588  
CDUS41 KBUF 120633  
CLIROC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BUFFALO NY  
233 AM EDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE ROCHESTER NY CLIMATE SUMMARY FOR MAY 11 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 77 5:02 PM 89 1911 68 9 80  
1953  
1979  
MINIMUM 46 5:39 AM 29 1966 47 -1 46  
AVERAGE 62 57 5 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 2003 0.09 -0.09 0.00  
MONTH TO DATE 0.70 0.98 -0.28 0.76  
SINCE MAR 1 7.31 6.46 0.85 4.89  
SINCE JAN 1 13.43 11.14 2.29 10.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 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 3 9 -6 2  
MONTH TO DATE 151 113 38 127  
SINCE MAR 1 1521 1586 -65 1526  
SINCE JUL 1 5656 6106 -450 5918  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 6 -6 0  
SINCE MAR 1 8 10 -2 2  
SINCE JAN 1 8 10 -2 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 5:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1879  
MINIMUM TEMPERATURE (F) 47 30 1907  
2020  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:51 AM EDT SUNSET 8:24 PM EDT  
MAY 13 2023...........SUNRISE 5:50 AM EDT SUNSET 8:25 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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