864
CDUS45 KRIW 270728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT FRI MAR 27 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 26 2026
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)
YESTERDAY
MAXIMUM 52 2:12 AM 75 2025 52 0 75
MINIMUM 33 6:03 AM -12 1965 25 8 25
AVERAGE 43 39 4
PRECIPITATION (IN)
YESTERDAY 0.00 0.98 1958 0.03 -0.03 0.00
MONTH TO DATE 0.16 0.67 -0.51 1.06
SINCE MAR 1 0.16 0.67 -0.51 1.06
SINCE JAN 1 0.70 1.72 -1.02 1.78
SNOWFALL (IN)
YESTERDAY 0.0 11.2 1958 0.3 -0.3 0.0
MONTH TO DATE 1.6 8.5 -6.9 7.2
SINCE MAR 1 1.6 8.5 -6.9 7.2
SINCE JUL 1 17.3 56.8 -39.5 17.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 26 -4 15
MONTH TO DATE 509 779 -270 744
SINCE MAR 1 509 779 -270 744
SINCE JUL 1 4686 6141 -1455 5759
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
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 11.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 6:00 AM
LOWEST 42 12:00 AM
AVERAGE 65
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 76 2025
MINIMUM TEMPERATURE (F) 26 -6 2009
SUNRISE AND SUNSET
MARCH 27 2026.........SUNRISE 6:56 AM MDT SUNSET 7:27 PM MDT
MARCH 28 2026.........SUNRISE 6:55 AM MDT SUNSET 7:28 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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