758  
CDUS45 KRIW 130745  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
145 AM MDT FRI OCT 13 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 12 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 42 MM 79 1918 61 -19 63  
1950  
1996  
MINIMUM 37 MM 12 1969 34 3 37  
AVERAGE 40 47 -7  
 
PRECIPITATION (IN)  
YESTERDAY 0.73 0.97 1904 0.05 0.68 0.00  
MONTH TO DATE 1.76 0.61 1.15 0.27  
SINCE SEP 1 2.32 1.59 0.73 1.77  
SINCE JAN 1 15.54 11.03 4.51 11.49  
 
SNOWFALL (IN)  
YESTERDAY MM 7.3 2021 0.3 MM 0.0  
MONTH TO DATE 0.0 3.4 -3.4 0.0  
SINCE SEP 1 0.0 4.9 -4.9 0.0  
SINCE JUL 1 0.0 4.9 -4.9 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 18 7 15  
MONTH TO DATE 147 185 -38 146  
SINCE SEP 1 243 380 -137 253  
SINCE JUL 1 289 419 -130 254  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 32 -3 102  
SINCE JAN 1 361 484 -123 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 AM  
LOWEST 79 8:00 PM  
AVERAGE 88  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 79 1918  
MINIMUM TEMPERATURE (F) 33 10 1969  
 
SUNRISE AND SUNSET  
OCTOBER 13 2023.......SUNRISE 7:26 AM MDT SUNSET 6:36 PM MDT  
OCTOBER 14 2023.......SUNRISE 7:27 AM MDT SUNSET 6:34 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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