907
CDUS45 KRIW 040726
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT THU SEP 04 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 3 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 88 2:51 PM 95 2017 82 6 91
MINIMUM 48 5:49 AM 31 2010 47 1 58
AVERAGE 68 64 4
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 1943 0.02 -0.02 0.09
MONTH TO DATE 0.01 0.06 -0.05 0.09
SINCE SEP 1 0.01 0.06 -0.05 0.09
SINCE JAN 1 7.32 8.89 -1.57 7.07
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 0
MONTH TO DATE 1 9 -8 0
SINCE SEP 1 1 9 -8 0
SINCE JUL 1 11 54 -43 38
COOLING
YESTERDAY 3 2 1 10
MONTH TO DATE 4 7 -3 25
SINCE SEP 1 4 7 -3 25
SINCE JAN 1 454 419 35 500
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.5
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 77 12:00 AM
LOWEST 13 5:00 PM
AVERAGE 45
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 2022
MINIMUM TEMPERATURE (F) 46 34 2006
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:34 AM MDT SUNSET 7:35 PM MDT
SEPTEMBER 5 2025.....SUNRISE 6:35 AM MDT SUNSET 7:33 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