Boise Weather in 1918

Historical record of Boise, Idaho weather for the year 1918 based on NOAA data.
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1918 Boise Weather Extremes
Highest temperature 104 °F July 29
Lowest temperature -7 °F December 31
Highest daily low 70 °F July 31
Lowest daily high 18 °F December 31
Most daily precipitation 1.1 inches September 23
Most daily snow 5.5 inches March 8
Total annual precipitation 12.8 inches -
Total annual snow 19.3 inches -
January 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
53 30 0.00 0.0
50 29 0.00 0.0
42 25 0.00 0.0
41 27 0.23 0.0
47 30 0.02 0.0
47 29 0.00 0.0
50 33 0.21 0.0
45 30 0.00 0.0
39 27 0.00 0.0
29 15 0.00 0.0
30 22 0.16 1.5
34 26 0.40 0.0
40 22 0.00 0.0
38 28 0.38 3.5
39 26 0.12 0.0
36 31 0.21 0.0
41 31 0.03 0.0
44 30 0.08 0.0
40 26 0.00 0.0
35 22 0.00 0.0
36 24 0.00 0.0
37 21 0.00 0.0
46 23 0.00 0.0
50 30 0.00 0.0
44 32 0.10 0.0
38 26 0.01 0.1
40 24 0.00 0.0
38 28 0.00 0.0
43 27 0.02 0.0
38 21 0.08 0.5
27 7 0.00 0.0
February 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
32 12 0.00 0.0
34 16 0.04 0.2
48 25 0.00 0.0
44 34 0.00 0.0
56 35 0.00 0.0
61 35 0.02 0.0
49 33 0.02 0.0
47 22 0.00 0.0
51 28 0.00 0.0
54 26 0.00 0.0
49 27 0.00 0.0
44 30 0.10 0.0
44 28 0.12 0.3
41 21 0.20 2.0
37 16 0.00 0.0
38 26 0.15 1.0
43 31 0.29 1.5
44 21 0.00 0.0
39 17 0.00 0.0
38 18 0.00 0.0
44 25 0.00 0.0
42 27 0.00 0.0
47 26 0.09 0.0
42 28 0.04 0.3
40 19 0.00 0.0
45 32 0.00 0.0
43 23 0.00 0.0
47 22 0.00 0.0
March 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
57 25 0.00 0.0
56 23 0.00 n/a
60 28 0.00 0.0
54 26 0.02 0.2
40 18 0.00 0.0
46 15 0.00 0.0
48 21 0.00 0.0
45 30 0.74 5.5
44 31 0.00 0.0
53 33 0.00 0.0
61 36 0.25 0.0
44 36 0.05 0.0
46 32 0.07 0.0
50 22 0.00 0.0
58 30 0.00 0.0
63 31 0.00 0.0
61 37 0.00 0.0
60 44 0.21 0.0
59 42 0.01 0.0
60 32 0.00 0.0
66 31 0.00 0.0
67 41 0.00 0.0
66 40 0.00 0.0
71 43 0.00 0.0
65 44 0.04 0.0
56 42 0.45 0.0
54 38 0.22 0.0
61 29 0.00 0.0
67 31 0.00 0.0
68 36 0.00 0.0
65 36 0.00 0.0
April 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
52 29 0.00 0.0
46 27 0.00 0.0
44 18 0.00 0.0
45 20 0.00 0.0
58 20 0.00 0.0
65 29 0.00 0.0
68 34 0.00 0.0
75 44 0.00 0.0
70 48 0.36 0.0
63 37 0.00 0.0
68 34 0.00 0.0
71 36 0.00 0.0
57 33 0.16 0.0
