439  
CDUS45 KRIW 150729  
CLIWRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE WORLAND WY CLIMATE SUMMARY FOR SEPTEMBER 14 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1947 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 3:11 PM 91 1997 77 -3 72  
2015  
MINIMUM 51 6:08 AM 26 1993 43 8 56  
AVERAGE 63 60 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 1994 0.03 -0.03 T  
MONTH TO DATE 1.41 0.35 1.06 0.63  
SINCE SEP 1 1.41 0.35 1.06 0.63  
SINCE JAN 1 7.24 5.83 1.41 4.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 6 -4 1  
MONTH TO DATE 20 58 -38 38  
SINCE SEP 1 20 58 -38 38  
SINCE JUL 1 35 96 -61 43  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 23 25 -2 74  
SINCE SEP 1 23 25 -2 74  
SINCE JAN 1 440 522 -82 689    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE WORLAND WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 2000  
2018  
MINIMUM TEMPERATURE (F) 43 30 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 6:51 AM MDT SUNSET 7:22 PM MDT  
SEPTEMBER 16 2023.....SUNRISE 6:52 AM MDT SUNSET 7:21 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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