SAN JUAN WSFO, PUERTO RICO

Monthly Average Temperature (Degrees Fahrenheit)

(668812)

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
1956 73.87 74.28 75.69 77.07 78.56 79.03 80.26 80.60 80.28 79.37 77.75 75.60 77.70
1957 74.76 74.79 75.53 76.32 77.95 80.17 80.90 81.16 80.87 80.02 78.60 76.69 78.15
1958 75.66 75.82 77.65 79.22 80.21 81.32 80.45 81.53 81.37 80.00 77.98 76.08 78.94
1959 75.06 75.46 a 76.66 77.93 77.85 80.63 81.00 81.23 81.55 80.65 78.38 77.71 78.68
1960 75.85 76.24 77.35 78.35 79.97 81.15 81.08 81.03 80.28 80.63 79.36 a 76.52 78.99
1961 75.98 75.52 76.53 78.43 79.71 79.87 80.48 81.58 81.22 79.79 77.43 77.15 78.64
1962 75.15 74.21 75.65 77.23 78.53 80.50 81.61 81.26 80.92 80.44 78.88 77.24 78.47
1963 75.63 76.18 76.31 77.58 78.18 80.82 81.27 81.71 81.33 81.53 78.68 78.85 79.01
1964 76.56 77.48 78.76 78.52 80.94 81.57 ----- z 82.13 82.15 80.63 78.98 75.73 79.40
1965 74.71 75.88 77.74 77.67 78.90 80.30 81.63 81.48 82.15 81.52 79.78 77.40 79.10
1966 77.39 76.68 78.05 78.45 79.47 80.98 82.05 82.55 81.03 79.98 77.52 77.06 79.27
1967 76.68 76.29 75.92 78.03 79.63 81.75 82.13 82.16 81.77 81.39 80.38 77.47 79.47
1968 76.39 76.48 76.15 76.93 79.90 80.40 81.13 81.95 81.78 81.63 79.43 77.47 79.14
1969 75.39 75.00 77.76 79.60 80.73 82.00 80.85 81.05 81.15 80.89 78.63 77.05 79.17
1970 76.45 76.16 77.90 80.03 80.55 81.60 82.42 82.26 82.22 81.81 80.13 78.19 79.98
1971 77.52 77.38 78.92 79.65 81.26 82.95 82.87 83.16 83.88 81.89 80.57 78.77 80.73
1972 77.68 77.76 78.73 80.05 81.65 83.72 83.85 83.35 82.88 82.60 81.07 79.18 81.04
1973 78.89 78.29 78.61 80.02 82.90 83.20 83.42 83.18 82.70 83.47 80.67 77.89 81.10
1974 77.29 77.93 78.44 79.55 81.34 83.35 83.73 83.19 82.90 82.42 79.95 78.23 80.69
1975 76.90 77.16 78.32 79.60 80.95 82.87 83.03 82.69 82.12 81.56 79.73 77.44 80.20
1976 76.31 76.55 76.82 78.53 80.47 81.67 83.03 83.53 83.25 82.45 80.90 78.24 80.15
1977 77.03 77.52 78.27 80.13 80.87 81.88 80.61 80.90 81.07 81.85 80.30 79.29 79.98
1978 78.29 79.20 79.76 80.10 80.79 82.27 83.03 83.18 83.87 82.65 81.82 79.52 81.20
1979 78.44 78.73 77.74 79.35 81.29 83.77 83.50 82.92 81.80 83.02 80.62 78.71 80.82
1980 78.16 78.60 79.15 80.75 83.77 85.08 85.13 85.05 84.45 84.40 82.15 80.71 82.28
1981 79.81 79.32 80.87 80.30 83.40 84.22 84.94 83.74 84.30 83.29 81.60 78.66 82.04
1982 78.47 77.79 78.00 80.38 80.98 82.87 83.26 84.60 84.52 83.74 80.17 77.90 81.06
1983 78.52 79.91 82.23 81.73 83.21 85.42 84.24 83.92 84.25 83.53 81.42 79.84 82.35
1984 78.03 77.72 80.13 81.75 81.03 82.40 82.56 82.58 82.18 81.29 78.70 77.31 80.47
1985 76.10 77.27 76.71 78.22 80.35 82.98 83.44 83.39 81.67 79.52 79.02 76.71 79.61
1986 75.47 75.95 77.40 79.02 79.08 81.52 82.05 82.18 82.53 81.39 79.07 77.63 79.44
