FORT LEWIS, CO

Average of Average Temperature (Degrees Fahrenheit)

(053016)

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
1915-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1916-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1917-----z-----z-----z-----z-----z-----z66.23t61.76 57.33 43.53n39.27b31.02d47.34h
191820.27c27.92b37.21b39.85d49.10 65.30b63.29g62.92 55.91c47.23a30.50c22.63a41.71a
191918.56 16.84 29.17b43.71f52.81g64.31i65.71g-----z57.24g39.08f31.76e26.41i24.08h
192031.44f-----z-----z-----z56.42f63.35m-----z61.72a55.63 43.40 34.12n-----z53.58i
192128.00 29.96 39.06 39.98a50.33b59.50 65.37 62.45a56.32 49.52b37.24c32.68 45.87
192220.27 25.11 31.98 39.44c50.71b62.53 66.82a64.73a59.54b46.98 31.93 26.68 43.89
192326.55 25.54b29.37 41.17 51.40a57.76a66.65 61.50a51.97 41.45 33.12a25.71 42.68
192418.11 30.50b27.45 40.47 43.48 55.94f62.79 61.15 54.23 43.70a35.70 21.90b39.95a
192518.06 27.45 34.61 43.66a52.61 57.71a64.38a59.55 53.73 43.37 32.05a26.10a42.77
192618.92a28.76a37.53p42.46c49.53 60.60 63.90 64.68 56.72 48.08 35.10 23.88a44.78a
192730.58 30.91 31.89 42.55 50.08 58.08f63.48 60.19 53.93a45.66 39.35 21.32c42.72a
192825.05 26.64a36.08a40.15 51.08 55.81a63.18 61.06 56.79a47.37 32.82 22.69 43.23
192920.89 22.22j32.16b38.65 49.40a59.17 65.61 62.31 53.97 46.00 31.25 29.76 44.47a
193018.06 31.26c31.58 46.70 44.77k59.68 63.73 62.53 54.13 43.82a31.28 22.68 42.31a
193124.39 29.96a31.65 43.03 48.98a60.03a65.02 62.84 56.88 47.47 31.47 22.42 43.68
193216.27 30.41 31.45 42.17 49.27 56.73 64.45 63.19 56.10 44.12a35.97 19.77 42.49
193319.87 15.73 34.73 38.07 44.44 59.40 62.68 59.23 55.14a44.46d35.04b27.76 41.38
193427.40 33.29 39.85 44.72 56.34 57.85 66.79 65.79 54.45 48.66 34.17 26.73 46.34
193526.60 29.27 29.11 40.85 45.76 58.60 64.47 63.24 56.95 44.71 32.35 26.10 43.17
193622.79 25.36 33.87 44.13 52.76 62.38 66.03 63.61 54.32 45.16 35.76a25.97 44.35
193711.73c22.48 30.00 38.47 52.60 58.66a64.59b65.15 58.02 47.69 36.58 28.56 42.88
193825.66 27.78a32.03 42.40 49.13 59.02 62.12a61.74 57.15 46.10 28.80 27.26 43.27
193924.87 16.96 33.40 43.55 50.44 58.37 64.27 63.84 58.73 44.74 38.18 32.02a44.11
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
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-----z61.50a56.80 44.71 27.72 24.50 43.05g
194918.08 20.38 31.47 41.93 46.77 54.47 62.16 59.83a56.07 42.13 39.27 22.87 41.29
195022.31 29.29 32.26 41.63 45.85d56.45b61.47 60.16 52.33 51.05 36.12 31.94 43.40
195123.90 26.55 31.32 39.92 48.27 53.28a63.35 59.97 53.13 43.08 30.68 20.69 41.18
195221.76 22.93 26.23 42.18 50.05 57.87 63.48 62.27 55.95 47.27 27.80 20.98c41.56
195325.73 23.39 33.18a37.57a44.27c57.72 63.90 59.74 54.97 44.06 34.35 19.48c41.53
195424.89 32.02 29.77c43.73 49.29 55.10a62.85 59.27 56.68 48.45 37.58 24.93a43.72
195520.12b17.59 29.79 38.85 46.85 54.26a61.32 62.67b55.45b47.35 31.88 27.40 41.13
195631.03 21.38 33.37 40.21a50.17a60.70 62.58 59.52a58.15 46.33a29.55b24.60 43.13
195724.83a32.43 32.85d37.73 45.85 -----z61.97 60.36b52.75 43.80a27.68 26.89 40.65a
