LEWISTON AP, ID

Average of Maximum Temperature (Degrees Fahrenheit)

(105241)

File last updated on April 19, 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
194839.48 42.24 49.32 58.03 65.97 80.87 83.00 83.35 77.40 63.74 46.83 34.84 60.42
194922.87 41.21 53.29 67.50 74.19 80.60 87.87 88.81 79.07 58.52 53.77 40.94 62.39
195024.61 42.14 49.16 58.93 68.81 74.97 87.71 89.74 79.80 63.06 50.23 46.61 61.32
195139.94 46.25 49.42 67.43 71.94 77.67 91.13 87.32 79.33 59.48 47.37 36.58 62.82
195235.68 45.38 51.87 67.57 71.58 75.93 89.42 87.81 81.60 70.97 44.37 41.81 63.66
195350.13 48.25 54.42 61.23 67.13 72.13 89.32 86.35 82.77 66.84 52.13 45.65 64.70
195439.65 49.11 50.81 60.53 73.16 73.37 87.55 81.06 75.73 62.52 52.73 41.77 62.33
195537.90 42.64 45.35 56.20 65.52 80.40 85.03 89.32 76.90 62.19 39.97 38.13 59.96
195639.23 35.69 51.32 66.40 72.23 75.50 90.55 85.87 78.13 59.61 43.20 43.65 61.78
195724.81 42.71 52.81 62.23 71.74 78.93 86.58 84.45 81.80 59.00 47.10 46.55 61.56
195844.26 52.07 51.13 59.33 79.16 81.20 91.39 92.68 75.63 65.97 48.43 45.03 65.52
195942.81 43.21 53.61 62.63 66.29 78.80 90.71 83.10 70.77 61.32 45.93 41.81 61.75
196033.29 44.66 53.55 61.83 67.06 81.40 95.16 81.39 79.57 63.10 48.50 37.03 62.21
196141.90 49.61 53.65 60.63 68.68 86.90 92.32 94.71 73.27 60.23 44.67 40.16 63.89
196239.97 45.11 51.39 66.47 64.45 78.93 87.32 83.65 78.63 61.00 50.03 42.77 62.48
196331.58 48.89 55.52 59.40 73.19 76.80 84.68 88.71 84.40 67.45 50.57 38.55 63.31
196443.29 46.45 51.39 58.67 69.61 76.03 86.68 82.03 73.93 64.13 45.03 38.61 61.32
196539.52 47.93 51.97 63.07 69.55 79.07 89.55 85.68 72.20 69.10 51.67 43.35 63.55
196642.84 45.75 54.55 63.30 75.48 76.93 87.65 88.32 82.57 63.06 50.63 45.74 64.74
196745.71 50.68 51.35 57.03 70.48 81.77 92.39 96.35 84.37 64.29 48.80 39.81 65.25
196841.74 50.66 57.68 60.20 70.65 78.47 92.23 82.52 74.50 60.90 48.60 37.10 62.94
196929.65 41.18 54.77 62.07 74.77 82.73 88.06 87.39 76.33 57.61 48.07 39.16 61.82
197039.81 50.21 52.29 56.53 71.94 83.23 90.68 91.84 70.40 60.77 49.57 40.45 63.14
197142.19 47.39 49.74 61.50 72.87 73.70 90.71 94.42 71.87 60.10 46.47 40.26 62.60
197239.29 45.10 56.97 57.73 74.16 79.63 88.29 90.55 73.10 62.48 48.30 36.35 62.66
197339.65 47.54 55.74 63.07 75.35 81.27 94.00 90.42 77.57 62.35 45.67 45.10 64.81
197436.35 48.96 54.45 60.67 67.84 85.93 88.35 89.00 82.20 65.77 49.93 44.16 64.47
197540.16 42.46 49.77 56.00 69.42 75.00 91.48 83.68 82.33 60.10 48.23 42.97 61.80
197643.77 45.90 50.74 61.53 73.26 75.57 88.29 82.97 83.33 66.19 50.63 41.68 63.66
197734.32 50.32 51.06 70.13 67.00 86.40 87.06 91.71 71.63 60.23 46.20 41.32 63.12
197839.68 46.14 56.84 59.17 66.06 80.93 88.97 83.55 72.70 65.65 41.80 34.45 61.33
197922.48 41.89 55.94 59.47 70.87 81.20 91.45 89.19 83.83 66.32 43.60 46.55 62.73
198035.13 46.07 51.06 66.63 69.39 74.57 88.10 83.42 77.00 63.87 48.37 46.32 62.49
198143.87 47.79 57.35 62.23 67.58 73.63 86.42 94.52 79.87 58.84 51.90 41.84 63.82
198237.97 44.43 53.03 58.27 69.58 81.87 86.81 89.23 76.87 61.23 45.90 40.29 62.12
198347.29 50.54 55.94 61.17 72.94 78.17 83.94 92.00 74.43 64.55 51.17 31.45 63.63
198443.19 49.28 56.19 59.53 68.03 76.67 91.52 89.74 74.47 58.77 48.87 36.68 62.74
198532.90 40.25 52.87 65.77 73.03 80.63 96.71 83.23 66.83 58.55 35.10 27.87 59.48
198645.71 45.57 58.13 61.60 72.03 84.80 82.58 93.00 69.77 66.61 46.27 40.26 63.86
198738.32 48.64 55.29 69.67 74.19 84.00 83.71 87.06 83.80 69.03 51.40 39.23 65.36
