Weather History for Napa County, CA

Change the Weather History Date:

Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 77 °F 69 °F
Mean Temperature 70 °F 66 °F 62 °F
Min Temperature 60 °F 54 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 12
Cooling Degree Days (base 65) 5 1 0 45
Growing Degree Days (base 50) 21 15 12 477
Dew Point  
Dew Point 63 °F 56 °F 46 °F
Precipitation  
Precipitation 0.07 in 0.00 in 0.00 in 0.07 in
Snowdepth - - - -
Wind  
Wind 24 mph 9 mph 0 mph
Gust Wind 28 mph 24 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.07 in 29.91 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Aug. 30, 2014 Rise Set
Actual Time 6:37 AM PDT 7:41 PM PDT
Civil Twilight 6:09 AM PDT 8:08 PM PDT
Nautical Twilight 5:37 AM PDT 8:40 PM PDT
Astronomical Twilight 5:03 AM PDT 9:14 PM PDT
Moon 11:25 AM PDT 10:24 PM PDT
Length of Visible Light 13h 58m
Length of Day
13h 04m
Waxing Crescent, 24% of the Moon is Illuminated
Aug 30
Waxing Crescent
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 23
New

Weather History Calendar

Precipitation Actual month total 0.07 Average Month Total: 0.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
80 | 51 0.00
Average:
85 | 54 0.00
Partly Cloudy
Actual:
74 | 54 0.00
Average:
83 | 54 0.00
Partly Cloudy
Actual:
72 | 56 0.00
Average:
82 | 54 0.00
Rain
Actual:
73 | 57 T
Average:
81 | 54 0.00
Rain
Actual:
69 | 58 0.07
Average:
82 | 53 0.00
Rain
Actual:
82 | 57 T
Average:
85 | 55 0.00
Partly Cloudy
Actual:
74 | 55 0.00
Average:
85 | 55 0.00
Partly Cloudy
Actual:
76 | 56 0.00
Average:
84 | 55 0.00
Partly Cloudy
Actual:
69 | 54 0.00
Average:
83 | 54 0.00
Partly Cloudy
Actual:
73 | 55 0.00
Average:
81 | 54 0.00
Scattered Clouds
Actual:
78 | 50 0.00
Average:
80 | 54 0.00
Partly Cloudy
Actual:
77 | 54 0.00
Average:
80 | 53 0.00
Partly Cloudy
Actual:
79 | 52 0.00
Average:
80 | 53 0.00
Partly Cloudy
Actual:
77 | 53 0.00
Average:
80 | 54 0.00
Partly Cloudy
Actual:
80 | 53 0.00
Average:
81 | 53 0.01
Fog
Actual:
81 | 46 0.00
Average:
81 | 53 0.00
Partly Cloudy
Actual:
77 | 48 0.00
Average:
82 | 53 0.00
Partly Cloudy
Actual:
72 | 55 0.00
Average:
80 | 53 0.01
Partly Cloudy
Actual:
73 | 57 0.00
Average:
79 | 54 0.01
Partly Cloudy
Actual:
72 | 60 0.00
Average:
80 | 53 0.04
Partly Cloudy
Actual:
81 | 59 0.00
Average:
81 | 54 0.00
Partly Cloudy
Actual:
75 | 58 0.00
Average:
82 | 53 0.00
Partly Cloudy
Actual:
77 | 58 0.00
Average:
83 | 52 0.00
Scattered Clouds
Actual:
77 | 56 0.00
Average:
83 | 53 0.00
Partly Cloudy
Actual:
73 | 57 0.00
Average:
81 | 53 0.00
Partly Cloudy
Actual:
82 | 58 0.00
