CHELAN, WA

Maximum of Maximum Temperature (Degrees Fahrenheit)

(451350)

File last updated on April 17, 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
1891-----z-----z-----z-----z-----z-----z100.00 96.00 87.00 71.00 -----z47.00 -----z
189239.00 -----z63.00 65.00 86.00 98.00 97.00 98.00 86.00 77.00 -----z-----z-----z
189350.00 43.00 53.00 68.00 76.00a86.00 93.00a95.00 88.00 66.00 57.00 48.00 95.00b
189450.00 52.00 58.00 72.00 88.00 86.00 96.00 97.00 89.00 68.00 59.00 47.00a97.00a
189545.00a59.00 59.00 76.00 83.00 95.00 96.00 95.00 86.00 72.00 58.00 53.00 96.00a
189650.00 54.00a68.00 70.00 79.00 97.00 93.00 94.00 88.00 70.00 63.00b50.00 97.00c
189745.00 44.00 55.00 78.00 91.00 87.00 95.00 99.00 82.00 76.00 59.00 50.00 99.00
189840.00 55.00 58.00 72.00 82.00 87.00 97.00 103.00 83.00 -----z60.00 45.00 -----z
189948.00 57.00 60.00 70.00 81.00 86.00 99.00 89.00 85.00 71.00 55.00b52.00 99.00b
190050.00 54.00 62.00 80.00 84.00 93.00 99.00 89.00 85.00 68.00 58.00 57.00 99.00
190148.00 60.00 59.00 -----z83.00 86.00 92.00 95.00 77.00a74.00 58.00 48.00 -----z
190252.00 48.00 59.00 69.00a87.00 88.00 93.00b98.00 90.00 75.00 54.00a46.00 98.00d
190349.00 46.00l56.00a68.00 85.00 96.00 95.00 96.00 80.00 70.00c56.00 46.00 96.00p
190448.00 47.00 54.00 80.00 80.00 95.00 98.00 102.00 93.00a81.00 60.00 48.00a102.00b
190547.00 52.00a65.00a82.00 82.00 87.00 100.00 100.00 88.00 66.00 59.00 46.00 100.00b
190643.00 52.00 63.00 82.00 87.00 93.00 104.00 100.00 90.00 78.00 64.00 49.00a104.00a
190741.00 48.00 59.00 73.00 87.00 92.00a100.00 95.00o92.00 79.00 60.00a48.00b100.00s
190846.00b47.00 65.00 75.00 79.00 95.00 100.00 98.00 91.00 75.00 64.00 46.00 100.00b
190946.00b46.00 64.00a69.00 85.00 88.00 94.00 100.00 95.00 75.00 58.00 39.00a100.00d
191045.00 50.00 64.00 86.00 92.00b90.00 99.00 95.00 86.00 73.00 62.00 45.00 99.00b
191151.00 42.00 74.00a79.00 91.00 90.00 103.00 94.00 90.00b76.00 61.00a42.00a103.00e
191245.00 50.00 70.00 69.00 88.00 96.00 99.00 94.00 88.00 74.00 58.00 54.00a99.00a
191350.00a46.00 57.00 77.00 88.00 92.00 102.00 102.00 86.00 75.00 54.00a43.00 102.00b
191448.00 53.00 64.00 78.00 93.00 94.00 102.00 102.00 90.00 69.00a59.00 39.00 102.00a
191538.00 49.00 68.00 84.00 87.00 97.00 100.00 101.00 88.00a75.00 58.00 45.00 101.00a
191648.00 46.00 58.00 78.00 80.00 94.00 94.00 98.00 94.00 75.00 63.00 47.00 98.00
191747.00 47.00 53.00 69.00 85.00 93.00 105.00 103.00 91.00 83.00 59.00 60.00a105.00a
191851.00 54.00 -----z-----z-----z-----z-----z-----z-----z76.00b57.00 55.00c-----z
191947.00s50.00 71.00a82.00a79.00b88.00b96.00e99.00f86.00a80.00b59.00a44.00j-----z
192059.00 52.00 -----z-----z-----z84.00h100.00d100.00b88.00c67.00d52.00e45.00c-----z
192151.00b46.00a66.00a72.00d85.00k-----z-----z-----z76.00b73.00k61.00 43.00f-----z
192235.00a41.00 53.00 72.00g87.00e95.00 98.00d97.00b91.00f74.00i-----z-----z-----z
1923-----z45.00b63.00 78.00g82.00 92.00 101.00 96.00 90.00a79.00a58.00 45.00a-----z
