Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 021631
CLMBPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1021 AM MDT MON OCT 02 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH
OF SEPTEMBER 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF SEPTEMBER 2023 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 WARMER AND WETTER THAN NORMAL IN SEPTEMBER...
THE AVERAGE TEMPERATURE FOR BIG PINEY IN SEPTEMBER WAS 52.4 DEGREES
WHICH WAS 1.6 DEGREES ABOVE NORMAL THE WARMEST READING FOR THE MONTH
WAS 79 DEGREES ON THE 1ST AND 9TH. THE COLDEST TEMPERATURE WAS 24
DEGREES ON THE 24TH. NO TEMPERATURE RECORDS WERE BROKEN.
PRECIPITATION FOR THE MONTH WAS 1.31 INCHES...WHICH IS 205 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 3RD-4TH WITH 0.75
INCHES. THE 3RD HAD 0.51 INCHES AND BROKE THE 1987 RECORD OF 0.37.
THE HIGHEST WIND GUST WAS 46 MPH FROM THE SOUTHEAST ON THE 31ST.
...THE BIG PINEY WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER
2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 91 09/05/2020
LOW 9 09/27/1996
09/21/1983
HIGHEST 79 09/01
09/09
LOWEST 24 09/24
AVG. MAXIMUM 70.4 69.7 0.7
AVG. MINIMUM 34.4 31.8 2.6
MEAN 52.4 50.8 1.6
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 12
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.17 1982
MINIMUM T 2018
TOTALS 1.31 0.64 0.67 1.60
DAILY AVG. 0.04 0.02 0.02
DAYS >= .01 9
DAYS >= .10 4
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.75 09/03 TO 09/04
STORM TOTAL 0.51
DEGREE DAYS
HEATING TOTAL 372 428 -56
SINCE 7/1 544 705 -161
COOLING TOTAL 0 0 0
SINCE 1/1 47 30 17
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 5.9
RESULTANT WIND SPEED/DIRECTION 1/310
HIGHEST WIND SPEED/DIRECTION 33/270 DATE 09/21
HIGHEST GUST SPEED/DIRECTION 46/160 DATE 09/30
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.27
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 5
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO OCTOBER 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 63 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 27 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 48
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 16 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.62 INCHES.
$$