Average:
82 | 53 0.00
Clear
Actual:
86 | 53 0.00
Average:
82 | 54 0.00
Partly Cloudy
Actual:
82 | 52 0.00
Average:
84 | 53 0.00
Partly Cloudy
Actual:
78 | 56 0.00
Average:
84 | 54 0.00
Clear
Actual:
88 | 51 0.00
Average:
82 | 55 0.00
Clear
Actual:
84 | 50 0.00
Average:
82 | 53 0.01
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 80 66 51 60 57 51 100 76 51 29.89 29.86 29.81 10 10 5 15 7 18 0.00  
2 74 64 54 59 56 53 100 79 57 29.95 29.89 29.84 10 10 10 16 9 22 0.00  
3 72 64 56 58 55 54 100 81 61 29.97 29.92 29.87 10 10 10 18 9 23 0.00  
4 73 65 57 59 56 54 93 80 66 30.00 29.95 29.91 10 10 10 16 9 21 T Rain
5 69 64 58 62 59 57 100 87 73 30.06 30.01 29.97 10 10 10 12 3 14 0.07 Rain
6 82 70 57 63 61 57 100 76 51 30.00 29.96 29.90 10 10 10 18 8 22 T Rain
7 74 65 55 59 57 54 100 79 57 29.96 29.91 29.83 10 10 8 23 11 27 0.00  
8 76 66 56 59 57 55 100 79 57 29.93 29.87 29.80 10 9 7 18 10 23 0.00  
9 69 62 54 57 55 52 93 78 63 29.96 29.90 29.85 10 9 8 23 13 27 0.00  
10 73 64 55 58 56 53 93 77 61 30.01 29.95 29.89 10 10 10 17 9 21 0.00  
11 78 64 50 58 56 50 100 77 54 29.96 29.91 29.85 10 9 2 20 9 25 0.00  
12 77 66 54 59 56 53 100 75 50 29.98 29.92 29.88 10 10 10 18 10 23 0.00  
13 79 66 52 60 56 54 93 71 48 30.00 29.93 29.88 10 10 10 22 10 27 0.00  
14 77 65 53 60 57 53 100 77 54 29.98 29.92 29.85 10 10 3 16 8 19 0.00  
15 80 67 53 60 56 52 93 71 48 30.01 29.94 29.90 10 10 8 15 7 18 0.00  
16 81 64 46 58 53 46 100 73 45 30.05 29.99 29.92 10 8 0 16 6 19 0.00 Fog
17 77 63 48 59 55 48 100 77 54 30.04 29.97 29.87 10 8 2 17 7 20 0.00  
18 72 64 55 59 56 54 100 81 61 29.91 29.84 29.76 10 10 10 21 11 25 0.00  
19 73 65 57 60 57 55 93 80 66 29.87 29.81 29.76 10 10 10 24 12 28 0.00  
20 72 66 60 59 57 57 90 76 61 29.91 29.87 29.82 10 10 10 22 12 26 0.00  
21 81 70 59 62 58 56 93 71 48 29.95 29.90 29.86 10 10 10 18 8 26 0.00  
22 75 67 58 61 58 56 100 79 57 29.93 29.88 29.83 10 10 10 21 11 27 0.00  
23 77 68 58 58 56 54 93 70 46 29.96 29.88 29.82 10 10 10 18 9 23 0.00  
24 77 67 56 58 55 53 100 73 46 29.91 29.84 29.76 10 10 10 22 12 25 0.00  
25 73 65 57 57 56 54 93 75 57 29.93 29.86 29.82 10 10 10 23 12 27 0.00  
26 82 70 58 58 55 54 93 68 42 30.01 29.95 29.89 10 10 10 16 8 20 0.00  
27 86 70 53 62 56 49 100 68 35 30.05 29.99 29.94 10 10 8 16 7 19 0.00  
28 82 67 52 61 56 53 100 75 49 30.07 30.00 29.88 10 10 10 16 7 19 0.00  
29 78 67 56 62 58 56 100 80 60 29.94 29.89 29.83 10 10 10 18 8 22 0.00  
30 88 70 51 58 55 48 100 63 26 29.89 29.84 29.77 10 9 2 23 8 27 0.00  
31 84 67 50 60 57 50 100 72 43 29.91 29.84 29.78 10 10 10 17 8 22 0.00