629  
CDUS45 KRIW 200027  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
627 PM MDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 19 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 4:44 PM 89 2009 68 2 66  
MINIMUM 37 4:06 AM 31 2003 41 -4 37  
2019  
AVERAGE 54 54 0 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.91 2011 0.07 -0.07 0.00  
MONTH TO DATE 0.16 1.22 -1.06 1.79  
SINCE MAR 1 2.27 3.07 -0.80 3.91  
SINCE JAN 1 4.41 3.76 0.65 4.56  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 11 11 0 13  
MONTH TO DATE 197 269 -72 262  
SINCE MAR 1 2403 1828 575 1951  
SINCE JUL 1 9024 7706 1318 6991  
 
COOLING  
TODAY 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 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 25  
AVERAGE 59  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2006  
MINIMUM TEMPERATURE (F) 41 26 2003  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 5:47 AM MDT SUNSET 8:35 PM MDT  
MAY 20 2023...........SUNRISE 5:46 AM MDT SUNSET 8:36 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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