982  
CDUS45 KRIW 140727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT WED APR 14 2021  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 13 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1939 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 2:57 PM 79 2017 56 -18 27  
MINIMUM 19 1:27 AM 7 2020 28 -9 7  
AVERAGE 29 42 -13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.80 1941 0.04 -0.04 0.00  
MONTH TO DATE 0.25 0.48 -0.23 0.59  
SINCE MAR 1 3.08 1.30 1.78 1.55  
SINCE JAN 1 3.97 2.38 1.59 2.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.9 0.4 -0.4 0.0  
MONTH TO DATE 2.0 5.6 -3.6 11.4  
SINCE MAR 1 52.9 16.5 36.4 26.5  
SINCE JUL 1 91.7 65.9 25.8 104.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 23 13 48  
MONTH TO DATE 272 319 -47 414  
SINCE MAR 1 1283 1244 39 1308  
SINCE JUL 1 6804 6692 112 6943  
 
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 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 2:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 78 2015  
MINIMUM TEMPERATURE (F) 28 0 1945  
 
SUNRISE AND SUNSET  
APRIL 14 2021.........SUNRISE 6:25 AM MDT SUNSET 7:48 PM MDT  
APRIL 15 2021.........SUNRISE 6:24 AM MDT SUNSET 7:49 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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