HARPER, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(353666)

File last updated on April 24, 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
1919-----z-----z-----z-----z-----z-----z-----z-----z-----z24.24n22.73 7.48 15.11j
192015.06 21.83 28.48 30.64e37.89c45.00 52.35 48.42 39.93 30.81 24.77 23.58 33.23
192120.32 21.50 30.23 32.17 42.26 50.20 49.03 46.84 33.23 27.16 24.00 17.27a32.85
1922-2.00 16.85a23.90 30.37 35.87 46.27 50.78d50.77 37.23 28.65 18.33 16.77 29.48
192322.06 12.61 22.16 31.17 40.52 45.76a50.23 47.97 41.90 32.61 20.33 15.56m33.39a
1924-----z-----z-----z30.97 39.13 -----z-----z-----z-----z-----z25.00m6.69b25.60i
192514.48 29.92o25.48d34.19i41.13 44.27o53.39 45.97a42.20o29.33p23.04e25.79c32.75e
192615.30a28.50 25.28f35.47 38.77 45.43 52.10 50.76f33.10 29.81 28.47 15.43a32.24b
192715.81 28.36 25.68 29.63 38.55 47.60 48.71c47.42 39.43 28.84 32.22u8.86i35.00b
192817.92g19.67k30.68 30.61b41.13 45.70c52.45 44.94 36.03a29.65 22.50 3.30a33.70b
19294.10 5.04a26.58 30.50 36.03 45.57 50.00 50.84 36.47 26.03 10.30 19.48 28.41
1930-1.16 26.78a27.68 34.27 39.32 42.43 52.16 50.42 36.52g26.77 15.03 9.33a29.37a
193114.16 21.82 28.00 30.93 41.10 47.63 53.26 48.06 39.57 29.48 17.93 12.19 32.01
19329.29 10.83 30.19 32.70 40.42 48.77 52.03 46.45 36.50 31.23 25.60 8.55 31.05
193313.32 1.64 25.74 30.03 36.87 50.93 53.06 46.23 38.83a30.06 20.23 27.32 31.19
193424.77 25.21 28.45 36.30 43.29 46.97 53.70a54.70a40.67 36.23 30.50 22.97 36.98
193517.87 22.11 23.84 33.40 39.77 47.80 52.77 48.19 39.20 29.71 18.17 14.81 32.30
193617.81 14.83 26.19 35.30 44.00 50.40 54.58 51.61 37.67 29.29 11.40 14.32 32.28
1937-6.26 13.29 28.35 31.40 41.55 46.90 56.77 49.45 41.37 33.84 28.70 25.61 32.58
193823.26 27.68 28.90 34.30 40.68 48.03 55.48 48.19 45.03 34.45 18.07 18.60a35.22
193919.19 20.39 27.90 32.10 42.87 43.87 53.58 48.65 39.50 32.68 15.10 23.52 33.28
194021.90 27.66 30.87 35.90 40.61 50.10a55.23 50.71 48.13 37.61 24.77 20.29 36.98
194122.19 28.68 28.26 34.20 44.26 49.23 56.52 53.77 39.70 33.52 25.07 25.52 36.74
194212.90 20.93 23.65 32.77 41.10 45.27 54.29 51.26 42.40 33.32 27.43 26.16 34.29
194318.39 22.86 26.32 37.57 37.94 45.20 51.45 50.39 42.40 36.68 24.73 21.50a34.62
19447.06 25.34 24.90 34.67 41.26 46.87 53.23 48.87 -----z-----z-----z-----z35.28d
1945-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1947-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
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-----z-----z-----z
1951-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1952-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1953-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1954-----z-----z-----z-----z-----z-----z-----z47.69b38.48c28.03b25.52a14.73a30.89g
195515.52b16.59a23.17a31.38d37.34b47.90a50.94 46.77a38.90 30.00d20.76a22.23 31.79
195616.55b12.79 26.86b32.10a44.66b46.03 52.18c48.16 37.54b34.29c21.59a21.33a32.84
19575.96d21.15a31.55 34.31a44.55b47.87 49.74 47.74 39.90a34.65 21.40 26.00 33.73
195822.97 30.64 23.87 32.73 43.42 49.83 51.65 52.55 38.13 28.87 22.13 24.71 35.13
195923.32 25.04 22.21b31.31a34.29 48.14b49.21b48.58 40.59c32.00b17.10 10.83a31.89
196010.48d23.00a31.19d-----z36.25c45.38f54.75c-----z35.60t29.69b23.52c16.80a28.21d
19618.74 27.32c28.74 32.11b33.50c52.29m51.05k53.33a36.50 30.93b21.55a21.39 29.41b
19628.90 22.29 25.68 33.23 42.23 47.53 50.20a49.42 41.13 34.00 27.30 26.32 34.02
196312.81 28.96 26.16 31.00 42.77a49.17a50.30a51.13 46.53 39.36c28.67f19.00 36.11a
196416.06 13.59 27.10 30.33 37.58 47.80 52.16 47.65 38.00 30.30a26.52i24.00 33.14a
196523.65 24.04 20.74 35.87 38.71 47.50 51.06 50.55 38.07 31.40f28.46b17.90 34.23a
196623.48 21.93 25.00 30.69a41.03 45.57 51.58 49.42 46.17 28.77 29.63 25.90 34.93
196725.84 24.71 26.26 29.55a38.29 48.33 55.29 52.19 44.87 30.65 26.20 12.83g36.56a
196819.23 27.97 28.00 28.20 38.81 48.50 52.16 50.61 41.73 29.23a30.33 23.26 34.84
196918.68 19.96 25.42 33.17 42.90 48.70 51.87 48.87 42.90 29.97 21.90 23.52 33.99
197025.16 25.18 26.94 -----z-----z-----z-----z46.87 34.97 27.19 26.83 19.30a29.05d
197122.19 20.86 21.30a28.77 40.13 44.39b51.61 53.74 35.24a28.77 22.93 18.16l33.63a
1972-----z-----z-----z28.97 40.35 49.10 50.19 52.03 38.20 32.97 28.13 11.35 36.81c
197318.87 25.71 29.58 32.27 40.37a46.58f52.14c50.29g39.95i30.10 27.40 25.35 31.31c
197415.32 23.39 27.58 31.19c38.83b49.11c52.58e48.17b38.07a29.92f24.39b20.00f34.86b
197513.89c24.04d27.14c28.74g39.73i46.46d58.68i-----z-----z-----z-----z-----z27.88h
Period of Record Statistics
MEAN15.52 21.52 26.67 32.25 40.05 47.35 52.30 49.42 39.61 31.18 22.96 19.03 33.33
S.D.7.54 6.50 2.68 2.22 2.69 1.93 1.97 2.34 3.43 3.05 4.85 6.36 2.11
SKEW-1.00 -1.16 -0.24 0.43 -0.34 -0.30 0.34 0.38 0.48 0.72 -0.66 -0.71 -0.21
MAX25.84 30.64 31.55 37.57 44.66 50.93 56.77 54.70 48.13 39.36 30.50 27.32 36.98
MIN-6.26 1.64 20.74 28.20 33.50 42.43 48.71 44.94 33.10 26.03 10.30 3.30 28.41
YRS43 42 43 42 44 40 42 42 40 41 42 41 26