STEVENS PASS, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(458089)

File last updated on March 28, 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
1939-----z33.56a46.00 50.19c53.07b58.21a71.00a73.81 61.48a48.66b43.52a34.59d52.19a
194030.68c33.61a43.62e45.38a58.77 69.18b69.72b72.26d65.22c49.20a-----z-----z53.76b
194133.00q34.79 45.55 49.17 51.35 56.80 72.48 65.48 50.90a46.81 38.47 30.33a49.28a
194227.00 33.75 39.30a49.87 49.87 58.20 73.32 74.72b70.30 53.48 32.87 32.77a49.62
194326.58 40.47i37.45 48.60 48.13 57.54d69.52 65.68 71.03 65.10u42.46d31.74 49.87b
194430.74 33.38 37.06 47.23 -----z64.72e70.71 66.45 68.65g56.81o35.17 29.06 46.06c
194530.84 34.58b37.26 40.27 61.75w61.92f72.71c72.91h58.43 66.90u-----z-----z45.68f
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1947-----z44.78s47.86c-----z-----z-----z-----z-----z-----z-----z-----z34.39h47.86k
1948-----z29.03 37.83h-----z-----z-----z-----z-----z-----z-----z-----z-----z29.03k
1949-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1950-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z34.97 35.57a35.27j
195127.16 32.93 33.90 50.23 51.80f67.69q66.81o65.09i62.39b44.42 34.81c27.42 39.16d
195225.13 33.28 36.29 48.93a52.59i55.83 70.53a66.04c65.82b59.34b35.96b29.42 47.87a
195336.42 34.33a37.14b42.75f49.57h49.86i65.86b65.86b61.31a51.57c37.96b33.21b47.07c
195426.30a34.04c33.68l37.41m52.80f57.30t62.19e58.07c59.08f48.00e41.76e30.04c42.91e
195531.73e28.77f31.11d39.93c47.50g55.44e60.58g66.93q58.85j48.50i26.06l-----z39.55h
195625.94 25.52 34.32 49.22g-----z-----z-----z-----z59.83g43.92g35.33 33.81 30.98g
195721.87 32.15a36.29 43.70 56.03 58.90 61.65 61.97 66.23 44.90 37.90a33.16 46.23
195830.13 35.43 36.35 42.60 61.13 61.63 73.65 71.50a55.87 51.10 32.63 34.13 48.85
195929.03 29.93 35.45 43.10 47.00 56.17 68.27a62.27a49.50n47.23 36.33 30.84 44.15a
196025.71 30.48 38.45 43.70 46.45 57.77 72.52 59.48 59.30 49.48 34.43 30.06 45.65
196132.48 33.25 36.65 39.30 48.48 66.97 68.74 73.19 53.87 44.77 32.10 29.00 46.57
196229.42 34.29 34.97 46.37 44.13 57.47 64.81 62.61 62.00 47.71 35.43 32.65 45.99
196326.42 39.75 37.35 39.30 51.68 54.97 60.13 66.16 65.53 47.68 33.30 31.39 46.14
196429.23 33.86 32.97 37.97 45.87 54.23 64.61 59.45 53.87 48.48 33.37 25.63a43.30
196529.73a31.86 37.90 44.87 47.58 58.00 69.77 63.52 56.13 51.19 36.70 28.26 46.29
196628.94 31.54 36.65 44.40 52.19 53.90 62.39 65.16 62.13 47.90 36.37 31.74 46.11
196731.10 33.82 33.39 39.20 47.94 60.83 69.74 75.32 67.47 45.10 37.43 29.68 47.58
196829.84 38.52 39.42 40.00 50.55 57.10 70.26 62.23 -----z-----z33.27o24.33d45.80c