195823.79 28.80 26.10 37.29a51.74 59.27b61.74 64.10 56.00 46.23 34.72 31.53b43.44
195926.27 24.98a31.52 40.87 47.96c60.30 64.10 61.73 53.73 44.35 33.70 28.60 43.18
196019.05 18.40 33.05 41.58 47.75a59.82 65.89 64.95 59.50 44.48 35.30 24.29 42.84
196124.44 27.36 31.89 40.02 50.66 62.30 64.76 63.39 51.20 43.52 31.18 19.76 42.54
196221.10 27.20 27.02a44.75 48.58 58.75 64.00 63.66 57.42 47.84 37.98 29.26 43.96
196315.60 29.36 32.39 40.50 53.42 57.18 67.26 63.44 59.70 51.44 36.15 25.31 44.31
196421.23 20.40 27.18 37.27 49.47 57.28 66.45 61.66 54.97 48.77 31.73 22.37 41.56
196524.45 23.62 27.76 39.82 46.76 54.56c64.60 61.14b52.33 48.77a38.03 26.82 42.39
196619.50 19.46 35.11 42.45 51.60 58.22c67.72a63.71b56.74a46.48c37.72 24.45a43.60
196721.85 28.86 38.81 38.52i48.45a55.52d66.56f59.69m56.39b47.67k36.85g18.92a38.40e
196821.62c29.36a32.43a37.15c47.33a58.81a64.65d58.53a54.12e47.05b32.09c21.60a42.06
196925.48 23.83b26.31 43.48a52.65 54.89c65.93a65.17d56.62a40.03b32.45 27.62b42.87
197024.70a32.52 29.43a35.10 50.27 56.82b65.20a65.20a52.22a39.73 33.28 24.55 42.42
197122.38a26.96 33.23 40.16a46.52a59.12 65.30a61.76 -----z-----z30.84a21.85a40.81b
197223.66 30.16a40.42a40.97 49.45c59.37d65.78m61.92 54.37c46.31 25.65 20.37 41.15a
197318.73 23.21 28.69 34.88 48.75a56.63 63.23 62.58 52.10 43.91h33.62a24.43a40.62a
197418.65 21.96a35.79 38.72a52.66c63.50 63.19b60.77 54.72a46.96d32.93b23.27a42.76
197518.73 22.83a30.34 36.79a46.36b55.22a63.68 61.23 54.76a46.32a32.28c24.55a41.09
197621.77a30.66 31.98a42.05a50.52c57.83 65.24b61.37a56.29a42.65 34.52a25.82a43.39
197718.71 29.20a31.71 44.43a48.23a62.35 65.68 64.31 56.70 47.62b35.28a29.02 44.44
197823.85a23.64 35.35 42.18b46.74b58.52 65.52b62.22a56.11b48.82a34.45 17.98 42.95
197915.85 21.73 28.92 39.57b48.66 57.88 64.31d61.33b58.53a47.75c26.93 28.15 41.64
198024.45 28.12 28.23 39.08 47.03 60.18 66.43a62.93a56.36a44.85 35.40a33.44 43.88
198131.21 30.61 31.63 45.52 49.00 61.66a65.24 62.79 56.85 43.74 36.26a-----z46.77a
198221.50b24.77 32.95a40.72 47.83a56.81a-----z-----z55.52a42.52j31.65g24.32f40.01e
198325.12b26.91a31.41d35.06d46.33h55.26a63.81 64.81d57.94d46.33b32.39b23.27 42.03a
198419.71 24.78d32.03b37.95a54.65e58.20 66.44 63.37a56.81c38.90 33.33a27.37e42.79
198522.28a23.00 32.88b44.27 49.79g60.41b65.77 64.00c54.04g45.48b30.80 24.17b41.31b
198630.19 31.50b39.17b42.56c49.24d59.33 61.82 64.18a51.58d43.23 32.34b26.66 44.32
198722.38a27.96a30.08a43.68b49.80f59.93b63.37d62.24b55.19c47.87a33.50b23.38a42.69a
198819.25a26.98a32.88c42.63 50.28a61.87d65.13 63.15 54.86b49.53a32.82b25.43b43.73
198920.81 26.45 39.59b47.28e51.71g58.98 65.97b61.70c57.58d44.56 34.62a26.10 43.97a
199022.48b27.17a36.03 44.40a47.83k61.56e64.13d61.76h58.45i45.75i33.22l18.12f42.63f
199119.06 29.57e30.46f41.18e48.85g56.11h64.28f64.66c56.12b47.28b30.38b23.96f41.18e
199220.77e28.46a34.91d46.55b51.00d56.60a61.71b63.08g55.30b47.53a27.13d20.38f43.00b
199325.72h25.37a33.89 41.86h52.22b55.48g63.45a62.89c54.33d43.93a30.10a25.00c43.47c
