562   
CDUS45 KRIW 140730  
CLIRIW  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT WED MAY 14 2025  
   
...............................  
  
   
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 13 2025  
  
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2025  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 YESTERDAY                                                             
  MAXIMUM         73   1:50 PM  87    2013  66      7       77          
  MINIMUM         42  11:59 PM  26    2014  39      3       42          
  AVERAGE         58                        52      6       60       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.30R         0.13 1999   0.07   0.23     0.00       
  MONTH TO DATE    0.83                      0.82   0.01     0.96       
  SINCE MAR 1      3.71                      2.67   1.04     1.86       
  SINCE JAN 1      4.21                      3.36   0.85     3.31       
  
SNOWFALL (IN)                                                                
  YESTERDAY        0.0           0.2  2004                   0.0        
  MONTH TO DATE    0.9                                       0.7        
  SINCE MAR 1     18.2                                       4.3        
  SINCE JUL 1     30.7                                      36.5        
  SNOW DEPTH       0                                                   
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        7                        13     -6        5          
  MONTH TO DATE  140                       198    -58      223          
  SINCE MAR 1   1630                      1757   -127     1660          
  SINCE JUL 1   6977                      7635   -658     7244          
  
 COOLING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE    3                         0      3        0          
  SINCE MAR 1      3                         0      3        0          
  SINCE JAN 1      3                         0      3        0           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (260)         
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (280)         
  AVERAGE WIND SPEED    14.5                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.3                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  THUNDERSTORM                                                          
  HEAVY RAIN                                                            
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    96          10:00 PM                                        
 LOWEST     21           2:00 AM                                        
 AVERAGE    59                                                          
   
......................................................  
  
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 2025...........SUNRISE   5:51 AM MDT   SUNSET   8:30 PM MDT       
MAY 15 2025...........SUNRISE   5:50 AM MDT   SUNSET   8:31 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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