SAN JUAN WSFO, PUERTO RICO

Monthly Average Minimum 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 66.55 67.72 68.52 70.20 71.55 72.10 73.77 73.32 72.73 72.48 70.40 69.13 70.71
1957 68.35 67.04 66.58 68.80 70.68 72.60 73.97 74.65 73.73 72.35 72.63 70.39 70.98
1958 68.39 68.82 68.55 72.30 74.03 74.77 74.35 74.71 74.17 72.65 71.13 68.68 71.88
1959 68.42 68.79 68.06 70.93 71.32 73.57 73.87 73.87 73.73 72.84 70.43 69.97 71.32
1960 67.19 67.41 68.55 70.53 71.65 73.27 74.00 74.39 72.83 73.13 71.97 a 70.03 71.25
1961 68.68 67.57 68.61 70.23 71.77 72.73 74.23 75.03 73.50 72.29 70.70 70.58 71.33
1962 68.68 67.14 67.58 70.53 71.94 74.63 75.26 74.32 73.97 73.00 71.63 69.97 71.55
1963 69.19 68.79 69.10 70.93 71.87 73.93 75.00 74.97 74.73 74.55 71.77 70.97 72.15
1964 68.94 69.41 72.23 72.40 73.55 74.87 ----- z 76.39 75.47 74.03 72.30 69.71 72.66
1965 68.71 69.54 70.65 71.10 73.74 74.70 76.16 76.00 75.93 74.90 73.43 71.10 73.00
1966 70.13 70.86 72.26 72.03 74.77 75.40 76.48 76.97 75.60 74.90 72.50 72.74 73.72
1967 71.42 70.25 70.29 72.63 74.87 75.40 77.52 76.42 75.83 75.13 74.73 71.97 73.87
1968 70.55 68.83 70.52 71.20 73.61 74.33 74.97 75.74 75.43 75.42 73.30 72.13 73.00
1969 69.26 69.04 72.29 73.80 74.61 75.60 75.32 75.52 75.80 74.90 73.07 72.16 73.45
1970 70.90 70.57 71.68 74.43 75.35 76.80 78.13 77.26 76.63 76.16 74.77 73.52 74.68
1971 72.16 72.36 72.90 74.00 74.84 76.60 76.65 77.42 77.53 75.94 74.83 73.77 74.92
1972 73.06 72.03 73.13 74.23 75.00 77.57 78.42 77.90 77.03 76.90 75.83 74.10 75.43
1973 73.58 72.61 73.10 73.73 76.42 77.63 78.00 77.42 77.17 77.10 75.30 72.58 75.39
1974 72.45 72.36 72.68 73.40 74.77 77.50 78.13 77.94 77.37 76.26 74.73 73.35 75.08
1975 72.29 71.21 72.16 73.80 74.42 76.67 77.94 77.68 77.30 76.52 74.57 73.35 74.83
1976 70.94 71.07 71.23 72.33 74.65 76.03 77.68 78.03 77.70 77.13 75.37 72.06 74.52
1977 70.52 70.79 72.13 73.40 74.48 76.03 74.71 75.35 75.37 76.13 74.97 73.77 73.97
1978 71.35 71.96 73.19 73.70 74.32 75.50 77.06 77.23 77.33 76.42 75.90 73.45 74.79
1979 72.81 72.54 72.00 73.93 75.52 78.10 77.74 77.26 75.87 75.90 74.90 73.52 75.01
1980 72.29 72.07 72.90 74.03 76.77 78.47 78.77 78.26 78.03 78.00 75.90 74.84 75.86
1981 73.42 73.86 74.77 75.37 77.03 78.40 78.97 77.61 77.23 75.77 74.80 73.39 75.89
1982 72.29 71.89 71.16 73.50 74.65 76.57 77.32 77.90 77.77 76.45 74.07 72.35 74.66
1983 71.74 72.04 74.90 74.47 77.42 78.40 78.55 77.87 78.17 77.35 75.13 74.10 75.84
1984 71.19 70.66 72.00 72.73 73.87 75.00 75.94 75.87 75.47 74.42 73.47 72.03 73.55
1985 68.81 71.14 70.58 71.57 74.06 76.07 76.81 76.61 75.17 73.35 73.23 70.35 73.15
1986 68.03 68.50 69.94 72.23 72.26 74.97 75.55 75.55 76.13 74.39 73.27 70.97 72.65