199426.60a24.54b38.31 42.56c50.93a63.07c65.94e66.28d57.55b43.67d31.19d28.75g46.42a
199525.02d34.65d37.34f39.54c46.60 56.62b64.34c67.74 58.74e46.12c37.76a28.71c45.99a
199623.64c32.10d35.08a42.48c53.78b62.10a67.63d65.62c55.05a44.38c35.67c25.19b45.23
199723.98c26.25d36.40 39.55b52.34b59.05b65.62g64.02f59.48b46.21j34.30e24.57j41.42d
199824.98h24.50e34.83e38.84e50.03l55.33g68.43b65.29e61.34b45.54f34.88f28.66b45.98e
199930.46h32.89e40.77e41.35j48.65k60.22u65.84b63.11c55.12d49.03b40.69d26.38f49.64e
200027.17h31.67e33.27e46.40i54.41h62.71b66.88c67.07d59.16b45.83d28.02f28.24d49.35d
200123.77a28.32i35.34c44.09g54.25g61.56f67.14i63.50e59.14e48.10f32.47k22.20c40.79g
200223.53b26.24c33.33a45.15f51.21c65.52d69.15d65.53l58.30b44.42 35.46c24.50a43.17b
200331.97a29.10b33.62b43.23h53.58a58.55a69.93c65.82a55.15 48.91c31.53 24.54d45.70a
200420.16 22.30a37.75g37.48d43.40f56.07c62.15d55.82f54.83c44.24d32.88 27.45c39.73c
200530.03 29.98 33.68 42.90 51.53 57.20 67.18 61.68 56.73 46.06 34.37 24.07b44.62
200625.95a29.73 32.44 44.30 52.79 61.82 66.23 62.45 51.02 43.15 35.38 25.50 44.23
200721.26 29.04 38.53 43.05 50.52 61.15 66.74 65.44 56.55 45.94 37.53 21.02 44.73
200815.89 23.83 31.68 39.93 48.10 58.18 65.26 63.74 56.20 45.85 36.87 23.13 42.39
200924.98 28.54 37.02 40.62 54.75i-----z-----z-----z56.62 41.63 36.58 18.90 35.61d
201022.50 23.32 32.39 42.40 -----z61.26c66.60 63.66 59.75 48.68 31.65 31.45 43.97a
201121.45 24.61 36.74 42.69a47.84 59.10 67.73a67.66 58.80 46.60 33.97 25.00 44.35
201228.00 27.45 37.77 47.46f53.44 64.75 68.34 67.87 59.35 48.03 39.50j15.20k50.56c
20139.20c7.50e29.61 -----z-----z62.92f66.53 63.47 58.36a41.62a35.72c19.82i39.00d
2014-----z36.07m37.52h-----z-----z61.14s67.08 62.19 60.25 49.89 36.47 28.85 50.79f
201528.65 34.25 40.98 42.13 49.10 62.03 63.94 63.61 60.33 50.53a35.37 26.82a46.48
201625.00 31.10 39.24 43.25 49.95 64.70 66.48 61.69 56.20 49.02a37.37 28.53 46.05
201725.71 32.91 41.37 41.98 48.74 62.47 66.63 62.74 57.12 47.24 40.60 29.79 46.44
201828.90 29.62 35.82 45.37 53.56 62.25 68.61 66.10 60.33 45.97 32.72 23.87 46.09
201923.42 23.80 35.27 45.33 46.05 58.30 66.15 65.85 58.52 41.16 35.12 26.18 43.76
202024.23 28.52 37.39 44.22 52.92 61.35 65.97 67.16 57.45 48.32 36.83 24.52 45.74
202123.71 24.95 34.81 44.05 51.18 63.08 68.71s64.32t60.15 45.60 39.60 28.00a41.51b
202226.10 26.43 35.81 44.67o51.27 60.92 67.42 64.87 60.38 45.83b29.80 26.74 45.05a
202321.85 22.71 28.32 41.43 52.34 56.52 68.81 66.48 57.93 48.82 35.73 29.13 44.17
202425.13 30.28 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z27.70j
Period of Record Statistics
MEAN22.79 26.56 33.27 41.32 49.73 59.20 65.08 63.06 56.31 45.87 33.88 25.45 43.46
S.D.4.10 4.56 3.68 2.71 2.58 2.73 1.95 2.11 2.31 2.57 3.22 3.39 1.43
SKEW-0.30 -1.05 0.22 -0.22 -0.07 0.18 0.10 0.21 -0.13 -0.32 -0.20 0.08 0.36
MAX31.97 34.65 41.37 47.28 56.34 65.52 69.93 67.87 61.34 51.44 40.69 33.44 46.48
MIN9.20 7.50 26.10 34.88 43.48 53.28 61.32 58.53 51.02 38.90 25.65 17.98 41.09
YRS92 94 91 84 79 84 86 89 95 89 91 87 57