HEPPNER, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(353827)

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
1893-----z-----z-----z36.87 -----z-----z-----z-----z-----z-----z-----z-----z36.87k
189426.93d-----z-----z-----z-----z-----z-----z54.61 45.28a39.26 36.37 25.52 37.99f
189522.74 31.41a-----z37.83g42.32c48.04c51.85d51.89d43.77d-----z-----z28.09h41.72e
189629.81e-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z29.81k
1897-----z-----z-----z-----z-----z-----z-----z56.17b44.46d35.37a29.88d27.63a38.70g
189824.71 33.58d29.10a34.17a38.20a46.55a50.26 52.50a43.50 34.47a30.43 17.77a36.27
189928.87 23.63a31.17a35.37 38.47a43.53 49.55b46.84 46.27 36.37a38.79a28.79c37.30
190030.42e27.96a36.77a-----z-----z-----z-----z-----z-----z-----z-----z-----z31.72i
190126.42s26.19a32.53a33.55a-----z-----z-----z55.27p43.87 42.65 34.07 30.26 34.73e
190221.90a30.29 32.19 35.73 43.33a45.30 50.10 49.68 44.87 40.23 32.86b26.80a37.77
190330.06 24.64 30.32 33.07a40.23 -----z-----z-----z-----z-----z-----z-----z31.66g
1904-----z-----z-----z-----z-----z44.77 52.71 51.81 45.73 40.06 32.80 28.67a42.36e
1905-----z-----z-----z-----z40.74 47.13 54.88e51.90 47.63 35.94 28.48a28.93a41.96d
190630.42 32.36 28.90 38.27 42.20a45.77 58.19 52.94 47.80 41.39 33.63 31.10b40.25
190716.48b30.75d32.63a35.04b42.27a48.31a51.31b48.47a46.03 42.48 33.35d29.13 38.02
190827.58 27.48 34.16 36.43b39.03 46.72a56.67a53.34b46.05j37.19 33.10 25.65 37.94a
190916.32 31.81a31.90a32.36b40.32 46.52a48.35 46.97 46.83a39.03b34.46d-----z37.72a
191021.97b21.12d37.97a40.00c44.10a45.00 51.58 46.10 42.63 38.04h33.77 30.53a37.71a
191125.84 23.57 31.61 32.28a39.19 46.73 54.42 48.90 42.40 36.06 31.14a28.39 36.71
191225.86c31.66 28.68 36.07a41.55 48.90a52.81 48.90 41.63 33.48 34.56c28.06 37.68
191324.32c23.29 29.77a36.37 42.55 48.33 51.61 52.32 43.27 36.65 35.33 24.03 37.32
191433.35e29.24c34.55 36.38a41.90 46.10 52.97 51.71 45.10 39.50a32.17 18.43a38.45
191523.35 31.64 34.19 39.30 42.71 46.24a52.32 55.19 46.10 38.61 32.20 28.67a39.21
191611.06 27.52 35.65 36.97 38.00 45.28a47.97 51.23 45.30 34.48 25.83 25.41b35.39
191723.68 27.75 27.94 35.33 41.58 43.60 52.87 52.90a47.83 39.65 33.53 37.19 38.65
191832.79b29.27b34.33a34.80 37.58 49.73 53.57a50.10 49.73 43.16 31.43 28.26 39.56
191925.77a29.96 31.97 36.70 40.19 43.37 53.19 52.13 44.10 36.19 31.00 15.70a36.69
192022.73a26.41 33.26 34.93 38.03 45.79a52.97 52.84 45.47 38.03 29.93a30.06 37.54
192127.07a31.75 34.32 34.87 42.07a49.03 49.45 50.81 42.17 40.61 31.70 23.10b38.08
192219.79b25.14 30.42 34.63 40.16 51.17a53.87 52.77 46.62a39.68 29.00 23.65 37.24
192331.10 19.79 31.74 35.90 42.13 47.20 53.94 52.94 46.60 38.74 33.73 29.27a38.59
192422.10a34.86 30.71 35.00 43.68 48.00 51.81 51.00 46.50 38.06 32.17 17.81 37.64
192532.90 34.68 32.97a39.00 44.61 49.73 54.81 50.26 46.87 38.07a33.10 32.00b40.75