196919.61 28.68 39.06 40.80 57.03 65.00 68.52 71.20a57.00 -----z33.83r29.48 47.64b
197027.06 34.39 34.84 34.30 54.20a-----z-----z-----z-----z-----z29.06m26.80a35.27f
197131.10a32.18 30.77 39.95k-----z-----z-----z-----z-----z-----z33.70 26.48 30.85g
197225.83a31.21 36.26 36.93a-----z-----z-----z-----z-----z-----z33.67l25.16 31.08g
197325.97 34.54 35.87 42.76a51.42 55.30 66.75c65.52f57.80 45.00d29.41c31.17a43.27a
197425.45 31.56a34.42 38.53 44.16 57.07c61.68 66.41d64.04b52.55 34.37 31.81 45.17
197528.65 28.07 33.26 37.80 46.84 51.14b67.23 58.73e61.90 42.48b32.77 32.26 43.43
197632.32 31.66 32.28b40.58d49.47a51.28a63.40a58.84 61.70 49.19 39.90a36.23a45.57
197730.63a35.36 33.06 46.52a45.65 61.57 62.38b71.72b51.86b47.38g30.64b28.90a45.30a
197830.20a32.71 39.13 40.24i48.42g61.46d63.70d62.00i49.19d50.90a32.39b24.64c42.70c
197920.81 28.30a39.42 41.17a53.65h57.30c66.30a64.56d62.00e51.44f31.86h33.13a45.89c
198024.06 29.93 33.06 44.97 48.32 51.15d66.59b62.85k57.14i49.00b36.10i35.92f43.39d
198133.03 32.71 40.19 40.79a49.55k51.43 60.07d69.80f57.89b45.68c38.92e28.84 42.96b
198228.26 30.04b36.10a39.07 47.62e59.41a64.33d68.53n57.20e46.24j30.50n29.38j45.25d
198334.47a32.84c38.48 44.07b51.78d55.29f60.29n65.96e54.14i47.52b34.95k21.26 42.05d
198433.23a33.93b38.07a40.03 44.50c54.14i71.43h66.41d53.00e40.88e31.56c26.23a40.78b
198526.48 28.63a36.61 44.36e51.16 58.71f76.07p65.16f52.67 43.50c21.18b30.33a37.21c
1986-----z32.22a41.59d39.62i49.27e63.82b59.32i77.45t52.21a52.71c37.71f28.31e45.73e
198728.26 34.92b37.55 47.24a53.15e62.84e61.75c65.83b64.37k54.37a38.38d26.83b46.47a
198826.93a34.58c36.32 41.97a48.81d55.21a67.77i66.86i53.19n53.10b33.81c32.16 40.32c
198931.52 25.23b33.13 44.27 48.92e60.04d62.11d60.03a62.42d45.00d35.06n33.25g47.27b
199030.81 28.63a39.32 46.07b44.36f52.74c70.36q68.00e61.82h41.00e34.87o24.59b41.39d
199128.28b37.89a35.26 39.73d45.31e50.54d65.45i65.15e60.65j48.59d35.60j32.13a42.54c
199230.40a35.32a43.79g44.96c57.33d69.75j62.85d67.89m56.21f46.29g34.71m26.33a42.87f
199322.89c28.41a36.90a39.86a56.68f52.25b52.15r63.22d59.40j52.25g35.61l29.55i40.59f
199434.97 30.19a39.47a43.70c-----z-----z-----z-----z-----z-----z-----z-----z37.08h
Period of Record Statistics
MEAN28.62 32.44 37.06 42.99 50.15 57.72 66.73 65.80 59.70 48.24 35.19 29.82 46.18
S.D.3.55 2.98 3.55 3.89 4.23 4.59 4.12 4.83 5.67 3.95 4.12 3.34 1.73
SKEW-0.31 -0.19 0.94 0.13 0.76 0.48 0.04 0.34 0.04 0.39 -0.73 -0.32 0.26
MAX36.42 39.75 47.86 50.23 61.13 69.18 73.65 75.32 71.03 59.34 43.52 36.23 49.62
MIN19.61 25.23 30.77 34.30 44.13 50.54 60.07 58.07 49.19 40.88 21.18 21.26 43.30
YRS48 50 50 45 35 38 36 34 33 35 34 44 14