ILLAHE, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(354133)

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
1938-----z-----z-----z-----z-----z-----z-----z-----z-----z44.58 36.93 37.97 39.83i
193936.81 34.61 38.48 40.47 44.68 47.90 52.19 52.26 48.10 44.29 40.37 41.06 43.43
194038.48 41.76 39.03 43.40 46.55 49.30 51.35 50.04h51.27 -----z40.47 36.43a43.80b
194139.00 40.07 39.29 41.37 45.48 -----z55.26l51.32 46.50 43.94 41.23 36.74 42.49b
194234.52 34.07 32.77 39.97 42.10 44.63 50.90 51.10 47.40 44.48 41.60 39.60a41.93
194333.23 36.70a38.74 42.07 42.23 47.60 51.06 49.61 50.10 45.90 41.07 35.48 42.82
194435.16 35.62 34.61 39.43 42.71 48.13 51.03 50.03 48.47 45.87 39.57 37.67a42.36
194537.65 -----z36.68 40.18b47.26 47.13 53.23 51.68 48.50 43.19 41.83 39.90a44.29a
194635.20a36.18 38.71 40.00 44.77 48.00 52.26 52.10 46.70 42.55 36.70 38.10 42.61
194731.90a40.07 40.71 42.07 45.97 50.33 52.39 51.48 49.83 49.94 41.37 38.32 44.53
194833.68 34.72 36.39 38.57 45.13 51.63 50.77 51.94 48.50 45.65 38.77 33.68 42.45
194925.68 35.19a39.58 40.53 46.19 48.00a50.87 50.10 50.13 40.68 42.53 36.74 42.19
195032.03 36.54 37.77 39.13 42.16 49.70 52.58 52.32 49.07 48.39 42.80 45.00b43.96
195136.68 38.53i33.33a40.50 45.26 48.83 51.67a51.74 49.13 45.55 40.77 35.26 43.52a
195233.68 35.83 35.29 39.37 43.94 48.13 52.60a51.65 49.43 45.87 32.23 38.13 42.18
195342.42 36.25 35.48 39.77 43.16 47.07 50.77 52.58 51.23 43.00y43.25f37.74d43.65b
195435.52 38.39e35.75c39.48e43.43h46.44c49.00 49.42s48.19n43.42 44.00 35.77 40.86c
195533.94 33.36 34.55 36.30 42.39 47.53 49.00 49.16 49.00i-----z-----z-----z40.78d
1956-----z35.00q36.12w-----z40.89m48.12v53.03 50.77 47.30 43.42 37.10 35.10 44.45f
195730.39 38.50 40.52 39.73 45.87 48.07 50.06 48.29 48.17 40.89c36.63 38.39 42.13
1958-----z-----z-----z41.04b45.81 51.73 54.00 53.58 49.70 44.32 45.00 42.84 47.56c
195940.39 35.79 38.00 41.00 42.58 48.37 52.52 51.03 50.40 45.97 38.03 35.16 43.27
196035.58 36.93 40.81 41.67 44.10 48.93 52.87 51.55 47.83 44.71 40.60 37.13 43.56
196138.10 40.29 39.65 39.47 44.29 49.77 50.81 52.84 45.37 43.23 36.50 36.68 43.08
196230.71 36.57 36.23 40.23 40.55 43.87 49.29 51.29 49.43 45.42 43.08e36.74 41.95
1963-----z-----z40.43h39.52e45.28f49.39b50.90a50.35 52.78g-----z-----z-----z47.54h
1964-----z-----z37.76b38.47 41.52 48.07 52.19 50.42 46.67 45.55 39.47 39.26 43.94b
196536.84 36.46 35.87 42.07 40.84 47.80 49.87 52.90 44.64h46.90j44.67 34.03b42.14b
196636.71 36.86 37.64c41.54b44.16 48.93 52.52 54.29 51.38i46.10b43.07a40.57h44.18b
196737.61 35.96 36.87 37.83 40.42s50.55h49.52 51.35 48.50 44.50a40.83 33.58 41.66b
196833.90 40.10 39.94 36.60 41.58 48.60 51.26 52.16 47.77 44.16 41.70 35.74 42.79
196935.19 33.50 33.48 39.50 49.60u52.67 51.58 49.23 50.60 42.61 39.63 39.00 42.45a
197040.35 40.07 39.29 36.27 43.13 50.03a50.65 48.74 44.67 40.61 43.07 35.16 42.67
197134.13 37.11 36.68 38.20 42.77 46.57 50.97 52.65 46.47 41.77 37.93 33.87 41.59
197232.90 37.72 41.68 37.77 43.65 48.60 50.65 51.52 44.33 41.58 41.47 32.26 42.01
197335.97 39.71 37.06 38.20 42.10 45.47 44.65 41.97 48.67 43.90 41.83 40.94 41.71
197433.00 36.04 38.61 40.13 43.35 49.37 51.74 53.23 47.77 39.81 41.63 39.10 42.81