1926-----z35.33a35.06 40.67 41.84 49.53 53.90 52.73a42.03 40.74 33.53 26.93a41.12a
192722.23 33.69b31.19 33.30 40.19 49.50 52.55 52.16 45.53 40.94 37.17a23.69b38.51
192823.43a27.10 34.19 35.60 44.58 47.90a54.13 49.55 45.03 39.39 32.90 25.06 38.24
192916.48 16.04 34.10 33.63 40.61 47.73 51.10 52.26 44.33 39.39 27.73 32.74 36.35
19304.67a33.68 34.77 41.57b41.23 45.97 52.29 53.61 45.71b36.77a31.00a26.87 37.34
193129.71 29.64 34.06 36.61b44.06 49.10 52.23 50.87 44.03 36.00b28.60 23.27a38.18
193226.94 26.61a34.81 36.47 40.26 47.50 48.58 50.87 44.77 39.30a36.43 21.10b37.80
193327.19 22.36 32.84 35.00 38.45 47.43 51.87 52.94 42.77 40.70a32.90 35.03 38.29
193433.61 33.46 36.42 41.37 44.29 48.53 51.32 53.10 45.33 41.52 39.13 31.10 41.60
193527.39 28.75 30.77 34.30 39.90 48.20 52.74 51.26 47.80 37.39 27.17 26.77 37.70
193629.87 15.03 32.13 40.30 45.52 50.43 52.48 51.90 44.73 39.03 24.27 31.60a38.11
19376.68 27.75 35.23 35.97 41.06 49.03 56.97 50.19 46.87 40.94 35.60 31.32 38.13
193828.65 29.43 32.39 36.93 40.97 48.53 55.00 48.90 50.17 38.65 27.24a27.52 38.70
193930.06 24.96 34.32 36.03 43.81 45.87 53.29 52.81 47.40 39.19 30.37 32.03 39.18
194024.71 33.45 36.03 38.30 43.87 49.87 53.00 51.39 50.43 43.06 27.55a27.48 39.93
194127.68 30.75 33.29 39.07 43.74 48.70 56.45 54.39 45.87 38.58 33.87 28.23 40.05
194213.94 28.21 31.39 36.47 41.48 44.57 53.45 53.61 44.97 38.94 31.47 30.87 37.45
194317.97 28.04 30.48 38.13 38.68 44.23 51.42 47.74 46.23 39.29 32.77 26.00 36.75
194424.94 28.38 30.26 37.20 41.00 46.10 51.68 50.43a47.80 39.77 31.63 25.94 37.93
194530.26 32.04 32.13a34.73 42.84 44.87 51.39 51.87 43.40 37.97 32.77 26.35 38.38
194629.19 30.46 33.16 35.80 42.03 47.17 52.90 51.74 45.20 35.68 29.37 30.55 38.60
194723.87 29.43 36.35 38.73 45.94 48.00 51.45 50.13 47.07 42.26 34.73 31.30a39.94
194825.74 24.55 30.03 34.93 42.26 51.60 49.84 48.52 43.27 34.35 32.95j22.58 37.06a
19498.87a24.71 31.60a37.90a44.32c44.17a48.65 48.93a44.47 31.26 32.24a26.26 35.28
19508.35 26.29 34.19 37.07a39.77a48.59a52.26 52.87 46.47 40.52 33.43 33.30a37.76
195126.07c28.82 29.06 33.36b40.94 47.79a51.50a49.77 43.80 38.06 29.07a23.45 36.81
195220.20a29.93 30.61 36.57 42.42 46.00 51.83a50.74 46.83a40.03 22.76a26.71 37.05
195336.39 28.64 31.67a35.93a38.35 43.77 48.97 52.55 46.40 38.45b34.80 32.00a38.99
195425.84 30.07 26.84 35.33 41.37a44.76a48.06 47.73a43.73 34.35 36.90 24.65 36.64
195527.30a26.00a27.10 33.13 38.81 46.77 50.90b48.47a44.83a40.06 28.55a25.83a36.48
195627.29 22.00 32.55 36.48a45.74 45.46b53.63a50.93a46.43 37.87a29.17a29.77 38.11
195712.26 27.46b34.03 38.76a46.26 49.30 49.74 48.52 47.34a39.19 30.61b32.37a37.99
195831.03 37.46 30.19 36.52a47.23 52.53 55.39 55.23 46.63 38.35 31.87 30.81 41.10
195927.94 30.21 33.37a36.60 39.39 47.87 52.58 49.65 46.63 40.06 26.70 25.45 38.04
196018.87 28.62 31.52 37.70 40.45 46.97 54.47a49.55 45.03 39.81 32.50 23.74 37.44
