554
CDUS45 KRIW 060729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT SEP 06 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 68 2:04 PM 98 2020 81 -13 79
MINIMUM 38 11:58 PM 34 1965 46 -8 44
AVERAGE 53 63 -10
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 1993 0.03 -0.03 0.00
MONTH TO DATE 0.01 0.11 -0.10 0.15
SINCE SEP 1 0.01 0.11 -0.10 0.15
SINCE JAN 1 7.32 8.94 -1.62 7.13
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 12 4 8 3
MONTH TO DATE 15 16 -1 7
SINCE SEP 1 15 16 -1 7
SINCE JUL 1 25 61 -36 45
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 4 11 -7 25
SINCE SEP 1 4 11 -7 25
SINCE JAN 1 454 423 31 500
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 11:00 PM
LOWEST 27 5:00 PM
AVERAGE 47
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 96 1978
2022
MINIMUM TEMPERATURE (F) 46 33 1956
2010
SUNRISE AND SUNSET
SEPTEMBER 6 2025.....SUNRISE 6:36 AM MDT SUNSET 7:31 PM MDT
SEPTEMBER 7 2025.....SUNRISE 6:37 AM MDT SUNSET 7:29 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