM TEMPERATURE (F) 31 18 1967
SUNRISE AND SUNSET
APRIL 30 2025.........SUNRISE 6:01 AM MDT SUNSET 8:06 PM MDT
MAY 1 2025...........SUNRISE 5:59 AM MDT SUNSET 8:07 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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