Station Summary

Station: ROCHESTER GREATER ROCHESTER IN State: NY ID: 307167
Latitude: 43.12 degrees Longitude: -77.68 degrees Elevation: 600 feet
Station period of record: 01/02/1926 - 08/01/2002

Temperature (degrees Fahrenheit)
 
      Average Number of Days
  Monthly Normals Daily Extremes Max Max Min Min
Month  Max   Min   Avg   Highest   Year   Lowest   Year   >=90   <=32   <=32   <=0 
Jan 31.2 16.6 23.9 74 1950 -17 1994 0 16 28 3
Feb 33.2 17.3 25.3 73 1997 -22 1934 0 14 25 2
Mar 42.7 25.2 33.9 84 1945 -7 1999 0 6 23 0
Apr 55.2 35.3 45.3 93 1990 13 1982 0 1 11 0
May 67.9 46.1 57.0 94 1987 26 1979 0 0 1 0
Jun 76.6 55.0 65.8 100 1953 35 1949 1 0 0 0
Jul 81.4 60.0 70.7 102 1936 42 1963 4 0 0 0
Aug 79.1 58.7 68.9 99 1948 36 1965 2 0 0 0
Sep 71.1 51.3 61.2 99 1953 28 1947 0 0 0 0
Oct 59.7 41.1 50.4 91 1951 20 1972 0 0 4 0
Nov 47.2 32.6 39.9 81 1950 5 1971 0 2 15 0
Dec 36.1 22.7 29.4 72 1982 -16 1942 0 10 26 1
 
Spring 55.3 35.5 45.4 94 -7 0 7 35 0
Summer 79.0 57.9 68.5 102 35 7 0 0 0
Fall 59.3 41.7 50.5 99 5 0 2 19 0
Winter 33.5 18.9 26.2 74 -22 0 40 79 6
Annual 56.8 38.5 47.6 102 -22 7 49 133 6

Precipitation (inches)
 
  Average Number of Days
   Normal  Monthly Extremes Daily Extreme  0.01" and   0.10" and   1.00" and 
Month  Precip   Greatest   Year   Least   Year   Greatest   Year   Above   Above   Above 
Jan 2.34 5.79 1978 0.72 1988 1.77 2002 19 7 0
Feb 2.04 5.07 1950 0.66 1987 2.15 1942 16 6 0
Mar 2.58 6.55 1936 0.47 1958 2.21 1942 15 7 0
Apr 2.75 5.41 1929 1.18 1995 1.91 1943 14 7 0
May 2.82 6.62 1974 0.36 1977 3.45 1974 12 7 0
Jun 3.36 7.11 1998 0.22 1963 2.56 1950 12 7 1
Jul 2.93 9.70 1947 0.43 1933 3.25 1987 10 6 0
Aug 3.54 6.00 1984 0.00 2002 3.31 1938 11 7 1
Sep 3.45 6.30 1977 0.28 1960 3.47 1979 12 8 1
Oct 2.60 7.85 1955 0.14 1938 2.94 1980 13 6 0
Nov 2.84 7.12 1927 0.44 1976 2.07 1945 16 7 0
Dec 2.73 5.05 1944 0.62 1958 1.49 1978 18 8 0
 
Spring 8.15 3.45 41 21 0
Summer 9.83 3.31 33 20 2
Fall 8.89 3.47 41 21 1
Winter 7.11 2.15 53 21 0
Annual 33.98 3.47 168 83 3

Snowfall (inches)
 
  Snowfall Extremes Average Number of Days
Month  Average 
 Snowfall 
 Greatest 
 Monthly 
 Year   Greatest 
 Daily 
 Year   0.1" and 
 Above 
 3.0" and  
 Above 
 6.0" and  
 Above 
Jan 25.7 60.4 1978 23.0 1996 18 2 1
Feb 22.2 64.8 1958 18.4 1960 15 2 0
Mar 16.5 45.0 1999 22.3 1999 10 2 1
Apr 5.1 20.2 1979 10.4 1990 4 0 0
May 0.5 10.9 1989 10.7 1989 0 0 0
Jun 0.0 0.0 2001 0.0 2001 0 0 0
Jul 0.0 0.0 2001 0.0 2001 0 0 0
Aug 0.0 0.0 2001 0.0 2001 0 0 0
Sep 0.0 0.0 2001 0.0 2001 0 0 0
Oct 0.1 2.6 1993 2.6 1993 0 0 0
Nov 8.1 24.9 1996 11.9 1995 6 1 0
Dec 22.0 47.9 1981 18.0 1978 15 2 0
 
Spring 22.1 22.3 14 2 1
Summer 0.0 0.0 0 0 0
Fall 8.2 11.9 6 1 0
Winter 69.9 23.0 48 6 1
Annual 100.2 23.0 68 9 2

Notes:
"Extremes" are for the available period of record.
"Normals" are for the period 1971-2000 (computed by NCDC).
"Averages" are for the period 1971-2000 (computed by UCAN).