HILLSBORO, OR

Average of Average Temperature (Degrees Fahrenheit)

(353908)

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
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z40.56f43.05a43.05k
193025.29b44.00a47.98b52.98 52.56 57.59b62.86b64.95c59.80b49.95a43.94f38.88g51.80b
193142.56f41.33b46.71b53.16a60.60a61.07b67.69d65.26 58.72a51.68a41.12a37.95b53.21a
193237.10a40.07 46.03 50.83 55.10a63.85 62.55 66.02a64.20c56.37l46.04d36.48e51.66a
193338.66b38.41k44.59b50.63 52.04e60.71b66.22b67.16b56.52 54.33h42.64h45.04c53.51c
193445.00u44.96c52.56d58.64e55.53b59.30b65.37a66.58 59.38b54.21 47.40 41.02 54.99a
193537.66 42.63a41.26 49.95 54.08a59.28 65.71 66.61 61.88 48.78b39.80 38.40a50.50
193641.32a33.69 42.97a52.96b59.66 64.45 66.13a66.68 59.80 53.88a40.07 40.73a51.86
193728.27 40.46a47.42 49.15 58.40 63.79a66.47 64.57d61.45 54.76d47.58 42.18 52.04
193839.30a41.29 45.07b51.70 58.52 63.84b68.68a62.77c63.34a52.87 41.54d39.70a52.38
193941.57a38.28e46.77a52.17 57.23 59.33 66.31 66.11 61.67 53.02b44.41c43.82a52.56
194040.15a45.53 50.00a52.45 60.26 63.62a65.61 67.03 63.00b55.68 42.84b41.40 53.96
194141.33a44.88 50.98 52.65 56.32 61.41a69.74 65.98 57.63 53.32 45.00a40.89 53.35
194234.08 41.46a43.73 50.68 54.76 58.82 66.98 65.95a60.65 53.18 43.00 41.69 51.25
194332.87a42.67b44.02 53.62 54.05 59.95 65.71 63.29 64.50 53.71 43.65 38.23a51.36
194438.16 41.20d44.56 50.17 56.34b59.97 65.79 64.40b63.25 56.63 43.32 37.27 51.76
194540.95 43.66 44.21 49.50 57.95 60.50 66.90 65.19 58.47 51.94 44.62a39.89 51.98
194639.19 41.20 46.29 50.35 59.10 59.80 65.74 65.52 60.90 50.27a42.50 41.29 51.85
194735.50 44.84 49.52 54.52 59.10 60.22 63.69 63.31b61.90 54.15 45.30 40.92a52.75
194837.82 40.26 44.16 47.20 55.60a65.68 65.38a63.90 60.57 51.60a42.62b36.05a50.90
194927.55a38.66 45.71 52.83a59.45 62.52a66.16 66.27g64.97a48.08 48.73 40.42 50.46a
195028.68a39.70 44.19b48.42 54.68a62.90 66.77a68.84 63.30 51.43a44.93 46.37a51.68
195138.55b42.61 41.03 54.00a57.39 64.58 68.31 65.81 63.98 53.58a45.14b37.47 52.70
195235.94 40.79a44.31 52.90 57.48 60.28c69.22b67.33a65.21b59.17a39.25b40.72a52.72
195347.07a43.57 45.38b49.17a54.83a57.85 66.53 66.36b63.40a54.61 48.16a42.29b53.27
195438.11 43.13a44.11d49.34b57.70a57.71a62.95a62.90b60.32 52.31b48.73 40.32 51.47
195538.12a40.05 40.88a45.82 52.97 60.48 62.80a64.55 61.68 53.48a41.13 39.00 50.08
195640.27a35.67 44.10 53.40 59.94 57.98 68.40 66.45 61.57 51.52b42.70 40.38f52.91a
195730.68 42.25 47.43a52.81a59.86b61.91b65.24 64.37a66.60a53.25a43.63 43.35a52.62
195842.95b48.83a45.98b51.03 62.47 66.78a72.98a71.20a62.73 56.88b44.80e44.25e55.91
195940.87a42.04 46.19d51.25d54.70a60.82 67.88a63.57c59.33a53.50a43.79b38.22a51.84
196033.81b40.85b43.85a50.02b52.67b63.10 69.75a66.00 63.05a55.43b45.65 39.27 51.95
196144.41b46.87e47.34c50.21b56.21 66.33a69.82 72.16 59.74a52.77 42.34a40.95b54.10
196238.36b42.00b44.03a52.05a52.10 60.58 64.90b65.22b61.70b52.73 46.64a41.08a51.78
196333.98b47.21 44.67b47.50a56.52a60.70 62.26 65.34 65.03a52.98 45.22g40.37 52.42a
196441.58a41.64 43.90 46.80 51.71 58.55 63.92 61.85 57.22 52.48a41.09a38.92 49.97
196540.16 42.73 46.03a50.20 52.13 58.53 66.65 66.05 58.23 54.55 47.33 37.53 51.68
196639.73a41.38 44.97 50.85 55.27 59.20 63.89 63.79 61.25 50.98 47.53 43.56 51.87
196743.22a43.18 43.22a45.45 54.65 63.47 67.98 72.58 64.60a53.90a47.30 41.31 53.40
196840.35 48.36 48.37 48.10 55.13a60.95 66.39 64.00 60.67 51.16 45.88 38.24 52.30
