VASHON ISLAND, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(458802)

File last updated on March 29, 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
1891-----z-----z-----z-----z-----z-----z-----z56.93b47.03 44.52 -----z-----z49.49i
1892-----z-----z39.90 38.87 43.93b46.53 49.52 50.63a50.93a43.71 37.17f-----z45.50d
1893-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1894-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1895-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1896-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1897-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
189834.45 38.82 35.16 39.67 43.77 49.25b51.42 54.77 50.55a43.10 39.00 34.30a42.86
189940.82t32.75 34.94 38.90 42.81 46.83 51.61 50.45 -----z44.03 44.87 37.74 42.49b
190036.84 35.32 40.32 40.63 45.77 50.47 52.35 51.39 48.37 43.19 37.13 40.03 43.49
190134.61 34.79 37.65 37.60 44.26 46.64b48.72f51.63a47.20 48.73e41.40j37.03 42.01b
190234.58e38.96 37.55 39.57 46.71 48.87 51.53a51.32 48.10 46.87 40.90 36.04c43.42
190337.65 32.96 34.42 39.10 45.13 51.80 51.97 53.71 49.41a46.90 40.20 38.03 43.44
190437.37a34.59 36.06 42.33 44.19 47.83 53.13 51.65 48.96f47.13 43.50 38.81 43.33a
190535.97a35.96 42.39 41.73 45.42 50.52a54.10 53.00 52.20 42.61 39.93 37.71 44.30
190638.39 38.21 36.13 41.77 45.23 49.47 55.52 52.94 51.80 47.16 40.75b38.23 44.63
190729.84 37.15a35.84 38.87 46.45 49.53 52.60a51.45 49.07a46.63a42.47 37.94 43.15
190836.94 35.31 36.68 39.00a42.58 47.93 53.00 51.23 46.43 44.35 43.27 36.00 42.73
190930.40a36.54 36.94 38.33 42.74 46.67 49.16 48.90 47.90 43.39 40.30 32.26 41.13
191032.93a32.78a39.32 38.63 42.42 44.80 48.48 47.35 46.03 45.81 39.83 38.13 41.38
191132.97 31.86 36.39 36.13 43.74 46.43 50.71 49.52 48.20 43.94 38.57 36.71 41.26
191236.58 37.41 34.37a39.60 45.94 48.77 51.81 52.29 48.80 42.03 40.63 36.57a42.90
191332.32 33.25 35.19 38.87 44.13 49.27 51.10 52.42 48.10 43.58 39.93a36.58 42.06
1914-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1915-----z-----z-----z-----z-----z-----z-----z-----z50.55a42.60a35.90a34.45 40.87h
191625.61 35.10 37.55 38.40 40.87 46.03 50.30a51.29 47.27 39.13a31.55a30.79g40.28a
191731.87 34.31b33.19 38.70 42.67a46.03 50.13a52.10 48.20e44.77 42.07 39.30a41.95
191838.37a34.07 35.81 37.70 41.63a47.57 49.97 50.65 50.10 44.42 39.33 34.69b42.02
191934.81 35.63a36.77 39.20 41.10b44.48a47.50a47.68 47.10 38.72b38.96f28.60f41.30b
192033.61c32.93 35.13 36.37 39.32 46.11c51.00b50.27a48.18b43.80a38.93b37.72b41.11
192134.82c36.11 37.47a36.89b44.50c49.33c49.68 51.23 45.73 45.42e39.13 33.90b42.02
192230.41b33.67a34.83a38.93b44.07b48.57 52.13 52.84 50.10a44.73a34.90 31.93d41.43
192334.93b30.39 34.93b40.87 45.48 49.10 52.90 52.97 50.83 45.71 39.89b36.23a42.85
192435.37a39.19c35.61 38.97 44.00 46.79a49.87a50.68 47.27 44.80a37.57 31.39 41.79
192536.42 38.44a37.45b41.03 50.11l-----z-----z-----z-----z-----z39.86w-----z38.34h
