Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 200734
CLIBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT SUN SEP 20 2026
...................................
...THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 19 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 61 MM 83 2010 68 -7 73
MINIMUM 40 MM 17 1978 31 9 32
AVERAGE 51 50 1
PRECIPITATION (IN)
YESTERDAY 0.13 0.90 1978 0.03 0.10 0.00
MONTH TO DATE 0.78 0.39 0.39 0.33
SINCE SEP 1 0.78 0.39 0.39 0.33
SINCE JAN 1 5.14 6.30 -1.16 6.19
DEGREE DAYS
HEATING
YESTERDAY 14 15 -1 12
MONTH TO DATE 177 232 -55 166
SINCE SEP 1 177 232 -55 166
SINCE JUL 1 294 508 -214 340
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 21 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 49 2:00 PM
AVERAGE 75
..........................................................
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 2026.....SUNRISE 7:06 AM MDT SUNSET 7:21 PM MDT
SEPTEMBER 21 2026.....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.
$$