196129.10a36.64 35.42 36.73 41.71 51.07 53.29 56.84 42.73 36.68 24.97 28.35 39.46
196223.06 27.68 31.41b37.37 39.87 43.33 50.42 50.10 45.47 38.23 34.76a29.81 37.63
196318.35 32.39 31.94 34.93 41.84 47.47 47.84 51.77 50.83 40.68 35.33 25.42 38.23
196431.03 28.31 31.19 33.23 37.80a47.37 51.65 48.19 43.60 36.58 30.93 24.97 37.07
196529.90a31.57 26.94 37.23 38.65 46.33 52.97 52.81 41.67 40.57a35.27 26.71 38.38
196628.81 28.86 32.48 35.50 41.83a46.37 51.00 51.19 48.17 38.32 34.27 31.81 39.05
196733.39 30.93 31.90 33.30 40.42 49.67 51.97 56.74 50.47 40.87 31.77 27.39 39.90
196827.71 33.59 33.97 32.70 42.74 48.77 54.87 53.45 48.50 37.94 34.00 25.16 39.45
196915.84 27.89 33.10 35.97 44.42 52.40 50.84 49.00b47.90a36.68 33.60 28.74 38.03
197026.19 32.14 32.16 32.50 41.06 53.57 54.55 51.71 42.33 36.35 32.13 27.94 38.55
197130.47a29.79 30.77 33.97 43.42 46.30 53.81 56.10 42.20 36.42 33.23 28.97 38.79
197224.68 27.66 34.94 32.80 42.68 49.20 52.68 54.29 43.43 37.45 33.93 19.84 37.80
197324.13 30.15a33.23 35.03 42.61 48.50 52.77 51.74 47.93 39.71 33.20 32.45 39.29
197421.13 33.50 34.50a37.23 41.06 49.73 51.68 53.26 45.90 37.23 34.70 30.97 39.24
197527.42 26.82 30.48 32.73 41.26 46.90 57.03 50.06 44.63 41.97 31.43 31.65 38.53
197630.06 27.62 30.26 35.33 40.65 44.07 52.13 52.71 48.50 36.29 34.07 27.39 38.26
197720.42 31.04 32.42 37.03 39.68 51.07 52.00 58.13 46.57 39.03 29.87 30.35 38.97
197827.84 33.07 36.00 37.13 41.10 49.13 53.81 53.61 46.63 36.68 24.47 21.23 38.39
19798.87 30.00 33.90 37.93 44.10a48.17 54.26 54.65 48.37 42.97 28.27 31.23 38.56
198019.39 30.21 32.94 39.11l43.29 46.63 52.45 49.03 47.90 38.26 33.53 32.29 38.72a
198130.06 29.46 33.35 -----z45.26l47.57 50.29 53.90 46.80 39.19 35.07 30.35 39.61b
198228.60a28.11 32.48 33.20 41.32 52.27 53.10 53.29 45.60 37.46c28.23 28.23a38.49
198331.75c33.88b38.45 35.55a43.35 47.43 51.39 54.58 42.83 39.16 37.34a17.58 39.44
198426.03a31.38 36.19 36.53 41.13a46.67 51.10 50.52 43.20 34.58 31.69a22.55 37.63
198520.77 24.25 29.90 38.23 42.29 47.60 55.87 48.48 41.57 36.81 20.40 16.00 35.18
198628.93a30.71 36.39 34.97 44.00 50.40 47.65 55.71 44.20 38.52 34.20 24.94 39.22
198723.23 30.46 36.39 38.43 46.39 49.86a52.48 51.29 48.40 38.00 32.70 24.77a39.37
198825.94 28.59 32.32 40.27 42.06 49.17 53.00 50.55 45.90a44.45 36.14a27.53a39.66
198929.61 17.04a33.55 39.83 42.60a49.37 50.20a52.71 45.83 38.40a34.73 25.72b38.30
199031.10a28.24c33.52 39.87 42.52 49.63 55.52 55.16 49.90a37.26 35.57b16.69b39.58
199122.22d34.63a31.57a37.97 41.33a46.37 53.16 55.48 47.60 38.35 33.53 30.19 39.37
199230.87a34.75a36.55 40.90 45.45 53.00 53.10a53.00 43.70 38.87a32.31a25.30a40.65
199317.70a21.44a32.45 37.80 47.52 48.23 49.13 50.16 45.33 40.65 24.03 28.55 36.92
199432.42 24.78a34.39 41.20 46.03 48.57 56.26 52.52 50.37 38.03b31.85c26.64c40.25
199526.87a33.00c32.59b37.48a45.00 48.03a55.33a49.77 49.73 37.76b37.67c28.64c40.16
