SAN JUAN CITY, PUERTO RICO

Monthly Average Temperature (Degrees Fahrenheit)

(668808)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 197705
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
1955 75.71 75.23 74.55 77.00 79.23 80.28 80.18 81.97 81.45 80.32 79.33 76.56 78.48
1956 75.11 74.47 75.95 77.05 a 78.39 78.83 79.77 80.35 80.45 79.98 78.35 76.16 77.91
1957 75.42 75.68 77.05 76.97 78.92 80.15 80.13 80.52 81.08 80.40 78.67 77.06 78.50
1958 76.35 76.30 78.92 79.43 79.89 80.67 80.29 81.79 81.47 80.66 78.63 76.98 79.28
1959 75.90 75.66 77.52 78.23 77.45 80.42 80.69 80.84 81.73 80.58 79.23 78.42 78.89
1960 76.90 77.32 d 77.61 78.43 80.13 81.63 80.65 80.47 80.48 80.69 79.42 76.84 79.21
1961 76.34 75.93 76.60 78.42 79.85 79.60 79.60 80.42 80.83 80.15 77.35 76.50 78.47
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 75.94 76.30 76.29 77.85 78.23 80.12 80.40 81.97 81.37 82.52 79.47 79.06 79.13
1964 76.73 77.41 77.48 77.05 79.95 80.63 80.48 80.50 81.38 80.39 78.68 75.60 78.86
1965 74.47 75.09 76.71 76.82 77.58 79.28 79.98 79.84 80.72 80.16 79.35 77.19 78.10
1966 77.35 76.27 77.24 78.40 78.21 79.80 81.40 81.74 80.68 79.97 78.25 76.87 78.85
1967 75.84 75.70 75.52 76.17 78.19 79.83 78.50 78.82 a 79.88 f 80.35 a 79.25 76.23 77.67
1968 74.98 75.16 75.03 75.71 a 78.47 78.88 a 78.93 b 79.12 b 80.85 80.84 79.52 e 77.43 a 77.91
1969 75.94 75.57 77.97 79.77 81.48 a 82.86 a 81.08 81.08 81.13 81.90 79.50 a 77.94 79.69
1970 77.38 g 76.95 f 75.75 u 77.22 a 78.80 k 79.16 a 80.03 81.00 80.73 80.32 78.62 76.29 79.17
1971 75.60 75.21 76.55 78.02 b 79.24 81.02 81.06 80.74 82.12 80.21 78.72 76.23 78.73
1972 75.29 75.76 75.90 b 77.90 d 80.11 81.92 d 81.42 80.98 80.82 81.08 79.33 77.32 78.99
1973 77.42 76.48 b 78.05 a 78.67 81.18 a 81.31 a ----- z ----- z 82.17 i 82.00 j 79.43 i 76.75 o 78.85
1974 76.16 i 76.56 j 76.93 j 78.08 l 80.12 j 81.68 m 82.39 i 81.58 l 81.40 i 80.75 i 79.73 h 78.02 j 9999.00
1975 75.45 i ----- z 77.60 k 79.08 k 80.16 l 81.47 j 81.80 i 81.72 k 80.70 j 80.43 i 78.86 i 76.16 i 9999.00
1976 75.00 h 75.08 j 75.20 h 77.34 h 78.88 k 79.90 i 81.20 h 82.18 k 81.86 i 81.45 l 80.50 i 77.43 j 9999.00
1977 76.76 h 76.65 h 77.50 h 78.07 i 80.38 j ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 75.96 75.86 76.76 77.73 79.21 80.36 80.27 80.71 81.08 80.62 78.92 76.98 78.73
S.D. 0.82 0.77 1.15 1.07 1.18 1.09 0.79 0.90 0.47 0.68 0.59 0.88 0.51
SKEW 0.50 1.04 -0.05 0.00 0.42 0.42 -0.41 -0.38 0.00 1.56 -0.34 0.71 1.04
MAX 77.42 77.41 78.92 79.77 81.48 82.86 81.42 81.97 82.12 82.52 79.52 79.06 79.69
MIN 74.47 74.47 74.55 75.71 77.45 78.83 78.50 78.82 80.45 79.97 77.35 75.60 77.91
NO YRS 17 17 17 18 17 18 17 17 16 17 17 17 15