DUTCH HARBOR, AK

Average of Minimum Temperature (Degrees Fahrenheit)

(502587)

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
1915-----z-----z-----z-----z38.94 43.48a46.50a43.13 43.63 37.71 30.77 27.42 38.95d
191630.29 24.86 22.45 27.93 31.35 36.63 41.23 43.19 41.66a37.57a30.40 26.81 32.86
1917-----z-----z-----z28.73 35.45 41.13 46.90 45.23 42.37 36.52 25.43 29.48 36.81c
191826.48 27.70a27.87 31.10 37.06 40.77 46.29 45.52 41.27 36.13 28.20 26.20a34.55
191918.52 24.96a31.58 28.20 34.39 40.33 45.00 45.81 42.76a37.61 31.43 29.90a34.21
192025.61 29.10 31.26 29.00 35.06 40.97 44.16 43.81 40.00 35.65 32.37 22.58 34.13
192126.18c23.36 33.16 30.00 35.97 40.67 44.68 49.74 43.90 34.94 34.20 28.29 35.42
192229.00 28.07 29.65 32.03 33.80a40.10 47.16 44.52 44.93 37.39 29.67 34.55 35.91
192327.48 27.29 31.58 30.83 34.23a40.53 44.61 47.90 43.03 36.35 31.50 25.23 35.05
192427.26 21.86 30.52 29.40 36.16 42.97 45.16 -----z-----z33.87 -----z30.87 33.12c
192525.90 25.07 29.00 30.00 33.65 36.27 43.68 -----z-----z41.00 31.53 26.58 32.27b
192629.26 26.14 30.61 33.03 34.97 42.27 47.90 48.77 43.00 27.35 34.53 30.42 35.69
192733.26 23.79 21.94 29.60 32.77 39.50 43.97 44.25c40.13 32.77 33.80 30.90 33.89
192826.84 29.38 24.80a28.50 32.74 40.53 43.83a43.71 38.80 34.94 28.83 27.52 33.37
192934.97 32.21 26.42 33.33 36.80a42.25b47.00c48.13a45.36b35.52b33.14b29.45 37.05
193033.58 20.46 26.16 30.27 34.52 39.50 44.61 47.48 42.17 38.45 30.83 27.68 34.64
193128.06 21.96 28.06 -----z35.13 40.23 44.10 49.16 43.43 36.55 32.83 27.87 35.22a
193227.26 25.48 29.68 28.77 34.58 38.50 42.42 45.16 41.93 40.10 31.70 30.19 34.65
193326.37a29.18 27.16 31.37 35.03 40.80 43.55 44.77 42.93 37.00 31.20 30.42 34.98
193420.39 27.50 30.35 31.33 35.26 40.17 46.42 46.81 45.28a36.32 33.50 31.29 35.38
193530.61 26.33a32.97 32.07 37.65 42.07 46.45 48.58 45.57 40.48 38.00 30.48 37.60
193625.23 33.62 30.23 33.47 36.16 42.57 47.39 49.42 46.87 40.16 30.60 30.31b37.17
193736.16 28.63a31.35 31.17 35.68 40.87 44.97 50.29 44.07 38.48 32.73 28.29 36.89
193825.94 27.50 25.84 33.14a35.87 39.67 44.17a48.10 42.21a35.71 32.53 29.81 35.04
193925.53a31.29 26.73a29.63 34.16 39.10a45.55 44.74 44.97 36.03 29.03a22.97 34.15
194029.45 29.86a26.74 35.52a36.39 41.80 45.23 45.94 43.10 37.87a33.50 28.68 36.17
194129.03 30.46 29.03 32.23 36.23 44.03 46.55 50.90 48.63 40.55 35.10 29.72m38.43a
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
194427.61 32.79a27.77a33.60 37.52 43.07 46.68 50.97 -----z-----z-----z-----z37.50d
1945-----z-----z27.59b33.97 -----z-----z-----z-----z-----z-----z-----z-----z30.78j
1946-----z-----z-----z-----z-----z-----z44.87 46.29 43.17a40.52 33.87 29.00a39.62f
194725.45 28.21 26.45 33.83 36.29 40.80 46.61 48.61 41.87 34.85k-----z-----z36.46c
1948-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1949-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1950-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z31.22d31.22k
195127.58 32.29 29.74 33.43 37.90 42.93 46.23 48.65 44.00 38.68 33.23 32.67a37.28
195232.42 27.14 28.00 28.40 35.97 41.87 45.77 48.29 44.50 38.81 32.03 24.71 35.66
195326.55 26.04 26.94 32.97 37.00 43.03 48.77 51.94 45.40 36.65 33.43 29.52 36.52
195426.47a22.11 30.13 32.00 37.32 41.57 45.74h-----z-----z-----z-----z-----z31.60f
1955-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1956-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1957-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1958-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1959-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1960-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1961-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1962-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1963-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1964-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1965-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1966-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1967-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1968-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1969-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1970-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1971-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1972-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1973-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1974-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1975-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1976-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1977-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1978-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1979-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1980-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1981-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1982-----z-----z-----z31.92e36.14c42.07c45.93d47.67j42.38d36.95i35.04c32.00f38.91f
