902  
CDUS45 KRIW 270737  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT SAT MAY 27 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR MAY 26 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 12:33 PM 86 2003 70 1 81  
2006  
MINIMUM 47 11:26 PM 26 1893 43 4 48  
1975  
AVERAGE 59 56 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 1.91 2008 0.08 0.10 0.00  
MONTH TO DATE 0.84 2.31 -1.47 2.81  
SINCE MAR 1 4.25 5.67 -1.42 6.04  
SINCE JAN 1 8.14 6.88 1.26 7.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.5 2008 0.1 -0.1 0.0  
MONTH TO DATE 0.0 4.3 -4.3 T  
SINCE MAR 1 30.8 35.1 -4.3 24.1  
SINCE JUL 1 107.0 87.3 19.7 57.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 9 -3 0  
MONTH TO DATE 216 345 -129 385  
SINCE MAR 1 2309 1896 413 2028  
SINCE JUL 1 8578 7547 1031 6850  
 
COOLING  
YESTERDAY 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 31 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 8:00 PM  
LOWEST 42 12:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 1969  
MINIMUM TEMPERATURE (F) 43 27 1893  
 
SUNRISE AND SUNSET  
MAY 27 2023...........SUNRISE 5:42 AM MDT SUNSET 8:43 PM MDT  
MAY 28 2023...........SUNRISE 5:42 AM MDT SUNSET 8:43 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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