LOWER GRANITE DAM, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(454835)

File last updated on March 28, 2024
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1965-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z32.46e32.46k
196632.96f33.58d37.27e-----z44.59i-----z60.46g63.06 58.43 -----z40.72a39.19 45.38f
196737.77a35.18 36.00 38.03 45.90 54.23 60.81 62.29 57.60 45.35 34.80 29.61 44.80
196831.65 36.28 40.19 39.50 48.97 56.03a62.55 59.03 54.70 43.16 37.83 32.00b45.16
196919.61 32.93 36.00 42.70 48.87 58.27 58.26 57.71 55.20 42.90 37.47 33.35 43.61
197030.26 37.14 36.16 38.60 48.55 57.40 64.68 63.57h50.86i44.93d38.42d30.38j44.02c
197131.80k35.20h34.68i42.50h49.89l52.91h61.48 67.26 52.57 44.10a37.50f30.38j56.35h
1972-----z32.66 40.90a41.90 50.81 56.90 62.38b65.03a52.07 46.16 41.07 26.86c46.98a
197327.47a34.62b39.07b42.33 49.35 56.67 65.35 61.61 56.90 47.13 37.13 37.10 46.23
197428.68c37.33a38.35 45.00a48.71 56.20 61.70a62.74 56.43 47.48 40.70c36.19 46.63
197531.48 32.46 36.48 40.76a48.47a54.57 64.94 61.06 56.30 49.06 -----z-----z47.56b
Period of Record Statistics
MEAN29.56 34.69 37.83 41.10 48.70 56.28 62.46 62.20 55.58 45.59 38.52 33.35 45.28
S.D.5.48 1.91 1.89 2.34 1.36 1.36 2.27 2.88 2.17 2.07 2.19 4.05 1.20
SKEW-0.46 0.22 0.50 0.20 -0.76 -0.26 -0.34 0.16 -0.48 0.23 -0.26 -0.12 -0.25
MAX37.77 37.33 40.90 45.00 50.81 58.27 65.35 67.26 58.43 49.06 41.07 39.19 46.63
MIN19.61 32.46 36.00 38.03 45.90 54.23 58.26 57.71 52.07 42.90 34.80 26.86 43.61
YRS7 9 9 8 8 8 9 9 9 9 8 8 5