Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 200729
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT SEP 20 2025
...................................
...THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 19 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 73 1:45 PM 83 2010 68 5 69
MINIMUM 32 6:06 AM 17 1978 31 1 27
AVERAGE 53 50 3
PRECIPITATION (IN)
YESTERDAY 0.00 0.90 1978 0.03 -0.03 0.00
MONTH TO DATE 0.33 0.39 -0.06 0.29
SINCE SEP 1 0.33 0.39 -0.06 0.29
SINCE JAN 1 6.19 6.30 -0.11 3.32
DEGREE DAYS
HEATING
YESTERDAY 12 15 -3 17
MONTH TO DATE 166 232 -66 198
SINCE SEP 1 166 232 -66 198
SINCE JUL 1 340 508 -168 410
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 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 4.4
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 78 6:00 AM
LOWEST 16 2:00 PM
AVERAGE 47
..........................................................
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 80 2016
MINIMUM TEMPERATURE (F) 31 18 1978
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 7:06 AM MDT SUNSET 7:21 PM MDT
SEPTEMBER 21 2025.....SUNRISE 7:07 AM MDT SUNSET 7:19 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$