GRAND CANYON NATL PARK, ARIZONA

Monthly Extreme 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 88.00 m 87.00 78.00 62.00 56.00 88.00
1958 51.00 60.00 58.00 73.00 86.00 91.00 g 96.00 92.00 87.00 75.00 65.00 62.00 96.00
1959 56.00 53.00 62.00 78.00 84.00 89.00 96.00 87.00 89.00 78.00 60.00 59.00 96.00
1960 49.00 51.00 66.00 75.00 82.00 92.00 94.00 95.00 85.00 77.00 65.00 55.00 95.00
1961 54.00 60.00 65.00 75.00 81.00 95.00 94.00 89.00 79.00 76.00 58.00 54.00 95.00
1962 54.00 57.00 67.00 79.00 a 81.00 92.00 90.00 94.00 89.00 76.00 69.00 59.00 94.00
1963 55.00 67.00 67.00 70.00 84.00 a 89.00 95.00 92.00 88.00 81.00 65.00 60.00 95.00
1964 58.00 55.00 65.00 74.00 86.00 89.00 92.00 90.00 85.00 82.00 68.00 58.00 92.00
1965 57.00 60.00 65.00 77.00 79.00 85.00 92.00 90.00 82.00 80.00 70.00 63.00 92.00
1966 52.00 51.00 71.00 74.00 82.00 88.00 93.00 91.00 82.00 71.00 69.00 57.00 93.00
1967 58.00 61.00 70.00 67.00 84.00 87.00 95.00 95.00 82.00 b 74.00 b 70.00 55.00 95.00
1968 57.00 58.00 65.00 67.00 ----- z 94.00 92.00 84.00 85.00 72.00 59.00 55.00 94.00
1969 62.00 52.00 66.00 73.00 82.00 86.00 89.00 90.00 82.00 75.00 59.00 59.00 90.00
1970 58.00 58.00 59.00 64.00 80.00 93.00 92.00 90.00 85.00 73.00 78.00 67.00 93.00
1971 64.00 62.00 71.00 72.00 77.00 95.00 93.00 86.00 86.00 c 76.00 a 67.00 52.00 95.00
1972 57.00 66.00 72.00 76.00 a 84.00 91.00 94.00 c 93.00 c 88.00 f 80.00 a 60.00 54.00 94.00
1973 56.00 53.00 55.00 72.00 a 88.00 a 92.00 94.00 c 91.00 i 86.00 a 83.00 a 70.00 a 59.00 94.00
1974 61.00 b 57.00 a 75.00 75.00 92.00 105.00 92.00 88.00 c 87.00 a 78.00 z 55.00 z 55.00 105.00
1975 61.00 57.00 68.00 67.00 78.00 87.00 e 90.00 f 90.00 b 82.00 e 73.00 j 70.00 h 56.00 i 90.00
1976 59.00 m 59.00 b 67.00 70.00 ----- z 93.00 a 91.00 87.00 83.00 a 73.00 67.00 58.00 93.00
1977 56.00 65.00 62.00 b 73.00 a 86.00 90.00 91.00 ----- z ----- z ----- z ----- z ----- z 91.00
Period of Record Statistics
MEAN 56.63 58.10 65.80 72.55 83.11 91.16 92.89 90.17 84.79 76.67 65.61 57.74 93.75
S.D. 3.77 4.75 4.92 4.01 3.71 4.49 1.94 3.05 2.78 3.50 5.24 3.63 1.76
SKEW -0.04 0.20 -0.35 -0.47 0.49 1.41 -0.11 -0.15 -0.24 0.21 0.35 0.78 -0.78
MAX 64.00 67.00 75.00 79.00 92.00 105.00 96.00 95.00 89.00 83.00 78.00 67.00 96.00
MIN 49.00 51.00 55.00 64.00 77.00 85.00 89.00 84.00 79.00 71.00 58.00 52.00 90.00
NO YRS 19 20 20 20 18 19 19 18 19 18 18 19 12