187
CDUS45 KRIW 210731
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SUN SEP 21 2025
...............................
..THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 20 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 77 2:52 PM 80 2016 68 9 72
MINIMUM 45 6:37 AM 18 1978 31 14 30
AVERAGE 61 49 12
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 2019 0.02 -0.02 0.00
MONTH TO DATE 0.33 0.41 -0.08 0.29
SINCE SEP 1 0.33 0.41 -0.08 0.29
SINCE JAN 1 6.19 6.32 -0.13 3.32
DEGREE DAYS
HEATING
YESTERDAY 4 16 -12 14
MONTH TO DATE 170 248 -78 212
SINCE SEP 1 170 248 -78 212
SINCE JUL 1 344 524 -180 424
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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 8:00 AM
LOWEST 16 3:00 PM
AVERAGE 36
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THE BIG PINEY WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 78 2015
MINIMUM TEMPERATURE (F) 30 9 1983
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 7:07 AM MDT SUNSET 7:19 PM MDT
SEPTEMBER 22 2025.....SUNRISE 7:08 AM MDT SUNSET 7:17 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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