578
CDUS45 KRIW 180730
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU SEP 18 2025
...............................
..THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 17 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 66 4:35 PM 83 1990 69 -3 66
MINIMUM 42 11:59 PM 22 1984 31 11 34
AVERAGE 54 50 4
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 2022 0.02 -0.02 T
MONTH TO DATE 0.33 0.34 -0.01 0.29
SINCE SEP 1 0.33 0.34 -0.01 0.29
SINCE JAN 1 6.19 6.25 -0.06 3.32
DEGREE DAYS
HEATING
YESTERDAY 11 15 -4 15
MONTH TO DATE 140 202 -62 164
SINCE SEP 1 140 202 -62 164
SINCE JUL 1 314 478 -164 376
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 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 2:00 AM
LOWEST 26 5:00 PM
AVERAGE 51
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THE BIG PINEY WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 83 2014
MINIMUM TEMPERATURE (F) 31 16 2003
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 7:04 AM MDT SUNSET 7:24 PM MDT
SEPTEMBER 19 2025.....SUNRISE 7:05 AM MDT SUNSET 7:22 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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