CDUS45 KRIW 210727

CLIP60



CLIMATE REPORT 

NATIONAL WEATHER SERVICE RIVERTON WY

127 AM MDT SUN JUN 21 2026



...................................



...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 20 2026...



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1998 TO 2026





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

...................................................................

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         64   4:34 PM  79    2007  63      1       70        

  MINIMUM         42   4:56 AM  27    2002  34      8       43        

                                      2024                           

  AVERAGE         53                        48      5       57     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.16          0.38 2009   0.07   0.09     0.13     

  MONTH TO DATE    0.94                      1.78  -0.84     0.28     

  SINCE JUN 1      0.94                      1.78  -0.84     0.28     

  SINCE JAN 1      9.18                     11.81  -2.63     9.51     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       12                        17     -5        8        

  MONTH TO DATE  351                       390    -39      275        

  SINCE JUN 1    351                       390    -39      275        

  SINCE JUL 1  10101                     11863  -1762     9107        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE JUN 1      0                         0      0        0        

  SINCE JAN 1      0                         0      0        0        

...................................................................





WIND (MPH)                                                            

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (270)       

  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (280)       

  AVERAGE WIND SPEED     2.5                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.0                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    97           8:00 PM                                      

 LOWEST     39           3:00 PM                                      

 AVERAGE    68                                                        



..........................................................





THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   63        75      2007                      

                                             2008                     

                                             2021                     

 MINIMUM TEMPERATURE (F)   34        26      2019                      





SUNRISE AND SUNSET                                                    

JUNE 21 2026..........SUNRISE   5:37 AM MDT   SUNSET   9:10 PM MDT     

JUNE 22 2026..........SUNRISE   5:37 AM MDT   SUNSET   9:10 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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