Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 012358
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
533 PM MDT MON MAY 01 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF
APRIL 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 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
...GREYBULL WAS MUCH DRIER AND COLDER THAN NORMAL IN APRIL...
THE AVERAGE TEMPERATURE FOR GREYBULL IN APRIL WAS 45.7 DEGREES WHICH
WAS 1 DEGREE BELOW NORMAL. THE WARMEST READING FOR THE MONTH WAS 77
DEGREES ON THE 30TH. THE COLDEST TEMPERATURE WAS 27 DEGREES ON THE
21ST AND 22ND. THE 28TH LOW OF 28 DEGREES TIED 2005.
PRECIPITATION FOR THE MONTH WAS 0.04 INCHES...WHICH IS JUST 8
PERCENT OF NORMAL AND THE 1ST DRIEST APRIL ON RECORD. THE WETTEST 24-
HOUR PERIOD OCCURRED ON THE 27TH WITH 0.03 INCHES. NO PRECIPITATION
RECORDS WERE BROKEN. THE HIGHEST WIND GUST WAS 64 MPH FROM THE
NORTHWEST ON THE 27TH.
...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 88 04/23/2012
04/29/2007
LOW 5 04/21/2008
HIGHEST 77 04/30
LOWEST 21 04/21
04/22
AVG. MAXIMUM 60.7 60.0 0.7
AVG. MINIMUM 30.6 33.4 -2.8
MEAN 45.7 46.7 -1.0
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 13
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.55 2022
MINIMUM 0.04 2023
TOTALS 0.04R 0.53 -0.49 1.55
DAILY AVG. 0.00 0.02 -0.02
DAYS >= .01 2
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.03 04/27 TO
STORM TOTAL 0.03
DEGREE DAYS
HEATING TOTAL 294 550 -256
SINCE 7/1 7588 7213 375
COOLING TOTAL 0 1 -1
SINCE 1/1 0 1 -1
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.3
RESULTANT WIND SPEED/DIRECTION 3/320
HIGHEST WIND SPEED/DIRECTION 48/340 DATE 04/27
HIGHEST GUST SPEED/DIRECTION 64/340 DATE 04/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 46
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 5 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 1 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO MAY 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 65 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 38 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 76
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 49 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.33 INCHES.
$$