197536.58 35.57 37.94 35.83 43.10 47.20 51.48 50.35 48.13 46.13 38.97 39.16 42.54
197635.81 35.28 36.06 38.70 42.29 46.23 51.45 54.06 50.10 41.35 43.13 31.26 42.14
197730.74 38.46 36.06 39.03 42.65 50.77 49.97 53.74 51.07 45.87 40.83 40.87 43.34
197842.23 41.43 42.61 40.57 44.06 50.03 52.58 53.10 50.40 44.42 34.73 31.32 43.96
197932.72b37.93 41.13 42.07 45.32 46.90 51.68 51.23 51.70 48.23 40.67 37.30a43.91
198034.32 41.00 38.39 41.33 43.55 48.27 53.61 49.52 48.57 44.42 43.33 38.65 43.75
198140.07a39.36 39.39 41.77 45.71 49.73 51.39 52.42 48.67 43.84 42.93 41.61 44.74
198232.23 35.71 37.32 35.57 42.35 50.90a51.55 51.74 49.80 45.63a38.40 36.71 42.33
198337.16 40.86 42.35 40.38a45.97 48.63 52.19 53.77 49.33 46.03 43.00 38.83a44.88
198435.93b37.66 -----z37.93 43.52 47.27 52.00 49.61 46.50 43.58 39.97 34.77a42.61a
198532.87 33.32 34.26 41.97 43.35 48.79a52.65 50.61 48.30 38.81e32.80 31.18c40.74
198640.81 41.82 41.90 39.83 43.26 48.47 49.35 52.52 47.90 45.32 40.00 37.00 44.02
198734.45 37.57 38.74 39.37 45.19 46.77 50.94 50.71 46.50 42.65 41.31a32.45 42.22
198837.06 35.62 33.97 36.37 42.03 46.63 51.35 50.10 46.17 45.84 42.03 33.30a41.71
198933.94 30.21 38.61 42.93 44.61 49.20 49.87 49.32 44.37 40.90 37.07 32.43a41.12
199037.97 31.89 39.26 37.73 41.71 47.59a52.45 54.58 48.53 41.32 -----z-----z43.30b
1991-----z39.68 36.03a37.77 43.55 45.70 54.19 51.90 49.23 42.35 42.10 -----z44.25b
199237.29 42.14 40.23 45.13 45.32 51.23 51.90 52.52 47.63 47.00 40.53 36.33a44.77
199338.16 38.85a41.42 38.03 41.61 53.61b56.68 54.06 58.10 48.57a36.77 31.81 44.81
199433.35 39.61 42.39 47.17 49.65 47.90 54.42 51.23 54.70 43.35 36.37 34.16 44.52
199545.70a39.29 41.81 49.30 52.32 53.20 60.32 56.87 54.10 44.48 43.13 37.74 48.19
199637.39 37.59 44.50a42.13 42.94 54.30 66.13 61.87 54.90a47.97 42.47 41.35 47.79
199740.87 35.14 41.74 45.30 51.06 53.40 56.32 57.61 52.20 44.87 42.72a36.03b46.44
199841.81 39.32 38.96c39.78c45.07c50.10 54.81 54.26 50.03 41.87a41.41a31.97a44.12
199936.39 38.04a35.96e39.00 43.16 48.00 49.16 54.26 47.53 44.57a38.17 38.10 42.69
200037.93b40.55 38.39 40.69a44.58 50.27 50.48 51.19 49.37 44.26 37.00 36.61 43.44
200135.65 35.79 39.00 37.83 44.65 46.90 52.23e51.03 47.20 41.55 40.14a38.00 42.50
200236.32 36.44a35.74 42.33 40.77a48.00 53.45 51.77 48.30 39.52 40.41a37.77 42.57
200341.03a37.68 39.87 38.77 41.45 48.77 51.48 50.55 47.33 43.87 38.63 37.87 43.11
200442.65 39.18a40.77 40.39b44.19 48.03a51.10 53.58 48.04b44.10 39.33 36.10a43.96
200536.16 36.25 40.29 40.53 48.55 50.67 56.29 54.74 46.03a46.39 -----z36.96e44.81a
200638.30a34.54 36.71 -----z-----z49.57 -----z50.31b48.10a41.03 40.43 36.13 41.68c
200731.77 35.57 38.07a39.87 -----z44.83 -----z-----z-----z-----z-----z-----z38.02g
Period of Record Statistics
MEAN36.14 37.31 38.26 40.11 44.09 48.70 52.03 51.85 48.84 44.11 40.21 36.76 43.26
S.D.3.51 2.54 2.57 2.46 2.31 2.12 2.78 2.51 2.46 2.31 2.69 2.93 1.50
SKEW0.08 -0.18 -0.02 1.06 1.32 0.46 2.24 0.29 1.15 -0.02 -0.78 0.12 1.34
MAX45.70 42.14 44.50 49.30 52.32 54.30 66.13 61.87 58.10 49.94 45.00 45.00 48.19
MIN25.68 30.21 32.77 35.57 40.55 43.87 44.65 41.97 44.33 38.81 32.23 31.18 40.74
YRS64 63 65 67 62 66 66 66 63 64 64 64 48