JOHN FLANNAGAN RESERVOI, VIRGINIA

Monthly Average Temperature (Degrees Fahrenheit)

(444410)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201205
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1969 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1970 ----- z 32.32 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 38.66 35.49
1971 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1972 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1974 ----- z ----- z ----- z 52.83 63.55 67.35 74.02 72.82 ----- z ----- z ----- z ----- z 66.11
1975 ----- z ----- z ----- z ----- z ----- z ----- z 74.27 ----- z 65.92 ----- z 46.72 ----- z 62.30
1976 28.02 40.31 47.95 ----- z 60.76 72.53 74.05 70.97 63.37 ----- z 35.70 28.50 52.22
1977 19.15 29.71 45.86 b ----- z ----- z ----- z ----- z ----- z ----- z 51.42 45.15 32.45 37.29
1978 22.82 a 23.25 41.40 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 29.16
1979 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1980 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1987 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1988 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1989 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1990 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1992 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1993 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 56.34 b 48.83 j 37.50 k 56.34
2000 32.28 m 40.38 h 49.02 h 51.83 j 64.94 f 71.74 g 73.09 h 73.50 h 66.79 k 57.31 d 44.13 k 29.58 m 57.31
2001 30.90 j 44.47 j 42.40 k 58.18 k 68.47 76.66 b 80.04 c 78.09 h 65.55 j 55.54 g 50.94 l 44.66 l 75.05
2002 36.48 j 37.65 k 43.93 j 55.67 60.41 i 73.12 j 74.73 i 73.25 i 68.53 j 57.68 43.44 m 37.26 l 56.67
2003 29.64 j 34.16 i 48.78 k 54.93 i 61.64 j 66.76 i 71.80 i 73.40 j 66.05 j 53.66 i 49.90 o 36.98 j 9999.00
2004 31.17 k 35.29 j 45.18 i 52.23 h 66.50 e 68.82 71.84 69.32 66.93 58.32 49.74 i 37.17 e 62.70
2005 38.17 p 37.71 ----- z 54.46 e 57.24 l 69.78 j 74.77 i 75.27 i 68.90 o 57.28 m 47.80 j 32.36 j 46.09
2006 41.58 k 34.39 i 43.48 i 55.89 k 58.48 i 67.66 k 73.53 k 74.81 j 62.68 p 49.82 l 47.21 k 40.35 k 9999.00
2007 33.63 l 29.44 k 49.03 o 50.82 k 63.26 j 70.59 g 71.10 k 77.70 k 70.00 k 60.73 i 44.28 l 38.69 o 9999.00
2008 31.00 m 36.37 j 43.37 p 52.62 j 58.12 j 70.42 l 70.50 n 69.83 m 68.03 k 52.52 g 40.82 m 36.06 o 9999.00
2009 30.83 k 35.61 j 44.31 j 52.28 j 62.66 i 69.47 k 68.59 n 71.07 k 65.93 i 53.24 h 49.04 q 33.87 p 9999.00
2010 30.19 r 28.12 l 40.32 l 56.92 k 63.79 n 73.32 m 75.34 o 78.58 r 69.21 p 58.07 p 48.13 k 25.05 j 9999.00
2011 29.29 n 39.54 o 45.94 n 57.44 e 62.43 j 72.33 o 77.72 m 73.76 j 67.63 k 56.39 l 49.00 o 41.81 o 57.44
2012 38.37 l 40.76 l 56.31 m 53.94 l 67.83 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 23.33 32.66 45.07 55.10 64.82 71.34 74.84 71.04 65.41 56.22 42.52 34.20 0.00
S.D. 4.46 6.73 3.34 1.94 3.38 4.16 3.07 1.75 1.84 2.78 5.96 4.63 0.00
SKEW 0.21 -0.26 -0.41 0.07 -0.16 0.39 1.08 0.04 -0.48 -1.27 -0.65 -0.29 0.00
MAX 28.02 40.31 47.95 57.44 68.47 76.66 80.04 72.82 66.93 58.32 46.72 38.66 -9999.00
MIN 19.15 23.25 41.40 52.83 60.76 67.35 71.84 69.32 63.37 51.42 35.70 28.50 9999.00
NO YRS 3 5 3 4 4 4 5 3 3 5 3 4 0