Napa County, CA

10:24 PM PDT on May 22, 2018 (GMT -0700)
Napa County

Weather History for KAPC - September, 2013

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 81 °F 71 °F
Mean Temperature 73 °F 66 °F 60 °F
Min Temperature 63 °F 51 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 5 1 0 28
Cooling Degree Days (base 65) 8 2 0 62
Growing Degree Days (base 50) 24 16 8 480
Dew Point  
Dew Point 63 °F 52 °F 31 °F
Precipitation  
Precipitation 0.82 in 0.03 in 0.00 in 0.84 in
Snowdepth - - - -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 41 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.10 in 29.88 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 10, 2013 Rise Set
Actual Time 6:46 AM PDT 7:24 PM PDT
Civil Twilight 6:20 AM PDT 7:51 PM PDT
Nautical Twilight 5:48 AM PDT 8:22 PM PDT
Astronomical Twilight 5:16 AM PDT 8:54 PM PDT
Moon 12:12 PM PDT (9/10) 10:37 PM PDT (9/10)
Length of Visible Light 13h 30m
Length of Day
12h 37m
Waxing Crescent, 29% of the Moon is Illuminated
Sep 10
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 84 71 57 60 56 52 86 62 37 29.91 29.88 29.84 10 10 10 21 11 31 0.00  
2 83 72 61 61 60 57 93 69 45 29.93 29.88 29.84 10 10 10 21 11 25 0.00  
3 84 68 52 57 54 50 93 63 33 29.96 29.92 29.89 10 10 10 21 8 24 0.00 Fog
4 85 67 48 57 53 47 96 65 34 30.00 29.96 29.89 10 7 0 22 8 25 0.00 Fog
5 84 68 52 56 54 51 93 63 32 29.97 29.94 29.90 10 10 10 17 8 22 0.00  
6 91 70 48 55 49 45 93 58 23 29.96 29.89 29.80 10 10 10 14 4 17 0.00  
7 96 73 49 60 51 43 84 50 16 29.86 29.81 29.76 10 10 10 16 5 18 0.00  
8 86 68 50 59 56 52 100 69 37 29.87 29.80 29.72 10 9 1 12 5 14 0.00  
9 86 69 51 60 57 50 97 69 40 29.79 29.73 29.67 10 10 10 16 7 21 0.00  
10 74 64 54 60 57 54 93 77 61 29.88 29.79 29.71 10 10 10 28 13 35 0.00  
11 79 71 63 59 57 56 78 64 50 29.98 29.93 29.87 10 10 10 22 12 22 0.00  
12 79 68 57 61 57 54 90 69 48 29.97 29.90 29.84 10 10 6 20 9 22 0.00  
13 77 67 56 58 55 54 93 72 50 29.90 29.84 29.72 10 10 10 20 9 29 0.00  
14 79 66 53 58 54 52 93 70 47 29.82 29.76 29.69 10 10 10 18 9 33 0.00  
15 83 66 49 59 54 50 100 69 37 29.83 29.79 29.75 10 10 9 22 12 26 0.00  
16 80 66 52 59 55 51 100 71 42 29.89 29.82 29.74 10 7 0 21 8 35 0.00 Fog
17 80 67 54 54 52 49 86 62 37 29.86 29.80 29.77 10 10 10 23 11 29 0.00  
18 85 66 47 51 47 43 93 58 23 29.89 29.83 29.77 10 10 10 18 6 23 0.00  
19 88 67 45 56 48 40 93 56 19 29.86 29.79 29.71 10 10 2 14 5 16 0.00  
20 80 61 42 61 53 43 100 73 45 29.82 29.78 29.75 10 9 2 23 11 29 0.00  
21 71 62 53 61 59 51 100 79 57 29.87 29.81 29.77 10 8 0 22 11 25 0.82 Fog , Rain
22 74 60 45 53 49 45 100 72 44 29.98 29.93 29.88 10 7 0 20 4 41 0.00 Fog
23 81 66 50 58 54 48 96 68 39 30.01 29.95 29.89 10 10 10 18 5 21 0.00  
24 80 66 52 56 51 46 93 64 35 29.95 29.89 29.84 10 10 10 29 14 36 0.00  
25 74 62 49 49 45 40 83 57 31 29.91 29.85 29.78 10 10 10 30 8 37 0.00  
26 78 61 43 45 38 31 80 50 19 29.96 29.87 29.82 10 10 10 17 8 23 0.00  
27 78 63 48 41 35 32 64 43 21 30.07 30.02 29.97 10 10 10 17 9 33 0.00  
28 81 63 45 55 43 33 86 53 19 30.06 30.02 29.97 10 10 10 22 9 - 0.00  
29 73 63 53 61 57 51 93 77 61 30.10 30.05 30.01 10 10 10 17 9 21 T  
30 72 63 54 63 60 44 100 81 62 30.06 30.02 29.94 10 10 7 15 9 26 0.02