SAN JUAN CITY, PUERTO RICO

Monthly Average Maximum 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 81.19 79.79 78.68 82.57 84.06 84.87 84.19 87.16 86.73 85.84 83.70 81.35 83.34
1956 80.32 78.52 80.61 81.24 a 82.90 83.40 83.29 84.87 85.27 85.13 83.57 80.48 82.47
1957 79.65 80.96 83.10 81.47 83.42 84.80 84.39 84.94 85.73 85.90 83.07 81.87 83.27
1958 81.84 81.61 85.42 84.23 84.42 85.23 84.13 86.58 86.50 86.13 83.27 82.03 84.28
1959 80.81 80.25 82.81 83.10 81.48 84.83 85.29 85.45 86.93 86.00 84.83 83.77 83.80
1960 82.42 83.08 d 82.77 83.57 85.45 87.37 84.97 85.03 85.90 86.39 84.67 81.61 84.44
1961 81.00 81.00 81.74 84.73 85.45 84.23 84.03 84.61 86.43 86.03 83.20 81.68 83.68
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 81.48 81.71 82.06 83.30 83.23 85.33 85.10 87.45 86.97 88.94 85.47 85.19 84.69
1964 82.45 83.72 82.84 81.80 85.65 85.87 85.06 85.13 86.97 86.13 84.33 80.87 84.23
1965 79.35 80.00 82.10 82.60 82.68 84.57 84.94 84.94 86.17 85.45 84.70 82.74 83.35
1966 83.71 81.25 82.16 84.03 82.42 83.90 85.97 86.48 86.00 85.61 84.10 81.71 83.95
1967 81.00 81.00 80.90 80.60 82.77 85.70 83.65 84.50 a 85.70 85.81 84.03 80.81 83.04
1968 79.23 81.00 79.58 80.40 82.87 83.33 83.90 a 84.41 b 86.03 85.58 84.13 82.23 82.72
1969 80.94 80.36 82.84 84.33 87.10 a 88.45 a 85.35 85.61 86.03 86.90 83.90 a 82.48 84.52
1970 82.04 g 81.95 f 81.50 u 81.97 a 84.75 k 83.62 a 84.68 86.94 87.33 86.16 84.57 81.55 84.60
1971 81.55 81.18 83.00 84.32 b 85.94 87.27 87.19 87.19 88.97 86.81 85.17 82.13 85.06
1972 80.61 81.93 81.55 b 83.54 d 85.81 87.73 d 86.61 86.58 86.43 87.19 85.03 83.32 84.70
1973 83.23 82.23 b 83.63 a 84.83 86.93 a 86.83 a ----- z ----- z 89.23 h 89.57 j 86.48 i 83.59 n 84.61
1974 82.64 i 82.95 i 84.43 j 85.43 i 87.52 j 88.33 l 89.05 i 89.00 l 88.71 i 87.50 i 86.77 h 85.05 j 9999.00
1975 82.32 i ----- z 85.10 k 86.29 i 87.26 l 88.35 j 88.14 i 88.25 k 87.10 j 87.09 i 85.86 i 82.18 i 9999.00
1976 81.57 h 81.74 j 81.74 h 84.23 h 85.15 k 85.64 h 86.74 h 89.10 k 89.19 i 88.53 l 87.90 i 84.90 j 9999.00
1977 84.35 h 84.62 g 84.70 h 85.62 i 87.57 j ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 81.22 81.15 82.11 82.92 84.27 85.41 84.87 85.76 86.48 86.24 84.22 82.11 83.85
S.D. 1.25 1.23 1.57 1.41 1.71 1.56 1.03 1.06 0.84 0.88 0.72 1.16 0.76
SKEW 0.28 0.00 -0.25 -0.39 0.11 0.51 0.50 0.34 1.38 1.63 0.37 1.21 -0.31
MAX 83.71 83.72 85.42 84.83 87.10 88.45 87.19 87.45 88.97 88.94 85.47 85.19 85.06
MIN 79.23 78.52 78.68 80.40 81.48 83.33 83.29 84.41 85.27 85.13 83.07 80.48 82.47
NO YRS 17 17 17 18 17 18 17 17 17 17 17 17 16