320  
CDUS45 KRIW 130728  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SAT MAY 13 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 12 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 60 4:25 PM 87 2007 65 -5 50  
MINIMUM 40 4:39 AM 29 2004 38 2 36  
2014  
AVERAGE 50 52 -2 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 0.07 -0.07 0.20  
MONTH TO DATE 0.08 0.75 -0.67 1.79  
SINCE MAR 1 2.19 2.60 -0.41 3.91  
SINCE JAN 1 4.33 3.29 1.04 4.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.7 2010 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 15 13 2 22  
MONTH TO DATE 135 185 -50 199  
SINCE MAR 1 2341 1744 597 1888  
SINCE JUL 1 8962 7622 1340 6928  
 
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 25 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 14.7  
 
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 82 5:00 AM  
LOWEST 42 1:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2013  
MINIMUM TEMPERATURE (F) 39 26 2014  
 
SUNRISE AND SUNSET  
MAY 13 2023...........SUNRISE 5:53 AM MDT SUNSET 8:28 PM MDT  
MAY 14 2023...........SUNRISE 5:52 AM MDT SUNSET 8:29 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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