198325.74h25.88l26.34b30.96b36.92e43.65d46.71c49.96g45.79b38.03a-----z30.67a37.39d
198426.43a17.77c27.13a23.20o33.31e43.23 47.50a51.76b46.70c38.64c32.44c36.72b36.51a
198533.40a27.29 21.42e29.59a37.40a40.62a44.70a42.46c43.60j34.26h28.11k29.75k34.61d
198618.59i20.67d23.46e30.00b35.74d40.21a44.56f44.58g43.13 36.07c36.32e34.28f33.20d
198727.52j29.33d30.18i28.04f34.42e39.73d43.33a44.27a38.79a35.80f28.79b27.90a35.82d
198826.54c29.46c-----z29.78c-----z39.13 -----z45.66b41.31a32.77 28.78c25.83a33.25c
198921.68f29.71d28.46e29.65j33.90b38.32e46.12g46.44d43.42d38.12f-----z27.96d35.46e
199030.06 27.37a-----z-----z38.07a41.52c-----z47.75c42.57 37.11c33.48a34.76f37.24d
199129.61 20.71 30.87a30.70 35.90 41.24a44.87a44.06 38.89b33.44d21.30 26.90b33.21
199226.85d25.07 25.83a29.83 35.16 40.20 42.74 43.30d39.23 32.13 26.00 28.65 32.92
199324.28b26.32 27.90a30.90 37.23 41.10 45.06 46.50c41.27 38.26 29.53 28.39 34.73
199427.87 28.96a21.10 28.34a33.32 40.38a44.20a46.27a38.36b33.34b30.32e26.53a33.25
199521.14b28.52a27.60a30.00 36.90a41.45a46.43a47.29 44.93 37.27a31.77 33.55 35.57
199628.67a26.90 33.23 31.43 37.33a42.13 46.00a47.10 42.83 37.19 33.17a-----z36.91a
199728.77a29.00a28.07a31.83a39.00 42.64b47.52 51.07a44.73 38.77a31.87 24.29 36.46
199824.94 25.93a33.16 32.27 36.61 42.57 45.97 46.13a44.87 37.52b32.79a29.97a36.06
199927.13 25.54b27.23a31.63 36.83a40.77 45.90a45.87 41.67c36.93c33.48a-----z35.73a
200025.26 31.93 30.06 31.59a36.00 41.03 46.10 46.74 39.17a31.93a32.17 32.55b35.38
200129.43c31.19a28.90 34.17 34.37a-----z46.48 48.17a43.23 37.16 31.43 29.17b35.79a
200229.68c24.36 32.66b33.74c39.68 43.03 46.67a48.27a45.30 39.10 34.97 29.77a37.27
200332.03a31.36 29.38b35.93 38.81 43.68b47.13a50.07a45.55a39.87 35.90 29.10a38.23
200429.26 30.82a28.84 31.86a40.84 43.00a46.65 49.32 45.37 38.80a33.13 30.11d37.33
200534.06 31.29 32.42 31.70 38.83a43.57 47.47a49.33a47.63c40.23a31.75b33.45 38.48
200626.03 30.07 32.39c31.77 36.07a42.87 47.97a48.94 44.21a41.16 36.43b28.79b37.22
200728.06 34.26a25.37a33.62a36.68 42.83 46.30a49.71 47.27 38.33a34.24a29.64c37.19
200828.62b-----z-----z32.07p34.83a43.13 45.10a45.83b44.93a35.93a30.96c32.88g38.67d
200927.21b30.75d27.18c30.93c37.31b42.14a44.90b46.43a42.52a38.30a31.31a34.14b36.09
201030.66b27.77b21.90b31.28a36.19 41.64b45.32 47.62b48.00a38.68c34.82b31.63d36.29
201131.57c31.93a29.97 31.83 38.52 42.70 45.00 48.87 43.87 40.42 34.07 30.71 37.45
201222.10 29.48 24.74 30.80 35.00 40.10 43.94 46.84 43.07 39.16 32.43 30.52b34.85
201332.32 28.11 30.19 32.23 35.16 43.40 49.23 49.84 45.27 40.48 37.07 35.45 38.23
201432.61 29.39 30.84 35.47 38.45 40.77 47.13 48.52 44.23 38.58 37.17 33.52 38.06
201532.84 33.64 33.87 33.17 40.83a44.20 48.55 49.35 47.37 41.77 36.63 32.73a39.58
201631.74 33.66 31.65 35.77 40.32 44.87 50.39 51.32 47.87 42.19 33.13 32.55 39.62
201728.03 29.68 27.90 33.70 39.00 43.10 47.94 48.29 44.50 40.18t39.25f32.17m38.02c
201833.00p35.71 33.61c36.23 39.68l43.50 48.34b50.29 47.26g43.31b38.20 31.47a40.07c
201933.10b35.46 33.03 35.30g39.65h46.21b49.83a52.71c48.20 42.85e38.40e31.67a41.15b
202027.62b32.48 33.87a36.79b40.25c44.87 49.69b48.80a44.80 40.76b36.63c31.48 39.00
202130.79b35.70a31.40p37.30t39.97a43.80 48.80a49.60a46.47 39.77a31.41c37.00a40.33b
202230.52 34.04b31.07b34.11c36.93c44.28a47.68 48.13a46.17 41.26d37.68b35.40a38.94
202332.52b33.26i33.34b33.17 38.04c44.24a48.58g48.06n46.13 42.50a37.68h28.48b37.30d
202430.07a29.31 29.70d-----z-----z-----z-----z-----z-----z-----z-----z-----z29.69i
Period of Record Statistics
MEAN28.48 28.37 28.79 31.76 36.36 41.69 46.03 47.52 43.76 37.76 32.61 29.82 36.03
S.D.3.41 3.88 3.19 2.11 2.02 1.86 1.81 2.41 2.45 2.90 3.08 3.02 1.78
SKEW-0.27 -0.35 -0.48 0.29 0.17 -0.36 0.05 -0.10 -0.25 -0.74 -0.69 0.06 0.12
MAX36.16 35.71 33.87 36.79 40.84 46.21 50.39 52.71 48.63 43.31 38.40 37.00 39.62
MIN18.52 17.77 21.10 27.93 31.35 36.27 41.23 42.46 38.36 27.35 21.30 22.58 32.86
YRS68 70 69 67 72 74 70 69 70 68 67 65 48