Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 150735
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT TUE SEP 15 2026
...................................
...THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 14 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 4:16 PM 83 1990 71 -4 70
MINIMUM 36 6:08 AM 19 1992 32 4 31
AVERAGE 52 52 0
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 2016 0.02 -0.02 0.00
MONTH TO DATE 0.09 0.28 -0.19 0.20
SINCE SEP 1 0.09 0.28 -0.19 0.20
SINCE JAN 1 4.45 6.19 -1.74 6.06
DEGREE DAYS
HEATING
YESTERDAY 13 14 -1 14
MONTH TO DATE 114 159 -45 99
SINCE SEP 1 114 159 -45 99
SINCE JUL 1 231 435 -204 273
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 163 30 133 41
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 4:00 AM
LOWEST 18 4:00 PM
AVERAGE 44
..........................................................
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 85 2000
MINIMUM TEMPERATURE (F) 32 20 1979
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 7:00 AM MDT SUNSET 7:30 PM MDT
SEPTEMBER 16 2026.....SUNRISE 7:01 AM MDT SUNSET 7:28 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$