199629.04d23.04a33.45 39.13 41.03 47.77 56.71 54.00 45.90 39.10a31.86a28.27a39.11
199724.97 30.52a34.52 36.23 45.83a48.27 53.35 55.29 49.90a38.90a33.34a27.43c39.88
199828.59d32.08d34.54c37.43 43.48 48.30 58.48 54.23 -----z37.74 36.48e26.52b39.81a
199932.11c32.72c33.23a32.68b40.52 48.41a51.80a56.19 45.07a37.07b36.41c30.54c39.73
200028.07b30.31c33.16 39.10 43.80a48.57 53.07a52.35 47.13 39.26 27.26c25.72b38.98
200127.63a28.00 33.65 35.62a43.28b46.93b53.63a55.71 49.23 38.33a32.48c29.21c39.48
200228.85e28.29d30.17a36.53 43.00 51.07 56.03a53.68 47.53 34.38b30.82b30.42e39.23
200332.77a28.40c36.89d36.55a44.06 50.55a55.55 54.71 48.63 41.94 30.21a28.74 40.75
200424.00c30.90 36.93c39.21a45.06 50.90 56.10 58.26 47.17 42.81 32.50 31.14b41.25
200527.74 27.14 35.32 38.76a46.90 47.53 47.53a54.87 45.93b42.42 31.53 23.61 39.11
200634.74 26.38b33.32 37.93a44.16 50.60 57.16 52.65 49.85j38.32 33.83 25.43a39.50a
200722.61 31.82 34.97 36.63 42.94 48.40 57.16 52.10 45.90a38.37a29.38a29.42 39.14
200822.26 30.94l31.52 32.41m44.57a46.90 54.71 54.64i47.00a38.07d36.00a21.10 38.01c
200927.06 27.18 30.10a35.80 43.35 51.30 57.29 55.73a49.37 36.03 32.83 20.10a38.85
201032.29 32.26a32.42 36.47 41.45 48.67 53.81 52.58 49.53 40.97 30.90 26.90 39.85
201129.29 26.93 33.90 34.17a40.48 47.32b51.45 54.19 50.90 41.45 32.10 23.71 38.83
201227.71 27.93 32.94 38.53 42.42 47.13 54.55 54.40a48.60 40.19 34.77 30.48 39.97
201324.45 29.32 33.19 36.67 43.45 50.17 55.19 55.74 51.00 36.94 29.67 22.26 39.00
201427.94 26.64 33.23 38.30 44.16 48.23 57.80a56.74 49.53 45.29 30.00 29.58 40.62
201528.87 33.89 37.48 36.40 47.16 54.93 58.32 56.29 46.77 43.74 29.97a29.97 41.98
201627.61 32.62 35.87 41.17 45.58 50.27 54.19 54.35 47.10 41.87 38.37 23.06 41.01
201716.39 25.79 35.65 37.20 44.94 49.27 55.97 57.65 50.30 38.29 33.10 24.29 39.07
201832.23 27.54 32.19 37.53 48.81 49.33 56.97 56.00 45.60 38.58 29.33 29.84 40.33
201929.20a21.32 25.45 39.60 45.52 49.07 53.65 55.65 49.37 33.87 29.83 27.03 38.30
202030.23 30.69 30.87 38.33 44.77 50.70 53.90 54.65 50.76a41.13 30.90 27.55 40.37
202131.32 27.86 32.74 34.93 43.13 55.10 58.45 56.68 48.67 39.42 35.37 28.10 40.98
202226.37a26.71 35.23 33.50 40.52 48.90 56.87 57.58 49.80 43.80a25.77 21.90a38.91
202328.77 25.67a30.13 35.97a47.42 49.83 55.87 57.46c48.80 40.52 31.07 31.35 40.24
202422.81 31.69 33.21c-----z-----z-----z-----z-----z-----z-----z-----z-----z29.24i
Period of Record Statistics
MEAN25.52 28.81 32.83 36.51 42.39 48.11 53.04 52.46 46.27 38.79 32.01 27.12 38.66
S.D.6.06 3.98 2.41 2.20 2.39 2.31 2.53 2.67 2.38 2.43 3.35 4.03 1.35
SKEW-1.24 -0.80 -0.30 0.16 0.20 0.31 0.04 0.00 0.06 -0.03 -0.68 -0.67 -0.09
MAX36.39 37.46 38.45 41.57 48.81 55.10 58.48 58.26 51.00 45.29 39.13 37.19 41.98
MIN4.67 15.03 25.45 32.28 37.58 43.33 47.53 46.10 41.57 31.26 20.40 15.70 35.18
YRS126 125 125 121 123 124 124 125 124 125 125 125 111