192636.71 40.07 40.39 43.30 46.35 49.50 51.03 52.13a46.67 46.71 42.24a35.58 44.22
192734.32c35.14 35.90 38.23 42.68 50.33 51.29 52.39 50.20 45.00 39.87 32.06 42.29
192836.45 36.03 40.48 40.20 45.29 49.03 52.77 49.32 47.63 44.77 39.80 34.58 43.03
192928.87 28.00 36.68 36.60 42.52 47.87 48.35 -----z-----z-----z-----z-----z38.41e
1930-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
193144.50y36.50 38.03a41.18b45.29 47.66a51.62j50.32 49.78c43.40f35.65j35.13 42.99d
193232.45 33.60d38.05l41.48e43.00c48.19c50.27a51.86j47.12n45.13h39.94l33.27t41.50f
193333.29c29.62b36.00b37.52c41.33m47.89k47.67g53.04c47.12n43.79l42.71p37.22v37.89g
193438.00d38.56s40.54c43.75f45.48 47.45a50.33d51.69e47.81i44.35e41.50d36.04e43.93c
193533.79c34.67a34.52d37.39b42.41b48.50f49.85d49.87 48.62f40.24b34.23d36.00c39.30b
193635.70a28.04d33.97b40.39b45.76f49.97a49.43a50.84f46.60e46.78v37.86h37.03a40.14d
193723.61 31.57e36.10 37.54b42.44d50.07c49.90a49.97 49.00c45.17b40.53 36.65e41.05
193834.37a33.39 35.41b39.90a42.53a47.20 50.23a48.32 49.84e42.77a35.71b36.13 41.32
193937.00b31.73b35.71 37.40o-----z-----z50.60f50.68 47.41a44.71 41.14a39.29c40.96d
194035.52 37.89b39.35 42.14a44.81 47.93o51.26 52.03 51.46b47.73a35.47 37.80a43.22a
194136.84 37.25 39.90a41.55a45.00a49.00a53.61 52.97a49.23 46.33a41.37 36.58 44.14
194233.52 34.30a35.94 41.80 45.23a48.00 54.07a52.96e48.81c44.83a36.45a38.06 42.83
194328.17b36.52a35.57c41.30c43.00a46.72a50.43a50.97b50.83 42.15r39.93 34.97 41.67a
194432.94 34.81b33.64c40.57 42.90j48.10a53.92f56.47a50.24a48.10 39.15c33.50c41.75b
194537.21l36.75 36.03 38.77 46.43a46.90 50.17a50.77 47.64b44.21g38.16k35.90a43.26c
194635.47a36.58b36.77 39.66a45.68 47.96c51.76b51.21c48.66a41.87 35.93b34.03b42.13
194732.16 38.27b39.10a42.39b46.84 49.14h-----z51.21g52.28e50.83g42.55h41.53a41.80e
1948-----z-----z-----z-----z-----z51.57 50.94 53.52 47.56c43.65 37.62a32.26 45.30e
194926.58 31.96 38.29 42.38a45.35 46.50 49.29 51.59b49.90a41.26 43.64b34.53a41.77
195022.26 34.93 36.68 38.37 40.84 49.77 50.83a52.16 48.73 45.03a39.87 41.45 41.74
195133.29 35.68 33.59b39.73 43.42 49.04c51.79b50.52 49.17a45.23a39.50 32.97 41.99
195233.00 36.24 36.68 39.50 44.03 46.90 51.13 52.23 50.73 47.30a37.40 37.23 42.70
195340.94 36.07 37.50i39.93 44.23 47.87 51.48 53.13 50.40 46.77 41.97 38.16f45.28b
195431.75g37.25 33.83a38.60 44.42 47.10 48.52 51.81 51.30 43.13a44.27 37.30a43.41a
195536.06 33.93a-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z35.00j
Period of Record Statistics
MEAN33.79 34.97 36.67 39.56 44.00 48.13 51.05 51.59 48.97 44.52 39.51 36.21 42.47
S.D.3.78 2.69 2.10 1.72 1.70 1.62 1.63 1.83 1.68 2.18 2.79 2.37 1.01
SKEW-1.14 -0.56 0.67 0.12 -0.47 0.08 0.35 0.36 0.09 -0.51 -0.51 -0.03 0.46
MAX40.94 40.07 42.39 43.30 46.84 51.80 55.52 56.93 52.28 48.73 44.87 41.53 44.63
MIN22.26 28.00 33.19 36.13 39.32 44.48 47.50 47.35 45.73 38.72 31.55 31.39 41.05
YRS50 53 52 52 49 49 48 51 49 48 45 48 32