Napa Weather in 1917

Historical record of Napa, California weather for the year 1917 based on NOAA data.
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1917 Napa Weather Extremes
Highest temperature 107 °F July 21
Lowest temperature 23 °F February 1
Highest daily low 67 °F June 14
Lowest daily high 43 °F December 21
Most daily precipitation 1.7 inches February 21
Total annual precipitation 10.8 inches -
Highest Temperatures in Napa in 1917
Rank Temperature Date
1 107 °F Jul 21
1 107 °F Jul 20
3 105 °F Jul 22
4 103 °F Oct 3
5 102 °F Sep 15
5 102 °F Jun 15
7 101 °F Jun 19
8 100 °F Sep 28
8 100 °F Sep 16
8 100 °F Jul 23
8 100 °F Jun 18
Lowest Temperatures in Napa in 1917
Rank Temperature Date
1 23 °F February 1
2 27 °F December 15
2 27 °F February 18
2 27 °F February 2
5 28 °F February 28
6 29 °F December 13
6 29 °F March 31
6 29 °F March 16
6 29 °F March 15
6 29 °F March 14
6 29 °F March 7
January 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
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February 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
54 23 0.00
62 27 0.00
67 31 0.00
70 31 0.00
70 34 0.00
72 34 0.00
71 31 0.00
70 31 0.00
55 39 0.00
57 34 0.00
59 39 0.36
69 39 0.00
68 35 0.00
69 34 0.00
76 49 0.00
51 37 0.10
54 30 0.00
53 27 0.00
52 41 0.29
56 45 0.13
56 46 1.72
56 40 0.27
54 46 0.41
57 50 1.49
57 40 0.89
57 41 0.53
59 31 0.00
59 28 0.00
March 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
59 36 0.00
63 31 0.00
65 30 0.00
64 30 0.00
67 40 0.00
66 41 0.00
63 29 0.00
61 31 0.00
55 36 0.62
55 30 0.01
53 30 0.07
57 34 0.00
55 42 0.50
56 29 0.00
57 29 0.00
62 29 0.00
64 34 0.00
65 33 0.00
64 32 0.00
65 32 0.00
63 43 0.00
63 34 0.00
66 30 0.00
72 32 0.00
72 38 0.00
76 36 0.00
77 n/a 0.00
74 47 0.00
53 48 0.08
61 31 0.00
60 29 0.00
April 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
62 40 0.00
66 41 0.01
78 34 0.00
79 40 0.00
79 38 0.00
77 39 0.00
74 39 0.00
63 44 0.01
64 32 0.00
65 34 0.00
58 51 0.26
65 40 0.21
65 56 0.00
62 40 0.00
65 38 0.00
60 30 0.00
61 32 0.00
65 32 0.00
67 30 0.00
68 38 0.00
76 50 0.00
62 54 0.35
73 55 0.08
75 48 0.00
79 44 0.00
77 41 0.00
78 47 0.00
80 49 0.00
73 39 0.00
67 39 0.00
May 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
67 35 0.00
67 39 0.00
65 38 0.00
73 34 0.00
81 38 0.00
77 51 0.00
79 40 0.00
67 54 0.00
63 45 0.00
71 50 0.49
60 47 0.00
69 48 0.00
72 39 0.00
66 34 0.00
65 34 0.00
71 36 0.00
68 48 0.02
65 34 0.00
69 38 0.00
77 38 0.00
76 40 0.00
72 39 0.00
69 46 0.00
68 48 0.00
66 43 0.00
68 42 0.00
73 41 0.00
63 48 0.00
62 48 0.00
68 49 0.00
82 44 0.00
June 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
74 50 0.00
78 45 0.00
75 41 0.00
72 41 0.00
73 46 0.00
70 44 0.00
76 50 0.00
75 45 0.00
77 45 0.00
75 38 0.00
