954  
CDUS41 KCTP 200621  
CLIIPT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE STATE COLLEGE PA  
220 AM EDT WED SEP 20 2017  
 
   
...............................
 
 
   
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 19 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 406 PM 89 1946 72 12 80  
MINIMUM 62 1159 PM 34 1943 52 10 65  
AVERAGE 73 62 11 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.38 1989 0.14 -0.14 0.11  
MONTH TO DATE 1.17 2.64 -1.47 1.98  
SINCE SEP 1 1.17 2.64 -1.47 1.98  
SINCE JAN 1 37.20 29.67 7.53 25.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 44 45 -1 2  
SINCE SEP 1 44 45 -1 2  
SINCE JUL 1 46 59 -13 2  
 
COOLING  
YESTERDAY 8 1 7 8  
MONTH TO DATE 56 53 3 136  
SINCE SEP 1 56 53 3 136  
SINCE JAN 1 798 687 111 1109    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 1.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 47 400 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1895  
MINIMUM TEMPERATURE (F) 52 34 1929  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2017.....SUNRISE 653 AM EDT SUNSET 708 PM EDT  
SEPTEMBER 21 2017.....SUNRISE 654 AM EDT SUNSET 706 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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