1987 76.63 77.38 77.92 81.12 81.58 81.67 82.71 83.69 83.75 83.27 80.63 79.69 80.84
1988 76.85 76.52 77.81 80.40 82.35 84.22 83.60 82.77 82.17 81.55 79.77 76.84 80.40
1989 76.18 75.98 76.13 78.77 80.29 81.15 81.79 82.29 82.27 81.73 80.02 79.15 79.64
1990 77.10 76.38 76.48 79.08 81.71 82.37 82.53 82.89 83.38 82.10 80.63 77.40 80.17
1991 76.95 77.75 78.53 79.15 81.03 83.17 83.13 83.94 83.30 82.35 79.92 76.94 80.51
1992 77.13 78.21 78.82 80.77 81.24 83.35 82.35 82.69 82.30 83.95 80.75 79.34 80.91
1993 77.29 78.41 79.27 80.32 82.02 83.25 82.81 84.19 83.00 82.68 80.85 78.94 81.09
1994 77.81 77.91 79.32 79.65 82.77 82.77 82.92 83.79 83.27 82.81 81.13 79.71 81.15
1995 78.02 78.66 77.23 80.58 81.47 83.30 84.23 84.48 84.87 82.29 80.92 79.97 81.33
1996 78.19 77.90 79.03 79.05 80.21 81.07 81.53 81.79 81.75 81.60 78.82 76.71 79.80
1997 76.18 76.02 76.63 80.23 81.48 83.38 83.05 83.06 83.20 82.34 80.92 80.08 80.55
1998 78.69 78.71 78.15 79.63 81.61 83.08 82.63 83.68 82.72 82.18 80.12 78.55 80.81
1999 76.84 75.36 77.66 79.50 82.37 82.05 81.45 82.71 83.03 81.44 79.77 76.85 a 79.92
2000 75.68 76.69 76.53 79.40 80.56 82.02 82.85 82.76 82.00 81.81 79.43 78.44 79.85
2001 77.24 76.89 79.18 80.20 82.71 82.78 82.87 83.15 82.92 82.05 79.32 78.31 80.63
2002 78.11 77.55 79.06 79.23 81.02 83.03 82.90 83.02 83.00 81.89 80.78 78.63 a 80.69
2003 77.85 77.89 79.79 79.53 81.40 82.08 82.21 82.26 83.37 81.85 79.77 78.03 80.50
2004 76.19 76.71 77.63 78.85 79.48 82.82 82.53 83.92 83.22 82.13 79.48 78.37 80.11
2005 76.10 75.27 79.68 81.48 81.89 83.77 83.79 83.56 83.88 81.84 80.33 76.61 80.68
2006 75.44 76.54 78.63 79.18 82.18 83.03 82.21 82.53 83.77 83.15 81.13 78.71 80.54
2007 77.15 78.95 79.90 80.08 83.27 83.97 83.63 83.23 82.90 82.13 79.75 77.66 81.05
2008 76.21 76.57 77.79 78.88 81.69 82.80 83.40 84.11 82.55 81.55 79.93 77.97 80.29
2009 78.39 77.61 77.55 79.62 80.61 83.33 84.76 84.42 84.20 84.44 81.27 80.24 81.37
2010 77.97 80.04 80.66 80.73 82.06 82.68 83.03 84.19 83.23 82.39 79.70 77.03 81.14
2011 77.18 77.73 77.71 79.38 79.71 82.13 82.18 82.69 82.52 81.98 80.42 78.32 80.16
2012 77.26 77.76 78.55 80.55 a 80.11 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 78.53
Period of Record Statistics
MEAN 76.90 77.10 78.06 79.40 80.91 82.35 82.56 82.80 82.59 81.91 79.91 78.05 80.22
S.D. 1.21 1.34 1.40 1.18 1.39 1.30 1.16 1.06 1.11 1.16 1.08 1.18 1.00
SKEW -0.07 -0.05 0.42 -0.39 -0.33 -0.23 -0.33 -0.32 0.19 0.00 -0.31 0.12 -0.38
MAX 79.81 80.04 82.23 81.75 83.77 85.42 85.13 85.05 84.87 84.44 82.15 80.71 82.35
MIN 73.87 74.21 75.53 76.32 77.85 79.03 80.26 80.60 80.28 79.37 77.43 75.60 77.70
NO YRS 57 57 57 57 56 56 55 56 56 56 56 56 55