51 26 0.06 0.0
50 25 0.00 0.0
57 27 0.00 0.0
56 33 0.00 0.0
61 27 0.00 0.0
68 27 0.00 0.0
67 33 0.00 0.0
73 34 0.00 0.0
76 33 0.00 0.0
73 40 0.00 0.0
74 35 0.00 0.0
68 30 0.00 0.0
60 35 0.00 0.0
65 28 0.00 0.0
70 31 0.00 0.0
78 36 0.00 0.0
79 38 0.00 0.0
May 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
77 41 0.00 0.0
87 37 0.00 0.0
86 45 0.00 0.0
80 48 0.00 0.0
68 41 0.00 0.0
66 35 0.00 0.0
73 34 0.00 0.0
67 42 0.08 0.0
62 29 0.00 0.0
63 33 0.00 0.0
71 36 0.00 0.0
79 36 0.00 0.0
83 38 0.00 0.0
76 53 0.00 0.0
63 33 0.00 0.0
64 45 0.00 0.0
71 38 0.00 0.0
65 43 0.00 0.0
64 31 0.00 0.0
67 38 0.00 0.0
64 27 0.00 0.0
74 28 0.00 0.0
72 35 0.00 0.0
65 35 0.00 0.0
65 27 0.00 0.0
67 36 0.00 0.0
56 40 0.80 0.0
71 44 0.03 0.0
77 40 0.00 0.0
79 43 0.00 0.0
66 41 0.00 0.0
June 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
69 33 0.00 0.0
77 36 0.00 0.0
83 42 0.00 0.0
91 49 0.00 0.0
90 51 0.00 0.0
91 56 0.00 0.0
94 54 0.00 0.0
93 58 0.00 0.0
97 59 0.00 0.0
97 56 0.00 0.0
97 58 0.00 0.0
100 64 0.00 0.0
100 60 0.16 0.0
84 56 0.00 0.0
89 47 0.00 0.0
88 60 0.00 0.0
93 63 0.00 0.0
92 59 0.04 0.0
96 57 0.00 0.0
100 62 0.00 0.0
88 68 0.01 0.0
91 62 0.00 0.0
93 62 0.33 0.0
91 57 0.00 0.0
88 54 0.00 0.0
88 46 0.00 0.0
90 50 0.00 0.0
76 48 0.00 0.0
82 43 0.00 0.0
90 45 0.00 0.0
July 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
97 51 0.00 0.0
94 51 0.00 0.0
81 55 0.00 0.0
90 40 0.00 0.0
95 54 0.00 0.0
90 49 0.00 0.0
96 48 0.00 0.0
91 56 0.06 0.0
92 52 0.21 0.0
85 53 0.00 0.0
95 52 0.00 0.0
93 54 0.00 0.0
94 53 0.00 0.0
91 55 0.00 0.0
96 64 0.00 0.0
98 59 0.00 0.0
102 61 0.00 0.0
100 66 0.00 0.0
94 65 0.00 0.0
87 53 0.00 0.0
84 49 0.00 0.0
98 52 0.00 0.0
85 57 0.00 0.0
79 48 0.00 0.0
83 52 0.02 0.0
80 56 0.00 0.0
81 41 0.00 0.0
94 43 0.00 0.0
104 49 0.00 0.0
94 58 0.00 0.0
100 70 0.00 0.0
August 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
97 62 0.18 0.0
95 60 0.00 0.0
92 57 0.00 0.0
90 51 0.00 0.0
81 53 0.00 0.0
85 47 0.00 0.0
92 50 0.00 0.0
87 51 0.00 0.0
79 47 0.00 0.0
88 48 0.00 0.0
84 55 0.00 0.0
80 42 0.00 0.0
90 43 0.00 0.0
85 61 0.02 0.0
76 61 0.00 0.0
71 52 0.06 0.0
70 51 0.49 0.0
78 42 0.00 0.0
72 48 0.02 0.0
67 35 0.00 0.0
73 39 0.00 0.0
78 43 0.00 0.0
85 46 0.00 0.0
93 48 0.00 0.0
96 51 0.00 0.0
