LOWER GRANITE DAM, s

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(454835)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197510
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
1965 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 21.00 e 21.00
1966 18.00 f 22.00 d 24.00 e ----- z 30.00 i ----- z 52.00 g 51.00 49.00 ----- z 31.00 a 31.00 18.00
1967 29.00 a 27.00 28.00 32.00 33.00 45.00 50.00 51.00 47.00 35.00 18.00 14.00 14.00
1968 14.00 20.00 29.00 25.00 34.00 45.00 51.00 45.00 44.00 33.00 27.00 -20.00 -20.00
1969 -2.00 21.00 24.00 32.00 35.00 49.00 48.00 46.00 43.00 32.00 28.00 25.00 -2.00
1970 15.00 29.00 28.00 30.00 40.00 48.00 56.00 57.00 h 40.00 i 33.00 d 17.00 d 17.00 j 15.00
1971 18.00 k 22.00 h 24.00 i 35.00 h 41.00 k 45.00 h 45.00 56.00 40.00 24.00 a 28.00 f 20.00 j 18.00
1972 ----- z 11.00 30.00 a 32.00 35.00 51.00 52.00 b 54.00 40.00 35.00 31.00 4.00 c 4.00
1973 7.00 a 24.00 b 31.00 b 32.00 40.00 47.00 53.00 52.00 49.00 37.00 31.00 26.00 7.00
1974 3.00 c 32.00 29.00 38.00 39.00 49.00 53.00 56.00 43.00 40.00 34.00 b 28.00 3.00
1975 16.00 24.00 28.00 31.00 37.00 a 50.00 55.00 52.00 47.00 37.00 ----- z ----- z 16.00
Period of Record Statistics
MEAN 11.71 23.33 27.89 31.50 36.62 48.00 51.44 51.44 44.67 34.00 27.12 16.12 0.40
S.D. 10.16 6.04 2.42 3.55 2.77 2.20 3.43 3.88 3.50 4.50 6.31 16.98 12.82
SKEW 0.33 -0.63 -0.70 -0.01 0.11 -0.26 -0.54 -0.51 -0.08 -1.07 -0.79 -1.32 -0.75
MAX 29.00 32.00 31.00 38.00 40.00 51.00 56.00 56.00 49.00 40.00 34.00 31.00 14.00
MIN -2.00 11.00 24.00 25.00 33.00 45.00 45.00 45.00 40.00 24.00 17.00 -20.00 -20.00
NO YRS 7 9 9 8 8 8 9 9 9 9 8 8 5