CDUS45 KRIW 090729

CLIP60



CLIMATE REPORT 

NATIONAL WEATHER SERVICE RIVERTON WY

129 AM MDT FRI MAY 09 2025



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



...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 8 2025...



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1998 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         MM        MM  64    2016  48     MM       37        

  MINIMUM         MM        MM   6    2010  24     MM       24        

  AVERAGE         MM                        36     MM       31       



PRECIPITATION (IN)                                                    

  YESTERDAY       MM             0.41 2006   0.06  MM        0.16     

  MONTH TO DATE    0.00                      0.50  -0.50     0.82     

  SINCE MAR 1      3.08                      4.68  -1.60     6.15     

  SINCE JAN 1      6.78                      8.18  -1.40    10.62     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       MM                        29     MM       34        

  MONTH TO DATE  104                       242   -138      283        

  SINCE MAR 1   1299                      2688  -1389     2435        

  SINCE JUL 1   8219                     10892  -2673     9909        



 COOLING                                                              

  YESTERDAY       MM                         0     MM        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    MM   HIGHEST WIND DIRECTION    MM            

  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            

  AVERAGE WIND SPEED    MM                                           





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER  MM                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    MM                                                        

 LOWEST     MM                                                        

 AVERAGE    MM                                                        



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





THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   48        64      2007                      

 MINIMUM TEMPERATURE (F)   24         9      2002                      





SUNRISE AND SUNSET                                                    

MAY  9 2025...........SUNRISE   6:01 AM MDT   SUNSET   8:36 PM MDT     

MAY 10 2025...........SUNRISE   5:59 AM MDT   SUNSET   8:37 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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