198838.94 50.90 53.97 64.47 71.16 78.77 89.13 89.26 78.10 71.55 49.10 40.39 64.64
198942.13 33.07 53.94 67.37 70.71 81.07 88.68 83.16 79.77 64.94 54.03 43.74 63.55
199047.19 48.29 59.13 68.03 69.32 78.83 91.97 88.58 88.00 62.32 53.50 37.84 66.08
199140.87 56.89 54.68 63.47 67.52 71.43 86.87 90.32 80.07 62.39 46.33 43.84 63.72
199244.42 49.69 60.87 64.77 77.74 84.87 85.61 88.39 75.07 64.77 46.23 38.42 65.07
199332.35 40.25 55.42 59.43 75.32 75.30 76.74 83.74 79.63 65.48 43.73 40.94 60.70
199446.97 43.32 58.48 64.30 73.48 79.83 92.84 89.77 81.43 62.45 43.87 40.00 64.73
199541.39 49.14 53.94 59.50 71.03 74.47 87.60f83.81 79.63 57.77 51.93 39.71 60.21a
199639.87 42.50a51.87 61.40 63.97 76.47 91.10 88.71 74.17 61.55 47.40 40.29 61.61
199739.90 44.89 52.97 58.27 73.16 74.53 85.32 90.81 79.17 62.06 50.33 39.58 62.58
199843.26 50.04 54.61 61.37 69.00 77.23 93.23 92.23 82.73 60.16 49.53 40.48 64.49
199942.90 47.39 53.55 59.90 67.00 75.50 86.87 89.10 79.07 63.19 53.63 41.26 63.28
200041.35 47.14 53.29 66.13 70.23 79.50 88.35 88.87 71.90 59.10 40.63 37.77 62.02
200139.45 44.25 56.03 58.03 73.87 75.80 87.06 92.39 82.83 61.39 51.20 40.29 63.55
200242.42 47.14 48.39 60.70 68.81 79.90 92.29 84.97 77.63 59.81 49.60 43.55 62.93
200345.00 45.82 54.74 59.80 68.58 82.90 95.35 90.42 80.20 67.00 46.83 42.26 64.91
200439.65 47.52 60.45 66.73 68.65 80.97 92.81 89.52 75.57 63.48 48.57 43.87 64.81
200544.16 49.79 58.61 63.47 71.55 75.93 92.23 90.90 76.57 63.94 46.47 37.35 64.25
200648.42 46.54 54.06 62.17 74.03 80.57 95.65 89.58 79.73 62.19 50.33 41.84 65.43
200737.58 46.57 58.39 62.97 73.65 80.37 95.77 88.71 78.63 62.77 47.37 41.39 64.51
200839.71 48.97 51.42 58.73 73.10 78.90 90.35 88.55 80.00 64.29 51.30 36.48 63.48
200939.26 47.79 48.77 61.33 73.45 79.90 91.61 88.26 83.10 58.61 49.00 35.52 63.05
201046.81 50.68 56.68 62.00 65.68 74.13 89.16 87.52 77.50 63.00 45.53 41.42 63.34
201142.87 42.29 53.68 54.83 65.58 73.87 85.58 91.29 85.37 62.00 48.47 40.26 62.17
201243.84 47.03 53.16 63.83 69.39 77.13 92.58 94.00 83.87 63.29 51.93 43.35 65.28
201339.52 48.79 57.48 61.33 74.55 80.23 95.42 92.29 79.17 61.03 45.33 37.52 64.39
201440.81 39.89 55.32 62.63 74.81 79.13 96.32 90.81 81.93 69.03 47.70 43.61 65.17
201543.87 52.18 59.81 64.20 76.74 89.80 93.19 90.87 77.17 70.35 46.83 42.65 67.31
201643.65 53.03 56.90 69.73 73.87 83.13 87.19 90.77 76.60 61.10 54.80 34.65 65.45
201731.45 44.32 54.00 59.67 72.13 81.40 95.32 93.23 78.69a61.71 50.43 36.06 63.20
201845.87 45.79 55.81 62.83 76.61 79.23 93.61 89.97 77.57 62.74 50.07 42.53a65.22
201943.16 35.29 47.87 62.60 75.52 81.23 88.97 91.32 76.63 57.90 46.77 43.90 62.60
202045.94 49.41 54.10 64.63 72.03 76.93 89.52 90.55 82.20 64.35 49.40 43.58 65.22
202145.03 41.43 56.71 67.07 74.68 90.53 97.65 89.23 80.03 64.58 53.20 40.26 66.70
202240.58 46.57 56.68 57.43 66.03 78.03 93.42 95.58 82.50 68.81 43.87 37.68 63.93
202342.68 47.50 52.10 62.57 79.58 84.27 95.35 90.61 78.50 65.16 48.43 46.58 66.11
202439.32 48.83 57.03 63.00l-----z-----z-----z-----z-----z-----z-----z-----z48.39i
Period of Record Statistics
MEAN40.07 46.25 53.98 62.09 71.18 79.19 89.85 88.66 78.31 63.05 48.18 40.58 63.45
S.D.5.59 4.08 3.11 3.48 3.52 3.89 3.84 3.63 4.14 3.26 3.50 3.59 1.58
SKEW-1.29 -0.68 -0.13 0.34 0.04 0.50 -0.36 -0.27 -0.33 0.57 -0.79 -0.66 -0.07
MAX50.13 56.89 60.87 70.13 79.58 90.53 97.65 96.35 88.00 71.55 54.80 46.61 67.31
MIN22.48 33.07 45.35 54.83 63.97 71.43 76.74 81.06 66.83 57.61 35.10 27.87 59.48
YRS77 77 77 76 76 76 75 76 76 76 76 76 75