845  
CDUS41 KBUF 210617  
CLIROC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BUFFALO NY  
217 AM EDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE ROCHESTER NY CLIMATE SUMMARY FOR MAY 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 1:25 AM 92 1911 71 -5 81  
MINIMUM 51 9:15 PM 34 1907 50 1 53  
1956  
AVERAGE 59 60 -1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.64 1.31 1890 0.10 0.54 0.02  
MONTH TO DATE 1.39 1.79 -0.40 1.08  
SINCE MAR 1 8.00 7.27 0.73 5.21  
SINCE JAN 1 14.12 11.95 2.17 11.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1907 0.0 0.0 0.0  
MONTH TO DATE T 0.1 -0.1 0.0  
SINCE MAR 1 20.5 21.0 -0.5 12.3  
SINCE JUL 1 50.4 102.0 -51.6 87.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 6 0 0  
MONTH TO DATE 234 178 56 164  
SINCE MAR 1 1604 1651 -47 1563  
SINCE JUL 1 5739 6171 -432 5955  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 2 16 -14 23  
SINCE MAR 1 10 20 -10 25  
SINCE JAN 1 10 20 -10 25    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 PM  
LOWEST 59 12:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1977  
MINIMUM TEMPERATURE (F) 50 31 1895  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:42 AM EDT SUNSET 8:33 PM EDT  
MAY 22 2023...........SUNRISE 5:41 AM EDT SUNSET 8:34 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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