819
CXUS55 KRIW 011658
CLMBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1055 AM MDT FRI MAY 01 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH
OF APRIL 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2026 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
..BIG PINEY WAS DRIER AND WARMER THAN NORMAL APRIL
THE AVERAGE TEMPERATURE FOR BIG PINEY IN APRIL WAS 36.7 DEGREES
WHICH WAS 0.3 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE
MONTH WAS 72 DEGREES ON THE 21ST. THE 6TH HIT 62 AND BROKE 59
DEGREES FROM 2017 AND 2004. THE COLDEST READING WAS 2 DEGREES ON THE
18TH AND TIED 2013. THE 17TH LOW OF 9 BROKE THE 2020 RECORD OF 10.
THE 25TH DROPPED TO 9 DEGREES AND BROKE 14 FROM 2000 AND 2018.
PRECIPITATION FOR THE MONTH WAS 0.33 INCHES...WHICH IS 48 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 1ST-2ND WITH 0.27
INCHES. THE 2ND HAD 0.19 INCHES AND BROKE 0.14 FROM 2001. THE
HIGHEST WIND GUST WAS 62 MPH OCCURRING ON THE 22ND FROM THE
NORTHWEST.
..THE BIG PINEY WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 77 04/23/2012
04/29/2007
LOW -7 04/06/2023
HIGHEST 72 04/21
LOWEST 2 04/18
AVG. MAXIMUM 53.8 51.9 1.9
AVG. MINIMUM 19.6 20.8 -1.2
MEAN 36.7 36.4 0.3
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 29
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.51 1999
MINIMUM T 1979
TOTALS 0.33 0.69 -0.36 1.04
DAILY AVG. 0.01 0.02 -0.01
DAYS >= .01 6
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.27 04/01 TO 04/02
STORM TOTAL 0.19
DEGREE DAYS
HEATING TOTAL 840 860 -20
SINCE 7/1 7196 9471 -2275
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 9.4
RESULTANT WIND SPEED/DIRECTION 5/310
HIGHEST WIND SPEED/DIRECTION 43/270 DATE 04/12
HIGHEST GUST SPEED/DIRECTION 62/300 DATE 04/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.34
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 54
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 9 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 2
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO MAY 2026. THE AVERAGE HIGH TEMPERATURE ON THE FIRST
OF THE MONTH IS 57 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 24
DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 67
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 33 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.22 INCHES.
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