192441.00 52.00 60.00 76.00 92.00 98.00 102.00 97.00 93.00 75.00 57.00 65.00 102.00
192550.00 53.00 64.00 75.00 86.00 102.00 102.00 101.00 91.00 71.00 55.00 46.00 102.00
192640.00 60.00 70.00 83.00 84.00 101.00 106.00 97.00 87.00 71.00 58.00 58.00 106.00
192747.00 49.00 59.00 76.00 78.00 89.00 102.00 95.00 80.00a68.00 56.00 53.00 102.00a
192856.00 49.00 63.00 73.00 91.00 99.00 105.00 97.00 94.00 76.00 59.00a47.00b105.00c
192935.00 45.00 63.00 76.00 91.00 92.00 99.00 100.00 95.00 76.00 59.00 50.00b100.00b
193044.00 57.00 70.00 75.00 83.00 85.00 102.00 102.00 91.00 74.00 56.00 40.00 102.00
193145.00a51.00 59.00 81.00 87.00 97.00 102.00 98.00 88.00 75.00c59.00 42.00a102.00e
193251.00a59.00a65.00 76.00 80.00 95.00 94.00d98.00a88.00 85.00 60.00 61.00c98.00j
193351.00b53.00c57.00b77.00 80.00 92.00 99.00 100.00a86.00 74.00 63.00 58.00 100.00h
193452.00d55.00 66.00 85.00b89.00a94.00b106.00d100.00b89.00e75.00e58.00 48.00 106.00y
193550.00a48.00 65.00 70.00 83.00 88.00b98.00 94.00 95.00 77.00a58.00b40.00i98.00o
193650.00 53.00 62.00a78.00 90.00 96.00 100.00 95.00 88.00a75.00 52.00 56.00a100.00c
193726.00 42.00 60.00 71.00 85.00 91.00 97.00 97.00 88.00 70.00 60.00c52.00 97.00c
193843.00 42.00 62.00 77.00 86.00 95.00 101.00 94.00 95.00 73.00 55.00a49.00a101.00b
193948.00 49.00 70.00 85.00 87.00 96.00 106.00 97.00 88.00 74.00 57.00 52.00 106.00
194047.00 50.00 68.00 75.00 89.00b96.00 98.00a97.00 88.00 71.00a52.00 50.00 98.00d
194138.00a48.00 68.00a78.00 86.00 90.00 101.00 91.00 75.00 70.00 64.00b56.00a101.00e
194246.00 48.00a65.00a74.00 79.00a94.00 100.00 97.00 90.00 73.00 55.00c46.00 100.00f
194354.00 50.00 64.00 78.00 80.00 89.00 97.00 91.00b89.00 77.00d56.00 56.00a97.00g
194452.00 51.00 68.00 78.00 85.00 92.00a100.00 88.00 92.00a74.00 55.00a45.00 100.00c
194551.00 53.00a63.00a72.00a91.00 93.00 100.00a95.00a88.00 76.00 60.00b47.00a100.00h
194638.00f45.00d60.00i66.00e85.00 92.00 96.00 94.00a81.00 72.00a49.00b56.00d-----z
194746.00b54.00a68.00 82.00 95.00 90.00 95.00a89.00 83.00a74.00a53.00 41.00j95.00p
1948-----z-----z-----z-----z-----z91.00 90.00 89.00a87.00 65.00a52.00 44.00 -----z
194936.00 49.00a55.00a77.00 90.00 95.00 99.00 96.00 95.00 75.00 62.00 56.00 99.00b
195049.00 53.00 56.00 72.00 83.00 91.00 98.00 97.00 92.00 68.00 53.00 47.00 98.00
195155.00 54.00 57.00 76.00 88.00 91.00 97.00 97.00 85.00 73.00 49.00 50.00 97.00
195245.00 47.00 67.00 80.00 89.00 91.00 102.00 100.00 88.00 79.00 56.00 46.00 102.00
195358.00 61.00 63.00 69.00 84.00 81.00 97.00 95.00 89.00 71.00 65.00 52.00 97.00
195448.00 54.00 66.00a64.00 84.00 86.00 93.00 97.00 85.00 70.00 59.00 47.00 97.00a
195547.00 50.00 54.00 71.00b78.00 95.00 96.00 94.00 95.00 68.00 61.00 46.00 96.00b
195648.00 46.00 58.00 71.00 89.00 88.00 99.00 98.00 85.00 74.00 52.00 59.00 99.00
195735.00 57.00 62.00 80.00 91.00 90.00 94.00 92.00 89.00 73.00 57.00 48.00 94.00
195844.00 54.00 55.00 72.00 92.00 102.00 102.00 101.00 88.00 79.00 59.00 55.00 102.00
195954.00 45.00 61.00 72.00 82.00 87.00 102.00a93.00 85.00 73.00 64.00 46.00 102.00a