196933.74 40.70 46.58 49.90 58.10b66.08 64.62a62.85 61.30 51.34 45.62 41.94 51.90
197041.00 46.52 46.98 47.25 55.56 64.20 66.74 65.77 58.02 51.69 45.52 39.71 52.41
197140.03 42.50 43.77 49.73 56.56 57.72a67.52 69.18 59.58 50.60 44.78 39.18 51.76
197238.03a42.71 48.58 47.02 59.10 62.28 69.32 68.63 58.85 51.71 46.32 35.23 52.31
197338.86b44.87a45.82 50.22 57.08a60.95 67.76 62.77 61.71a52.10 43.02a43.95 52.43
197437.81 41.95 46.73 50.28 53.90 63.08 65.44 67.08 65.08 53.13 46.25 43.18 52.83
197541.32 41.07 45.00 46.55 56.02a59.70 66.69 62.89 63.35 52.19 44.27 42.68 51.81
197641.60 41.43a43.44 49.22 55.63 58.33 64.60 64.15 62.53 53.48 46.37 38.66 51.62
197737.14f44.25 43.84 51.90 52.48 62.37 63.79 69.65 60.31a53.09b43.35 43.06 53.46a
197841.84 46.16 49.65a50.28 54.45a63.95a67.50 66.06 59.77 54.48 39.36a35.13 52.39
197930.76 41.80 48.76 50.80 56.92 62.38 67.00a65.06 63.26a55.37 43.83 44.10 52.50
198035.81 42.43 45.50 52.23 55.35 57.73 65.82 62.65 60.25 53.12a46.90 42.92 51.73
198142.76 42.88 47.42 50.35 55.32 59.60 65.11 69.24 61.90 51.84 47.08 42.56 53.01
198237.37 41.77 44.94 46.66a55.18a63.16a64.97 65.58a60.72 52.24d42.17a40.34 51.26
198342.37 45.96a49.13a51.00 58.60 59.88 63.84c65.55a59.00 51.10 48.02 34.98 52.45
198441.23 43.66a48.83e48.48a52.91c59.38 65.00c64.88a59.71a49.81 44.79a36.22a51.24
198535.05 39.07 42.96c51.81a55.72b61.33a69.65 64.60a57.73 50.82 36.45 33.77 49.91
198642.50 43.21 50.82 49.38 55.47 64.55 62.79 70.18 59.30 54.55 46.18 39.44 53.20
198739.94 44.52 47.63 52.83 58.79 64.09a65.35 67.29 63.47 56.19 47.22 37.77 53.76
198838.34 42.95a46.26 51.32 54.28a61.16a67.16 64.85 60.93 57.38b46.20 39.36c52.52
198940.78a35.19a44.48 53.86e56.35a63.42 63.56 64.02 63.17 52.63 46.55 39.21 51.93
199042.18 40.32 48.18 53.32 54.87a61.55 68.40a68.02 64.63 51.44 45.10a32.73a52.56
199138.42 47.75 44.27 49.88 53.18 58.78a66.76 67.76 64.45 53.30a46.45b40.65a52.64
199242.48a48.00 51.29 53.82b60.00a66.12b68.36b67.61 60.22 54.84 45.20 38.42 54.70
199335.60 39.59 48.19b51.05 60.25a60.55 61.87a66.47 63.43a55.76 38.60a39.82 51.76
199442.98 39.88b49.42 52.61b58.35 60.24a68.42 66.61 64.67a50.40 39.76a41.12a52.87
199543.92 46.17a47.19 49.82 59.74 61.96d69.03 64.92 64.45 51.83a50.17 41.65 54.24
199640.39 41.24 47.61 52.72 54.67b62.12 71.13 67.94 59.75 52.21 44.12 41.25a52.93
199740.81 42.54a46.37a50.50 62.34 62.61b68.23a70.23 63.72a52.97 52.62 41.19 54.51
199843.79 46.65a50.48 53.86a57.60a65.50a72.37a70.79 67.30 55.16 50.18 40.77 56.21
199942.83a45.27 46.56 51.68 55.36b61.17a65.57q-----z-----z50.71s50.14a47.11 50.02d
200040.13a44.04d48.55c58.16b59.22f-----z-----z-----z-----z-----z-----z-----z47.72h
2001-----z-----z-----z-----z56.72d58.41c64.37a65.08 60.42 49.00a46.20h38.79n59.00f
200238.82 42.00 41.53a50.02f54.79 63.44c70.55k68.82q62.00p52.10b46.00a42.77 47.68d
200344.71 44.20 48.27 50.02a56.98 -----z-----z-----z-----z-----z-----z-----z48.84g
Period of Record Statistics
MEAN38.74 42.60 46.16 50.89 56.35 61.48 66.42 66.06 61.65 52.93 44.77 40.29 52.39
S.D.4.28 2.91 2.54 2.49 2.53 2.40 2.35 2.36 2.39 2.06 3.03 2.82 1.22
SKEW-1.08 -0.31 0.21 0.32 0.26 0.29 0.36 0.74 0.07 0.33 -0.23 -0.26 0.77
MAX47.07 48.83 52.56 58.64 62.47 66.78 72.98 72.58 67.30 59.17 52.62 47.11 56.21
MIN25.29 33.69 40.88 45.45 51.71 57.59 61.87 61.85 56.52 48.08 36.45 32.73 49.91
YRS70 72 73 72 73 72 70 69 70 69 68 70 60