257  
CDUS45 KRIW 140727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN MAY 14 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 13 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58 2:09 PM 87 2013 66 -8 62  
MINIMUM 45 2:33 AM 26 2014 39 6 32  
AVERAGE 52 52 0 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.13 0.07 -0.07 0.00  
MONTH TO DATE 0.08 0.82 -0.74 1.79  
SINCE MAR 1 2.19 2.67 -0.48 3.91  
SINCE JAN 1 4.33 3.36 0.97 4.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 2004 0.0  
MONTH TO DATE 0.0 0.0  
SINCE MAR 1 22.5 17.4  
SINCE JUL 1 87.1 31.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 18  
MONTH TO DATE 148 198 -50 217  
SINCE MAR 1 2354 1757 597 1906  
SINCE JUL 1 8975 7635 1340 6946  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 11:00 PM  
LOWEST 51 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 2013  
MINIMUM TEMPERATURE (F) 39 28 2014  
 
SUNRISE AND SUNSET  
MAY 14 2023...........SUNRISE 5:52 AM MDT SUNSET 8:29 PM MDT  
MAY 15 2023...........SUNRISE 5:51 AM MDT SUNSET 8:30 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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