79 38 0.00
91 66 0.00
91 66 0.00
93 67 0.00
102 42 0.00
97 54 0.00
94 48 0.00
100 48 0.00
101 52 0.00
98 n/a 0.00
91 47 0.00
85 66 0.00
87 48 0.00
84 44 0.00
83 46 0.00
79 41 0.00
87 43 0.00
86 45 0.00
80 43 0.00
96 45 0.00
July 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
98 50 0.00
90 51 0.00
77 52 0.00
84 53 0.00
77 51 0.00
80 52 0.00
78 52 0.00
75 48 0.00
81 50 0.00
99 46 0.00
95 49 0.00
86 49 0.00
83 51 0.00
84 55 0.00
84 54 0.00
81 55 0.00
83 52 0.00
89 53 0.00
98 47 0.00
107 51 0.00
107 50 0.00
105 56 0.00
100 51 0.00
97 48 0.00
87 54 0.00
79 50 0.00
81 44 0.00
81 48 0.00
77 51 0.00
93 45 0.00
89 66 0.00
August 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
79 54 0.00
78 55 0.00
79 55 0.00
81 49 0.00
80 51 0.00
85 42 0.00
85 52 0.00
78 49 0.00
76 47 0.00
79 49 0.00
76 46 0.00
78 47 0.00
78 56 0.00
77 51 0.00
76 49 0.00
74 50 0.00
80 52 0.00
81 50 0.00
79 53 0.00
85 55 0.00
83 50 0.00
86 53 0.00
80 66 0.00
80 55 0.00
80 56 0.00
81 50 0.00
78 52 0.00
76 53 0.00
79 50 0.00
76 51 0.00
75 51 0.00
September 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
73 52 0.00
77 52 0.00
79 40 0.00
76 50 0.00
81 43 0.00
79 48 0.00
80 52 0.00
84 43 0.00
88 55 0.00
85 60 0.00
86 46 0.00
81 45 0.00
82 47 0.00
92 44 0.00
102 51 0.00
100 52 0.00
98 49 0.00
96 46 0.00
87 46 0.00
75 40 0.00
60 44 0.00
70 40 0.09
74 42 0.00
82 41 0.00
94 48 0.00
91 49 0.00
96 47 0.00
100 51 0.00
92 50 0.00
71 51 0.00
October 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
80 43 0.00
93 41 0.00
103 50 0.00
84 53 0.00
77 53 0.00
78 66 0.00
91 46 0.00
74 47 0.00
73 49 0.00
81 45 0.00
76 45 0.00
71 47 0.00
67 49 0.00
69 48 0.00
67 53 0.00
70 44 0.00
77 39 0.00
80 46 0.00
81 38 0.00
86 39 0.00
90 41 0.00
88 40 0.00
75 n/a 0.00
75 40 0.00
92 47 0.00
90 49 0.00
70 41 0.00
69 42 0.00
73 33 0.00
76 32 0.00
81 36 0.00
November 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
79 39 0.00
76 40 0.00
70 54 0.01
73 49 0.00
60 52 0.19
64 35 0.00
58 35 0.00
65 50 0.00
65 40 0.00
68 51 0.07
67 48 0.00
67 39 0.20
73 37 0.00
74 42 0.00
71 34 0.00
70 33 0.00
72 33 0.00
75 34 0.00
75 32 0.00
75 31 0.00
77 31 0.00
70 36 0.00
61 51 0.00
67 40 0.00
52 44 0.00
65 44 0.00
72 32 0.00
67 34 0.00
65 31 0.00
61 49 0.00
December 1917 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
59 48 0.45
60 36 0.00
58 35 0.00
65 37 0.00
65 32 0.00
66 30 0.00
74 34 0.00
69 30 0.00
68 30 0.00
68 30 0.00
69 32 0.00
66 34 0.00
67 29 0.00
64 30 0.00
63 27 0.00
60 45 0.12
59 52 0.05
61 49 0.00
59 43 0.00
58 43 0.00
43 36 0.00
53 32 0.00
50 40 0.00
60 47 0.00
53 47 0.34
61 51 0.27
69 54 0.04
75 30 0.00
55 40 0.03
56 46 0.00
57 44 0.00
Weather Station Details
Years Station Coordinates
1999–2024 Napa County Airport location
1901–1998 Napa State Hospital location