448
CDUS45 KRIW 050728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT SEP 05 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 4 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 90 2:55 PM 100 2022 81 9 79
MINIMUM 48 1:48 AM 34 2006 46 2 46
AVERAGE 69 64 5
PRECIPITATION (IN)
YESTERDAY 0.00 0.45 2016 0.02 -0.02 0.00
MONTH TO DATE 0.01 0.08 -0.07 0.01
SINCE SEP 1 0.01 0.08 -0.07 0.01
SINCE JAN 1 6.35 8.91 -2.56 7.32
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 2
MONTH TO DATE 0 12 -12 3
SINCE SEP 1 0 12 -12 3
SINCE JUL 1 5 57 -52 13
COOLING
YESTERDAY 4 2 2 0
MONTH TO DATE 20 9 11 4
SINCE SEP 1 20 9 11 4
SINCE JAN 1 613 421 192 454
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WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 4:00 AM
LOWEST 14 1:00 PM
AVERAGE 29
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 2020
MINIMUM TEMPERATURE (F) 46 34 1965
SUNRISE AND SUNSET
SEPTEMBER 5 2026.....SUNRISE 6:35 AM MDT SUNSET 7:33 PM MDT
SEPTEMBER 6 2026.....SUNRISE 6:36 AM MDT SUNSET 7:31 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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