JOHN FLANNAGAN RESERVOI, VIRGINIA

Monthly Average Maximum 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 44.82 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.32 47.57
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 69.00 78.35 81.00 87.61 84.35 ----- z ----- z ----- z ----- z 80.06
1975 ----- z ----- z ----- z ----- z ----- z ----- z 87.10 ----- z 77.73 ----- z 60.27 ----- z 75.03
1976 39.00 54.55 63.74 ----- z 78.10 87.80 89.06 83.61 75.90 ----- z 47.07 41.06 65.99
1977 30.06 44.43 61.86 b ----- z ----- z ----- z ----- z ----- z ----- z 62.65 56.43 43.32 49.79
1978 33.20 a 35.36 55.10 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.22
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 70.93 b 63.55 j 48.55 k 70.93
2000 46.06 m 53.31 63.83 a 63.80 j 81.03 84.33 84.32 84.29 78.42 k 72.26 57.42 k 38.83 m 74.77
2001 42.95 j 57.11 j 57.65 k 75.16 k 84.84 92.52 a 95.16 90.55 80.11 b 70.94 68.39 l 57.74 l 85.68
2002 49.76 j 52.24 k 60.14 j 71.33 76.00 i 86.38 i 85.18 i 85.55 i 82.20 j 68.61 53.18 m 47.16 l 69.97
2003 39.00 j 43.58 i 64.35 k 69.33 i 71.95 j 78.43 i 81.27 i 83.62 j 77.30 j 67.23 i 65.00 o 47.86 j 9999.00
2004 43.45 k 46.26 j 59.41 i 66.05 h 78.27 e 78.33 81.61 79.39 77.30 69.32 61.59 h 47.96 e 73.17
2005 48.87 p 47.93 ----- z 69.56 e 70.21 l 81.30 j 84.14 i 86.36 i 82.20 o 69.94 m 62.80 j 43.57 j 58.74
2006 54.00 k 46.79 i 57.00 i 71.32 k 71.77 i 79.32 k 84.85 k 86.14 j 72.79 p 61.00 l 59.32 k 53.75 k 9999.00
2007 45.26 l 41.35 k 64.12 o 63.74 k 78.43 j 83.57 g 82.75 k 90.95 k 85.42 k 74.82 i 57.11 l 50.06 o 9999.00
2008 41.94 m 48.00 j 58.07 p 66.35 j 71.29 j 84.72 l 83.53 n 81.67 m 80.89 k 65.12 g 53.88 m 45.81 o 9999.00
2009 42.45 k 49.61 j 58.10 j 65.60 j 74.32 i 80.79 k 80.41 n 80.75 k 75.76 i 63.70 h 63.08 q 43.40 p 9999.00
2010 39.62 r 35.56 l 50.26 l 74.26 k 75.82 n 84.47 m 86.06 o 90.77 r 83.64 p 73.87 p 62.42 k 33.19 j 9999.00
2011 38.39 m 54.29 n 57.53 n 71.52 e 75.10 j 84.40 o 87.78 m 85.48 j 79.42 k 69.16 l 62.93 o 52.75 o 71.52
2012 53.89 l 53.82 l 71.94 m 67.89 k 79.56 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 34.09 46.73 61.13 70.35 80.12 84.80 87.48 84.44 77.76 69.12 54.59 45.67 0.00
S.D. 4.53 6.99 4.13 1.26 2.90 5.59 4.61 3.99 1.75 3.42 6.79 4.23 0.00
SKEW 0.35 -0.47 -1.00 -0.10 0.98 0.26 0.50 0.44 0.43 -1.25 -0.46 0.01 0.00
MAX 39.00 54.55 63.83 71.52 84.84 92.52 95.16 90.55 80.11 72.26 60.27 50.32 -9999.00
MIN 30.06 35.36 55.10 69.00 78.10 78.33 81.61 79.39 75.90 62.65 47.07 41.06 9999.00
NO YRS 3 6 4 4 5 5 6 5 4 6 3 4 0