Weather History for Napa County, CA

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 77 °F 71 °F
Mean Temperature 74 °F 66 °F 61 °F
Min Temperature 61 °F 54 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 4 1 0 20
Cooling Degree Days (base 65) 9 2 0 51
Growing Degree Days (base 50) 24 15 10 478
Dew Point  
Dew Point 61 °F 54 °F 47 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 67 mph 10 mph 0 mph
Gust Wind 68 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.89 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 11, 2013 Rise Set
Actual Time 5:55 AM PDT 8:33 PM PDT
Civil Twilight 5:24 AM PDT 9:04 PM PDT
Nautical Twilight 4:45 AM PDT 9:42 PM PDT
Astronomical Twilight 4:02 AM PDT 10:26 PM PDT
Moon 9:15 AM PDT (7/11) 10:20 PM PDT (7/11)
Length of Visible Light 15h 39m
Length of Day
14h 38m
Waxing Crescent, 11% of the Moon is Illuminated
Jul 11
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 0.02
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
91 | 56 0.00
Average:
84 | 53 0.00
Clear
Actual:
83 | 60 0.00
Average:
82 | 53 0.00
Clear
Actual:
90 | 58 0.00
Average:
82 | 53 0.00
Clear
Actual:
84 | 61 0.00
Average:
83 | 53 0.00
Scattered Clouds
Actual:
72 | 57 0.00
Average:
83 | 53 0.00
Partly Cloudy
Actual:
71 | 56 0.00
Average:
81 | 52 0.00
Partly Cloudy
Actual:
77 | 52 0.00
Average:
81 | 53 0.00
Partly Cloudy
Actual:
77 | 52 0.00
Average:
82 | 53 0.02
Fog
Actual:
89 | 51 0.00
Average:
81 | 53 0.00
Scattered Clouds
Actual:
78 | 52 0.00
Average:
82 | 55 0.00
Partly Cloudy
Actual:
72 | 51 0.00
Average:
82 | 54 0.00
Partly Cloudy
Actual:
74 | 53 0.00
Average:
84 | 54 0.00
Scattered Clouds
Actual:
77 | 49 0.00
Average:
85 | 55 0.00
Scattered Clouds
Actual:
74 | 48 0.00
Average:
84 | 55 0.00
Partly Cloudy
Actual:
72 | 51 0.00
Average:
84 | 54 0.00
Partly Cloudy
Actual:
74 | 55 0.00
Average:
82 | 54 0.00
Partly Cloudy
Actual:
78 | 51 0.00
Average:
82 | 55 0.00
Partly Cloudy
Actual:
79 | 53 0.00
Average:
83 | 54 0.00
Partly Cloudy
Actual:
77 | 56 0.00
Average:
83 | 55 0.00
Partly Cloudy
Actual:
75 | 56 0.00
Average:
82 | 54 0.00
Scattered Clouds
Actual:
75 | 54 0.00
Average:
81 | 54 0.00
Scattered Clouds
Actual:
77 | 55 0.00
Average:
82 | 54 0.00
Scattered Clouds
Actual:
77 | 60 0.00
Average:
81 | 54 0.00
Clear
Actual:
82 | 55 0.00
Average:
81 | 54 0.00
Clear
Actual:
76 | 54 0.00
Average:
82 | 54 0.00
Partly Cloudy
Actual:
77 | 53 0.00
Average:
83 | 53 0.00
Partly Cloudy
Actual:
75 | 54 0.00
Average:
81 | 54 0.00
Partly Cloudy
Actual:
72 | 54 0.00
Average:
79 | 54 0.00
Partly Cloudy
Actual:
71 | 55 0.00
Average:
81 | 54 0.00
Partly Cloudy
Actual:
74 | 54 0.00
Average:
82 | 54 0.00
Partly Cloudy
Actual:
73 | 54 0.00
Average:
83 | 54 0.00
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 91 74 56 60 58 55 93 65 37 29.81 29.79 29.77 10 10 10 16 5 22 0.00  
2 83 72 60 61 58 57 84 64 43 29.89 29.85 29.80 10 10 10 24 10 29 0.00  
3 90 74 58 61 58 55 93 66 39 29.91 29.81 29.73 10 10 10 20 8 35 0.00  
4 84 73 61 61 58 50 87 65 43 29.76 29.70 29.63 10 10 10 18 9 33 0.00  
5 72 65 57 54 52 47 86 69 52 29.77 29.71 29.65 10 10 8 23 16 29 0.00  
6 71 64 56 54 53 52 86 71 55 29.81 29.76 29.71 10 9 7 18 14 50 0.00  
7 77 65 52 56 53 51 93 71 49 29.85 29.80 29.75 10 10 7 18 7 22 0.00  
8 77 65 52 57 53 50 93 72 50 29.95 29.90 29.85 10 10 10 21 8 40 0.00  
9 89 70 51 59 53 49 100 66 31 30.04 29.98 29.88 10 7 0 14 7 17 0.00 Fog
10 78 65 52 56 52 49 93 70 47 29.98 29.93 29.86 10 10 10 21 10 24 0.00  
11 72 62 51 55 51 48 93 73 53 29.95 29.90 29.84 10 10 8 23 12 29 0.00  
12 74 64 53 55 52 50 86 70 53 29.95 29.89 29.83 10 10 9 67 10 68 0.00  
13 77 63 49 56 52 47 93 68 43 29.96 29.91 29.86 10 10 8 15 8 17 0.00  
14 74 61 48 55 52 47 96 75 53 30.00 29.93 29.86 10 9 6 17 8 21 0.00  
15 72 62 51 54 51 48 96 75 53 29.93 29.88 29.80 10 10 10 21 12 25 0.00  
16 74 65 55 56 52 50 86 66 46 30.00 29.93 29.85 10 10 10 22 12 31 0.00  
17 78 65 51 57 54 51 93 72 50 30.10 30.03 29.99 10 10 10 18 8 22 0.00  
18 79 66 53 57 54 50 93 69 45 30.06 29.99 29.90 10 9 1 17 8 21 0.00  
19 77 67 56 58 55 53 93 73 53 29.95 29.88 29.79 10 9 7 18 10 24 0.00  
20 75 66 56 55 54 53 93 73 53 29.85 29.79 29.71 10 8 6 20 11 23 0.00  
21 75 65 54 57 53 51 93 71 49 29.86 29.79 29.74 10 10 8 26 10 26 0.00  
22 77 66 55 58 55 52 93 72 50 29.95 29.91 29.87 10 10 10 23 9 30 0.00  
23 77 69 60 59 57 54 84 69 54 29.98 29.94 29.92 10 10 10 16 8 23 0.00  
24 82 69 55 58 55 52 86 64 42 29.97 29.92 29.87 10 10 10 16 8 20 0.00  
25 76 65 54 56 54 51 86 68 50 29.99 29.94 29.90 10 10 10 18 9 21 0.00  
26 77 65 53 57 53 50 93 74 54 30.10 30.02 29.97 10 10 10 20 11 22 0.00  
27 75 65 54 57 53 52 93 73 53 30.03 29.93 29.83 10 10 10 18 11 22 0.00  
28 72 63 54 55 52 51 93 75 57 29.88 29.83 29.77 10 9 7 24 13 29 0.00  
29 71 63 55 55 52 50 86 72 57 30.01 29.92 29.83 10 9 6 25 12 47 0.00  
30 74 64 54 55 52 50 93 73 53 30.11 30.04 29.99 10 8 5 20 9 23 0.00  
31 73 64 54 56 52 50 93 73 53 30.09 30.02 29.94 10 10 10 21 11 28 0.00