SAN JUAN CITY, PUERTO RICO

Monthly Average Minimum 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 70.23 70.68 70.42 71.43 74.39 75.70 76.16 76.77 76.17 74.81 74.97 71.77 73.62
1956 69.90 70.41 71.29 72.87 73.87 74.27 76.26 75.84 75.63 74.84 73.13 71.84 73.35
1957 71.19 70.39 71.00 72.47 74.42 75.50 75.87 76.10 76.43 74.90 74.27 72.26 73.73
1958 70.87 71.00 72.42 74.63 75.35 76.10 76.45 77.00 76.43 75.19 74.00 71.94 74.28
1959 71.00 71.07 72.23 73.37 73.42 76.00 76.10 76.23 76.53 75.16 73.63 73.06 73.98
1960 71.39 71.56 d 72.45 73.30 74.81 75.90 76.32 75.90 75.07 75.00 74.17 72.06 73.99
1961 71.68 70.86 71.45 72.10 74.26 74.97 75.16 76.23 75.23 74.26 71.50 71.32 73.25
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 70.39 70.89 70.52 72.40 73.23 74.90 75.71 76.48 75.77 76.10 73.47 72.94 73.57
1964 71.00 71.10 72.13 72.30 74.26 75.40 75.90 75.87 75.80 74.65 73.03 70.32 73.48
1965 69.58 70.18 71.32 71.03 72.48 74.00 75.03 74.74 75.27 74.87 74.00 71.65 72.85
1966 71.00 71.29 72.32 72.77 74.00 75.70 76.84 77.00 75.37 74.32 72.40 72.03 73.75
1967 70.68 70.39 70.13 71.73 73.61 73.97 73.35 73.13 a 74.21 f 74.87 a 74.47 71.65 72.54
1968 70.74 69.31 70.48 71.03 a 74.06 74.41 a 73.86 b 73.74 75.67 76.10 74.52 e 72.60 a 73.04
1969 70.94 70.79 73.10 75.20 75.90 77.27 76.81 76.55 76.23 76.90 75.10 a 73.39 74.85
1970 72.71 g 71.95 f 70.00 u 72.48 a 72.85 k 74.69 a 75.39 75.06 74.13 74.48 72.67 71.03 73.74
1971 69.65 69.25 70.10 71.71 b 72.55 74.77 74.94 74.29 75.27 73.61 72.27 70.32 72.39
1972 69.97 69.59 70.24 b 72.27 d 74.42 76.03 76.23 75.39 75.20 74.97 73.63 71.32 73.27
1973 71.61 70.73 b 72.47 a 72.50 75.43 a 75.79 a ----- z ----- z 75.14 i 74.43 j 72.38 i 69.71 n 73.09
1974 69.68 i 70.05 i 69.43 j 70.76 i 72.71 j 74.83 l 75.73 i 74.16 l 74.10 i 74.00 i 72.68 h 71.00 j 9999.00
1975 68.59 i ----- z 70.10 k 72.14 i 73.05 l 74.60 j 75.45 i 75.20 k 74.30 j 73.77 i 71.86 i 70.14 i 9999.00
1976 68.43 h 68.42 j 68.65 h 70.45 h 72.60 k 74.29 i 75.65 h 75.10 j 74.52 i 74.37 l 73.10 i 69.95 j 9999.00
1977 69.04 f 68.81 g 70.30 h 70.52 i 73.19 j ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 70.69 70.56 71.42 72.53 74.15 75.30 75.67 75.67 75.64 75.00 73.60 71.85 73.56
S.D. 0.65 0.66 0.99 1.09 0.93 0.87 0.96 1.13 0.64 0.77 1.00 0.86 0.60
SKEW 0.76 -0.71 0.07 0.88 0.00 0.42 -1.00 -0.99 -1.34 1.19 -0.42 -0.32 -0.97
MAX 71.68 71.56 73.10 75.20 75.90 77.27 76.84 77.00 76.53 76.90 75.10 73.39 74.85
MIN 69.58 69.25 70.10 71.03 72.48 73.97 73.35 73.13 74.13 73.61 71.50 70.32 72.39
NO YRS 17 17 17 18 17 18 17 17 16 17 17 17 15