839  
CDUS41 KBUF 180621  
CLIROC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BUFFALO NY  
221 AM EDT THU MAY 18 2023  
   
...............................
 
 
   
..THE ROCHESTER NY CLIMATE SUMMARY FOR MAY 17 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 50 5:35 PM 90 1962 70 -20 62  
MINIMUM 36 11:59 PM 29 1956 49 -13 46  
AVERAGE 43 59 -16 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.79 1953 0.09 -0.09 T  
1991  
MONTH TO DATE 0.70 1.50 -0.80 0.91  
SINCE MAR 1 7.31 6.98 0.33 5.04  
SINCE JAN 1 13.43 11.66 1.77 10.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1973 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 22 7 15 11  
MONTH TO DATE 206 159 47 144  
SINCE MAR 1 1576 1632 -56 1543  
SINCE JUL 1 5711 6152 -441 5935  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 12 -10 21  
SINCE MAR 1 10 16 -6 23  
SINCE JAN 1 10 16 -6 23    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 11:00 PM  
LOWEST 30 6:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1889  
MINIMUM TEMPERATURE (F) 49 30 1981  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 5:44 AM EDT SUNSET 8:30 PM EDT  
MAY 19 2023...........SUNRISE 5:43 AM EDT SUNSET 8:31 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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