1987 69.16 69.93 71.35 74.17 75.29 75.70 76.84 77.32 76.27 75.87 74.93 74.10 74.24
1988 70.74 69.66 71.48 73.53 75.39 76.77 77.00 76.84 75.80 74.97 73.33 70.87 73.86
1989 69.77 70.11 69.71 71.83 72.94 75.27 75.87 75.77 75.57 74.90 73.53 71.23 73.04
1990 70.77 70.14 70.32 72.23 75.16 76.13 76.00 76.61 76.30 75.06 73.87 71.45 73.67
1991 70.48 70.50 71.81 72.77 74.94 76.53 77.32 77.74 77.00 75.94 74.00 71.16 74.18
1992 70.94 71.79 72.29 74.60 75.48 77.23 76.45 76.32 76.03 77.19 74.43 73.13 74.66
1993 71.10 71.57 72.13 73.43 76.26 77.13 76.84 78.03 76.40 76.10 74.30 72.32 74.63
1994 71.35 70.75 71.90 73.13 76.23 76.53 76.94 77.58 77.37 76.19 74.63 72.77 74.62
1995 71.00 71.18 70.32 73.50 75.03 76.80 77.84 78.19 78.43 75.77 74.43 73.48 74.67
1996 72.16 71.28 72.10 72.80 74.45 75.63 76.45 76.32 76.23 75.71 73.90 71.81 74.07
1997 70.81 70.89 70.52 73.07 74.61 77.23 77.03 77.26 77.27 76.71 75.20 73.13 74.48
1998 72.61 72.50 72.00 74.03 75.77 77.20 76.74 77.74 76.87 76.55 74.57 73.58 75.01
1999 71.32 68.89 71.06 72.97 75.84 76.33 75.87 76.84 76.87 75.81 74.47 72.42 74.06
2000 70.26 70.38 70.16 72.77 74.42 76.50 77.06 76.90 76.23 75.68 73.97 72.23 73.88
2001 70.68 71.14 72.58 73.50 76.42 76.60 76.58 77.45 76.40 75.84 73.97 72.97 74.51
2002 72.39 71.50 73.06 73.67 74.97 76.87 77.00 76.87 76.47 75.71 74.57 72.47 a 74.63
2003 71.32 71.68 73.13 73.60 75.23 76.47 76.90 76.61 77.47 75.74 74.50 72.84 74.62
2004 70.48 70.41 71.94 73.13 74.35 77.03 76.84 77.94 77.10 76.52 74.40 73.16 74.44
2005 71.42 69.89 72.26 74.77 76.29 77.90 78.00 77.32 77.70 75.65 74.57 70.94 74.72
2006 69.97 70.57 72.90 73.67 75.97 76.53 76.39 77.29 77.63 76.97 75.10 73.19 74.68
2007 71.19 72.11 73.26 73.70 76.68 77.57 77.77 77.52 77.07 76.13 74.20 72.94 75.01
2008 71.42 71.31 72.06 72.97 75.84 77.50 78.10 78.81 76.83 76.39 74.67 72.71 74.88
2009 72.87 71.96 72.39 73.53 75.94 77.43 79.48 78.90 78.87 78.97 75.77 74.90 75.92
2010 72.29 73.57 74.45 75.23 76.87 77.53 77.87 79.06 78.07 76.81 74.77 72.10 75.72
2011 71.29 72.07 71.77 73.60 74.68 76.53 76.55 77.26 77.00 75.94 75.13 73.45 74.61
2012 71.87 72.21 72.81 74.86 a 75.22 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 72.94
Period of Record Statistics
MEAN 70.74 70.65 71.47 72.97 74.66 76.13 76.67 76.79 76.32 75.53 73.97 72.26 74.02
S.D. 1.59 1.60 1.75 1.37 1.57 1.49 1.39 1.30 1.39 1.45 1.36 1.43 1.33
SKEW -0.48 -0.46 -0.69 -0.90 -0.70 -0.80 -0.36 -0.83 -0.71 -0.53 -1.19 -0.39 -0.84
MAX 73.58 73.86 74.90 75.37 77.42 78.47 79.48 79.06 78.87 78.97 75.90 74.90 75.92
MIN 66.55 67.04 66.58 68.80 70.68 72.10 73.77 73.32 72.73 72.29 70.40 68.68 70.71
NO YRS 57 57 57 57 56 56 55 56 56 56 56 56 55