196045.00 48.00 65.00 73.00 84.00 92.00 103.00 100.00 89.00 80.00 57.00 44.00 103.00
196153.00 61.00 62.00 73.00 87.00 98.00 100.00 99.00 89.00 73.00 54.00 48.00 100.00
196255.00 49.00j62.00 77.00 78.00 89.00 101.00 97.00 90.00 71.00 63.00 43.00 101.00j
196351.00 56.00 62.00 71.00 86.00 93.00 92.00 96.00 91.00 80.00 54.00 44.00 96.00
196445.00 51.00 60.00 68.00 83.00 84.00 96.00 92.00 85.00 68.00 56.00 45.00 96.00
196548.00 57.00 65.00 76.00 88.00 91.00 98.00 101.00 83.00 76.00 62.00 46.00 101.00
196645.00 49.00 69.00 77.00 90.00 88.00 94.00 95.00 94.00 72.00 57.00 49.00 95.00
196753.00 58.00 59.00 68.00 86.00 93.00 95.00 101.00 94.00 68.00 72.00 54.00 101.00
196842.00 56.00 63.00 83.00 85.00a95.00 101.00 98.00 90.00 72.00 56.00 53.00a101.00b
196941.00 49.00 69.00 67.00 85.00a94.00 95.00 94.00 91.00 68.00 60.00 45.00 95.00a
197044.00 49.00 60.00 65.00 88.00 98.00 100.00 98.00 82.00 75.00 55.00 47.00 100.00
197157.00 52.00 61.00 75.00 86.00 88.00 103.00 100.00 85.00 74.00 56.00 43.00 103.00
197250.00 57.00 65.00 68.00 85.00 87.00 93.00 97.00 87.00 75.00 55.00 59.00 97.00
197342.00 58.00 63.00 74.00 88.00 95.00 102.00 100.00 92.00 70.00 52.00 47.00 102.00
197453.00 53.00 63.00 71.00 75.00 94.00 95.00 100.00 97.00 73.00 55.00 49.00 100.00
197551.00a47.00 58.00 72.00 83.00 91.00 100.00 96.00 86.00 75.00 70.00 59.00 100.00a
197645.00 55.00 59.00 68.00 84.00 87.00 99.00 92.00 90.00 79.00 56.00 48.00 99.00
197742.00 63.00 63.00 88.00 77.00 97.00 98.00 105.00 88.00 70.00 57.00 53.00 105.00
197842.00 47.00 68.00 70.00 86.00 94.00 98.00 99.00 81.00 73.00 65.00 48.00 99.00
197938.00 50.00 66.00 81.00 86.00 96.00 103.00 98.00 86.00 80.00 55.00 58.00 103.00
198045.00a52.00 63.00 83.00 80.00 85.00 99.00 95.00 83.00 76.00 58.00 56.00 99.00a
198152.00 59.00 65.00 73.00 82.00 87.00 99.00 102.00a92.00 65.00 59.00 50.00 102.00a
198252.00 57.00 65.00 73.00 82.00 97.00 100.00 93.00 90.00 69.00 56.00 50.00 100.00
198356.00 50.00 59.00 73.00 93.00 89.00 89.00a97.00a84.00 72.00 61.00 38.00 97.00b
198454.00 51.00 63.00a69.00 82.00 92.00 97.00 95.00 87.00 74.00 55.00 35.00a97.00b
198536.00 50.00 -----z77.00 96.00c98.00 106.00 95.00a84.00a71.00b63.00d36.00a-----z
198650.00a59.00a68.00 75.00a92.00 95.00 96.00 98.00 88.00 73.00 59.00a40.00a98.00e
198745.00 47.00 63.00a80.00 89.00 98.00 98.00b100.00 97.00 77.00a63.00 49.00a100.00e
198844.00a61.00 64.00 80.00 86.00 92.00 100.00b96.00a89.00 78.00 58.00 51.00 100.00d
198962.00 49.00a57.00 74.00 81.00 92.00 94.00 96.00 87.00 77.00b72.00a45.00 96.00d
199051.00 59.00 68.00 76.00a85.00 89.00 97.00 99.00b89.00 74.00 66.00 48.00a99.00d
199152.00 55.00 66.00 78.00 76.00 85.00 96.00 96.00 88.00 77.00 54.00a50.00 96.00a
199251.00 51.00 64.00 73.00 91.00 97.00 96.00 96.00 82.00 75.00 56.00 48.00 97.00
199344.00 45.00 59.00 69.00 91.00 86.00 89.00 93.00 91.00 80.00 60.00 45.00 93.00
199448.00 49.00 72.00a75.00 87.00 91.00 102.00 96.00 86.00 75.00 48.00 49.00 102.00a
