GRAND CANYON NATL PARK, ARIZONA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(023595)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197707
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
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.83 m 76.87 57.48 44.00 47.42 56.44
1958 42.42 47.96 43.00 57.20 73.97 83.52 g 86.26 83.68 73.03 64.39 50.43 52.74 61.37
1959 44.97 42.00 54.10 63.53 68.58 81.80 87.29 79.06 75.37 66.81 51.83 43.84 63.26
1960 37.03 41.00 55.45 63.93 72.10 83.53 88.06 85.42 77.37 59.97 51.07 42.45 63.12
1961 44.97 47.79 51.26 61.53 71.00 86.03 86.23 79.29 72.13 63.45 47.80 40.52 62.67
1962 41.81 44.14 46.00 67.34 a 68.23 80.03 85.23 85.84 78.30 65.71 56.83 47.32 63.90
1963 40.48 52.36 50.97 57.00 75.03 a 78.73 88.81 79.00 77.13 67.84 52.10 48.13 63.97
1964 41.35 43.79 46.39 57.67 69.32 78.90 86.87 81.74 76.23 72.00 47.90 42.03 62.02
1965 44.71 45.96 47.61 55.03 64.52 73.87 81.77 83.81 72.10 69.77 54.00 43.42 61.38
1966 39.29 39.82 55.39 64.00 74.00 81.43 84.52 84.42 76.40 64.42 54.20 41.97 63.32
1967 45.26 50.89 56.45 57.17 69.16 75.37 84.35 83.06 75.04 b 69.28 b 56.53 37.23 63.32
1968 42.58 47.31 51.39 54.30 ----- z 80.73 82.90 76.42 71.50 64.03 47.57 39.58 59.85
1969 42.26 38.75 44.45 59.73 70.35 75.07 80.81 81.84 72.93 55.97 46.47 44.29 59.41
1970 41.90 47.93 46.03 52.73 68.94 76.73 82.71 81.65 74.63 61.65 56.40 43.23 61.21
1971 46.68 45.89 52.90 59.17 66.35 81.67 87.58 79.90 76.19 c 57.20 a 48.10 36.65 61.52
1972 45.16 51.38 60.29 62.83 a 72.10 74.33 87.61 c 80.96 c 73.29 f 56.67 a 45.20 39.13 61.42
1973 38.90 42.18 42.58 54.90 a 70.33 a 78.43 84.43 c 82.50 i 76.55 a 66.37 a 51.83 a 47.65 59.47
1974 39.90 b 45.44 a 56.32 59.53 74.23 86.30 82.81 80.21 c 74.86 a 69.75 z 51.33 z 40.00 63.96
1975 43.71 43.68 46.26 50.83 65.10 79.24 e 84.84 f 83.21 b 73.72 e 64.38 j 56.64 h 48.64 i 60.72
1976 48.11 m 48.30 b 49.55 59.23 ----- z 79.69 a 81.68 81.94 71.69 a 61.42 54.43 46.68 63.46
1977 40.52 49.71 50.21 b 63.17 a 65.74 82.47 83.35 ----- z ----- z ----- z ----- z ----- z 62.17
Period of Record Statistics
MEAN 42.31 45.81 50.33 59.04 69.95 79.70 84.91 81.75 74.84 63.58 50.93 43.38 62.42
S.D. 2.58 3.87 4.99 4.30 3.23 3.60 2.43 2.48 2.12 4.78 3.99 4.16 1.35
SKEW -0.18 -0.11 0.17 -0.02 -0.07 0.10 -0.04 -0.20 -0.20 -0.09 -0.07 0.34 -0.88
MAX 46.68 52.36 60.29 67.34 75.03 86.30 88.81 85.84 78.30 72.00 56.83 52.74 63.97
MIN 37.03 38.75 42.58 50.83 64.52 73.87 80.81 76.42 71.50 55.97 44.00 36.65 59.41
NO YRS 19 20 20 20 18 19 19 18 19 18 18 19 12