Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 100731
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT WED SEP 10 2025
...................................
...THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 9 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 2:02 PM 88 2021 73 2 82
MINIMUM 40 3:01 AM 11 1976 34 6 39
AVERAGE 58 53 5
PRECIPITATION (IN)
YESTERDAY T 0.27 2005 0.02 -0.02 0.00
MONTH TO DATE 0.09 0.18 -0.09 0.16
SINCE SEP 1 0.09 0.18 -0.09 0.16
SINCE JAN 1 5.95 6.09 -0.14 3.19
DEGREE DAYS
HEATING
YESTERDAY 7 12 -5 4
MONTH TO DATE 52 95 -43 60
SINCE SEP 1 52 95 -43 60
SINCE JUL 1 226 371 -145 272
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 41 30 11 64
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 3:00 AM
LOWEST 24 2:00 PM
AVERAGE 54
..........................................................
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 82 2018
MINIMUM TEMPERATURE (F) 34 15 2020
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:55 AM MDT SUNSET 7:38 PM MDT
SEPTEMBER 11 2025.....SUNRISE 6:56 AM MDT SUNSET 7:37 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$