126  
CXUS55 KRIW 011927 CCA  
CLMGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
113 PM MDT MON APR 01 2024  
 
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF  
MARCH 2024...  
 
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2024 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 WETTER THAN NORMAL IN MARCH.
 
 
THE AVERAGE TEMPERATURE FOR GREYBULL IN MARCH WAS 38.3 DEGREES WHICH  
WAS 0.4 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS  
68 DEGREES ON THE 18TH AND 19TH. THE COLDEST TEMPERATURE WAS 8  
DEGREES ON THE 25TH. THIS BROKE THE 2013 RECORD OF 12. THE LOW ON  
THE 15TH OF 17 TIED THE 2019 RECORD. THE LOW ON THE 24TH WAS 17  
DEGREES AND TIED THE 2013 RECORD.  
 
PRECIPITATION FOR THE MONTH WAS 0.44 INCHES...WHICH IS 200 PERCENT  
OF NORMAL. IT WAS THE 4TH WETTEST MARCH SINCE RECORDS BEGAN IN 1998.  
THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 31ST WITH 0.27  
INCHES...AND BROKE THE 2011 RECORD OF 0.03 INCHES. THE HIGHEST WIND  
GUST WAS 44 MPH FROM THE WEST ON THE 2ND.  
   
..THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 81 03/31/2012  
LOW -24 03/04/2019  
HIGHEST 68 03/18  
03/19  
LOWEST 8 03/25  
AVG. MAXIMUM 52.3 51.2 1.1  
AVG. MINIMUM 24.4 24.6 -0.2  
MEAN 38.3 37.9 0.4  
DAYS MAX >= 90 0  
DAYS MAX <= 32 1  
DAYS MIN <= 32 29  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 0.53 2023  
MINIMUM 0.00 2009  
TOTALS 0.44 0.22 0.22 0.53  
DAILY AVG. 0.01 0.01 0.00  
DAYS >= .01 4  
DAYS >= .10 2  
DAYS >= .50 0  
DAYS >= 1.00 0  
GREATEST  
24 HR. TOTAL 0.27 03/31 TO 03/31  
STORM TOTAL 0.27  
 
DEGREE DAYS  
HEATING TOTAL 818 840 -22  
SINCE 7/1 6074 6662 -588  
COOLING TOTAL 0 0 0  
SINCE 1/1 0 0 0    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.6  
RESULTANT WIND SPEED/DIRECTION 4/320  
HIGHEST WIND SPEED/DIRECTION 33/330 DATE 03/24  
HIGHEST GUST SPEED/DIRECTION 44/280 DATE 03/02  
44/330 03/24  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.36  
NUMBER OF DAYS FAIR 16  
NUMBER OF DAYS PC 13  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 54  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 6 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 1 SNOW 1  
LIGHT SNOW 6 SLEET 0  
FOG 5 FOG W/VIS <= 1/4 MILE 1  
HAZE 3  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
LOOKING AHEAD TO APRIL 2024. THE AVERAGE HIGH TEMPERATURE ON THE  
FIRST OF THE MONTH IS 57 DEGREES...AND THE AVERAGE LOW TEMPERATURE  
IS 30 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 64  
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 37 DEGREES. THE AVERAGE  
MONTHLY PRECIPITATION IS 0.53 INCHES.  
 

 
 
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