199539.00 56.00a63.00 73.00 89.00 90.00 97.00 92.00 89.00 66.00 60.00 55.00 97.00a
199648.00 55.00 64.00a72.00 83.00 87.00 99.00 101.00 87.00 76.00 53.00d42.00p101.00u
199744.00a51.00 59.00 65.00 87.00a85.00 94.00 95.00 88.00 70.00 59.00 48.00 95.00b
199842.00 52.00 61.00 77.00 87.00b84.00 100.00 105.00 94.00 79.00 59.00 57.00 105.00b
199950.00 54.00 64.00 80.00 85.00 82.00p94.00h94.00 88.00 73.00 56.00 58.00 94.00x
200046.00 51.00 60.00 76.00 79.00 91.00 99.00 99.00 84.00 73.00 54.00 41.00 99.00
200149.00 46.00 60.00 81.00 95.00 90.00 99.00c102.00 93.00 76.00 55.00 49.00 102.00c
200252.00a55.00 64.00 71.00a81.00 96.00 97.00a96.00a88.00 76.00 56.00a50.00 97.00e
200351.00 53.00 70.00 69.00 83.00 94.00 105.00 101.00 97.00 88.00 59.00 45.00 105.00
200450.00 50.00 66.00 78.00 81.00 96.00 101.00 100.00 94.00 77.00 55.00 52.00 101.00
200544.00 55.00 66.00 86.00 88.00 90.00 99.00 99.00 89.00 73.00 54.00 43.00c99.00c
200651.00 51.00 61.00 76.00 98.00 96.00 103.00 97.00 88.00 78.00 54.00 47.00 103.00
200755.00 52.00a67.00 74.00 84.00 91.00 101.00 97.00 90.00 69.00 63.00 54.00 101.00a
200845.00 51.00 59.00a70.00b85.00 94.00 95.00 101.00e84.00e74.00 56.00m46.00m-----z
200948.00b51.00a58.00 78.00f92.00 89.00 101.00a99.00f92.00e68.00 60.00 41.00b101.00w
201044.00a54.00 62.00 74.00 81.00 84.00 96.00 97.00 81.00a76.00 60.00 43.00 97.00b
201156.00 56.00 56.00 65.00 77.00 85.00 90.00 93.00 91.00 71.00 55.00 52.00 93.00
201250.00 53.00 61.00i75.00i82.00 80.00p95.00a99.00a85.00 78.00 67.00b51.00c-----z
201344.00b51.00 67.00 75.00 92.00 85.00 100.00 96.00c93.00g69.00a62.00l44.00n-----z
201456.00l52.00 60.00 77.00 85.00 83.00 103.00 99.00 88.00 83.00 60.00 48.00b103.00n
201550.00 56.00 68.00 78.00 86.00 110.00 105.00 102.00c94.00 80.00 61.00 50.00 110.00c
201641.00 58.00 70.00 84.00a89.00 99.00 99.00a101.00 86.00 74.00 64.00 51.00 101.00b
201737.00 45.00 60.00 67.00 90.00 95.00 101.00 105.00 95.00 72.00 58.00 38.00 105.00
201846.00 61.00a64.00 81.00 89.00 90.00a101.00b100.00 89.00a70.00 66.00a52.00 101.00f
201946.00 37.00 66.00 74.00 89.00a92.00a97.00 103.00a91.00 71.00 56.00 45.00d103.00g
202054.00 56.00a65.00 76.00a90.00 93.00 101.00b103.00f92.00 82.00 57.00a54.00 103.00k
202149.00a55.00 62.00 82.00b89.00 111.00 109.00 106.00a87.00c75.00 55.00e69.00d111.00p
202241.00 53.00 70.00 68.00 78.00 92.00b103.00 101.00 97.00 82.00 62.00 46.00 103.00b
202342.00a55.00 64.00 86.00 93.00 93.00 99.00 104.00 89.00 79.00 58.00 47.00 104.00a
202446.00 58.00 71.00 81.00m-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN47.12 51.69 62.83 74.94 85.62 92.06 98.69 97.39 88.38 74.01 58.20 48.97 99.89
S.D.5.64 4.87 4.51 5.34 4.64 4.91 3.76 3.61 4.25 4.26 4.20 5.79 3.19
SKEW-0.46 -0.12 -0.06 0.17 0.00 0.67 -0.16 -0.17 -0.38 0.29 0.60 0.45 0.24
MAX62.00 63.00 74.00 88.00 98.00 111.00 109.00 106.00 97.00 88.00 72.00 69.00 110.00
MIN26.00 37.00 53.00 64.00 75.00 81.00 89.00 88.00 75.00 65.00 48.00 35.00 93.00
YRS128 129 127 124 128 127 130 127 130 130 128 124 92