SEATTLE NAS, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(457468)

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
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z39.27 39.21b39.24j
193026.10 37.93 38.27a-----z45.00 50.27 -----z55.29 52.07 44.48 40.20 36.58 42.62b
193139.87 36.79 39.87 43.07 47.68 -----z-----z-----z53.77 -----z-----z-----z43.51f
193235.03 -----z41.96d43.31a46.74 52.57 53.52 55.77e50.47 48.59b43.88e34.52 46.03a
1933-----z-----z-----z-----z-----z-----z-----z55.71 -----z46.52 41.93b-----z48.05i
193440.58 -----z-----z46.33c-----z-----z-----z-----z-----z-----z-----z-----z43.46j
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z47.69e-----z38.54g47.69k
1937-----z-----z39.00f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1938-----z-----z37.52d43.48c-----z51.30c-----z-----z-----z-----z36.57g36.59b42.22h
193938.50a-----z-----z-----z45.81 -----z-----z-----z-----z-----z-----z-----z42.15j
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z38.57 -----z38.57k
194330.57a-----z-----z-----z46.18c-----z-----z-----z-----z-----z-----z-----z38.37j
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1945-----z-----z38.35 41.70 49.74 51.33 54.87 55.13 51.03 47.61 41.33 37.68 46.88b
194638.35 38.89 39.42 43.03 49.06 52.43 56.32 55.58 52.50 44.26 36.97a36.58 45.28
194733.52 39.19a39.81 43.57 49.29 52.63 54.97 55.00 51.73 48.19 40.37 39.90 45.68
194835.06 34.97 37.16 40.40 46.87 54.23 55.03 55.81 49.73 44.26 39.60 33.45 43.88
194926.67a33.29 38.84 42.80 48.19 50.07 53.19 55.32 53.13 43.58 45.30 36.63a43.92
195022.48 35.68 38.77 39.90 44.16 53.03 55.19 56.16 51.57 46.74 40.45a43.32 43.96
195135.13a36.86 35.58 40.33 47.10 53.10 56.29 55.06 53.33 47.39 41.60 35.16 44.74
195235.10 37.45 38.94 41.77 47.87 50.67 55.45 56.77 53.57 49.39 39.03 40.19 45.52
195342.84 38.57 39.77 43.03 47.65 51.47 55.97 57.39 53.50 49.23 44.43 40.74 47.05
195434.45 38.86 34.84 40.67 47.32 50.80 53.74 55.87 54.27 46.71 46.67 39.16 45.28
195537.74 35.93 35.42 39.67 45.19 51.63 54.74 53.87 52.30 47.68 36.63 36.16 43.91
195636.45 33.52 37.16 41.87 49.65 52.00 57.16 56.52 52.90 47.26 39.93 38.10 45.21
195729.58 35.18 40.19 44.33 51.94 54.50 55.58 56.19 55.40 46.81 40.43 40.90 45.92
195840.90 43.75 39.26 43.50 52.23 57.40 60.26 58.19 54.23 48.23 39.93 42.26 48.34
195937.71 38.46 39.90 43.40 46.61 53.97 57.13 55.26 52.00 47.48 39.13 37.03 45.67
196036.55 37.28 38.39 42.90 46.71 51.17 55.58 55.61 51.50 48.68 40.80 36.74 45.16
196139.55 42.14 41.13 43.10 48.19 54.50 57.71 58.65 51.43 45.45 38.27 38.00 46.51
196235.81 37.50 36.90 44.33 47.26 51.57 55.13 56.61 53.53 48.97 43.67 40.19 45.96
196331.55 41.86 39.19 43.37 48.16 52.90 56.03 57.65 55.93 50.19 42.33 38.55 46.48
196438.68 36.00 39.06 40.80 45.29 52.23 56.10 55.32 51.70 47.29 39.30 33.55 44.61
196536.87 37.79 36.65 42.77 45.00 51.40 56.10 57.68 50.57 49.06 44.83 36.61 45.44
196637.71 37.25 39.06 42.67 45.42 52.13 55.39 56.03 55.33 46.84 42.13 42.23 46.02
196739.58 38.29 37.42 39.87 48.45 55.70 57.32 59.16 55.40 49.19 41.83 38.29 46.71
196836.32 39.17 42.03 41.03 47.77 51.97 56.10 55.48 52.33 46.35 42.33 33.65 45.38
196929.87 36.00 37.97 42.83 49.10 57.07 55.45 55.26 53.50 45.42 41.60 40.35 45.37
197036.23 39.11 39.90 42.73 45.52 -----z-----z-----z-----z-----z-----z-----z40.70g
Period of Record Statistics
MEAN35.33 37.69 38.62 42.42 47.46 52.64 55.78 56.16 52.81 47.23 41.09 38.01 45.50
S.D.4.67 2.40 1.76 1.54 1.93 1.87 1.43 1.22 1.60 1.70 2.40 2.66 1.07
SKEW-0.98 0.50 -0.20 -0.02 0.60 1.05 0.91 0.83 0.18 -0.46 0.38 0.06 0.50
MAX42.84 43.75 42.03 46.33 52.23 57.40 60.26 59.16 55.93 50.19 46.67 43.32 48.34
MIN22.48 33.29 34.84 39.67 44.16 50.07 53.19 53.87 49.73 43.58 36.63 33.45 43.88
YRS31 27 30 30 31 28 26 28 28 29 30 29 24