95 56 0.00 0.0
87 52 0.00 0.0
86 38 0.00 0.0
86 41 0.00 0.0
91 45 0.00 0.0
94 43 0.00 0.0
September 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
91 50 0.00 0.0
80 50 0.00 0.0
81 42 0.00 0.0
82 39 0.00 0.0
84 45 0.00 0.0
88 46 0.00 0.0
91 56 0.00 0.0
76 52 0.40 0.0
75 50 0.06 0.0
76 48 0.00 0.0
86 43 0.00 0.0
74 56 0.00 0.0
72 58 0.02 0.0
69 58 0.28 0.0
77 58 0.15 0.0
81 53 0.00 0.0
86 46 0.00 0.0
84 48 0.00 0.0
89 47 0.00 0.0
93 46 0.00 0.0
87 52 0.00 0.0
74 54 0.10 0.0
58 50 1.15 0.0
67 43 0.00 0.0
72 40 0.00 0.0
76 43 0.00 0.0
81 44 0.00 0.0
88 54 0.00 0.0
72 56 0.09 0.0
73 46 0.20 0.0
October 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
77 44 0.00 0.0
75 46 0.00 0.0
71 54 0.08 0.0
74 46 0.26 0.0
70 56 0.06 0.0
62 45 0.39 0.0
65 38 0.00 0.0
70 38 0.00 0.0
72 38 0.00 0.0
71 41 0.00 0.0
76 43 0.00 0.0
78 42 0.00 0.0
80 41 0.00 0.0
79 51 0.00 0.0
67 55 0.33 0.0
61 47 0.27 0.0
58 36 0.00 0.0
60 34 0.00 0.0
62 33 0.00 0.0
68 36 0.00 0.0
63 35 0.00 0.0
59 36 0.00 0.0
50 25 0.00 0.0
56 31 0.00 0.0
53 30 0.00 0.0
57 33 0.00 0.0
52 38 0.30 0.0
58 42 0.00 0.0
59 42 0.00 0.0
63 30 0.00 0.0
60 34 0.00 0.0
November 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
62 34 0.00 0.0
63 29 0.00 0.0
53 46 0.00 0.0
51 36 0.00 0.0
47 31 0.00 0.0
51 29 0.00 0.0
48 22 0.00 0.0
53 22 0.00 0.0
49 35 0.01 0.0
54 34 0.00 0.0
56 26 0.01 0.0
57 34 0.00 0.0
51 25 0.00 0.0
55 25 0.00 0.0
52 35 0.12 0.0
51 34 0.00 0.0
56 31 0.00 0.0
51 31 0.00 0.0
51 28 0.00 0.0
51 24 0.00 0.0
50 23 0.00 0.0
44 23 0.00 0.0
47 21 0.00 0.0
35 28 0.00 0.0
39 17 0.00 0.0
41 16 0.00 0.0
38 22 0.00 0.0
37 19 0.00 0.0
44 22 0.00 0.0
46 20 0.00 0.0
December 1918 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
41 17 0.00 0.0
36 26 0.00 0.0
48 21 0.00 0.0
47 26 0.00 0.0
43 30 0.00 0.0
55 29 0.00 0.0
45 23 0.00 0.0
50 26 0.00 0.0
45 32 0.00 0.0
44 19 0.00 0.0
36 27 0.01 0.1
40 21 0.00 0.0
48 33 0.02 0.0
52 31 0.00 0.0
44 33 0.08 0.0
41 21 0.00 0.0
36 17 0.00 0.0
28 19 0.00 0.0
35 25 0.00 0.0
33 25 0.15 2.0
31 15 0.00 0.0
30 8 0.00 0.0
28 7 0.00 0.0
23 3 0.00 0.0
25 3 0.00 0.0
21 2 0.00 0.0
24 13 0.00 0.0
22 5 0.00 0.0
26 12 0.04 0.5
31 7 0.00 0.0
18 -7 0.00 0.0
Weather Station Details
Years Station Coordinates
1940–2023 location
1911–1939 Meridian 1 W location