Weather History for Napa County, CA

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Month of February, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 63 °F 55 °F
Mean Temperature 58 °F 50 °F 41 °F
Min Temperature 49 °F 36 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 24 15 7 443
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 34
Dew Point  
Dew Point 54 °F 39 °F 17 °F
Precipitation  
Precipitation 0.41 in 0.05 in 0.00 in 1.29 in
Snowdepth - - - -
Wind  
Wind 29 mph 6 mph 0 mph
Gust Wind 43 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 30.08 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 12, 2012 Rise Set
Actual Time 7:03 AM PST 5:43 PM PST
Civil Twilight 6:36 AM PST 6:11 PM PST
Nautical Twilight 6:05 AM PST 6:42 PM PST
Astronomical Twilight 5:34 AM PST 7:12 PM PST
Moon 11:41 PM PST (2/12) 9:31 AM PST (2/12)
Length of Visible Light 11h 34m
Length of Day
10h 40m
Waning Gibbous, 71% of the Moon is Illuminated
Feb 12
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full

Weather History Calendar

Precipitation Actual month total 1.29 Average Month Total: 4.51
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
63 | 36 0.05
Average:
59 | 39 0.12
Clear
Actual:
64 | 35 0.00
Average:
59 | 40 0.14
Clear
Actual:
64 | 30 0.00
Average:
60 | 39 0.14
Clear
Actual:
66 | 34 0.00
Average:
61 | 38 0.10
Scattered Clouds
Actual:
68 | 33 0.00
Average:
60 | 39 0.15
Rain
Actual:
64 | 44 0.07
Average:
61 | 40 0.12
Rain
Actual:
56 | 49 0.39
Average:
61 | 40 0.12
Fog
Actual:
65 | 37 0.01
Average:
60 | 41 0.15
Clear
Actual:
69 | 39 0.00
Average:
61 | 41 0.11
Rain
Actual:
59 | 37 0.02
Average:
61 | 41 0.11
Rain
Actual:
61 | 40 0.01
Average:
62 | 41 0.13
Rain
Actual:
58 | 39 0.13
Average:
61 | 41 0.26
Rain
Actual:
56 | 37 0.09
Average:
62 | 42 0.34
Rain
Actual:
59 | 30 0.09
Average:
62 | 41 0.28
Rain
Actual:
61 | 33 0.01
Average:
62 | 41 0.21
Clear
Actual:
67 | 38 0.00
Average:
62 | 41 0.17
Fog
Actual:
65 | 34 0.00
Average:
62 | 41 0.25
Fog
Actual:
64 | 37 0.00
Average:
63 | 41 0.19
Scattered Clouds
Actual:
57 | 30 0.00
Average:
63 | 44 0.35
Fog
Actual:
60 | 41 0.01
Average:
64 | 42 0.13
Fog
Actual:
63 | 38 0.00
Average:
63 | 42 0.20
Fog
Actual:
78 | 37 0.00
Average:
63 | 42 0.06
Clear
Actual:
78 | 38 0.00
Average:
63 | 41 0.15
Clear
Actual:
72 | 37 0.00
Average:
63 | 41 0.08
Clear
Actual:
63 | 36 0.00
Average:
64 | 40 0.16
Clear
Actual:
57 | 26 0.00
Average:
66 | 42 0.05
Clear
Actual:
56 | 25 0.00
Average:
65 | 42 0.11
Partly Cloudy
Actual:
57 | 28 T
Average:
64 | 43 0.13
Rain
Actual:
55 | 40 0.41
Average:
64 | 43 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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 63 50 36 50 46 37 100 80 60 30.28 30.23 30.17 10 7 1 10 3 13 0.05 Rain
2 64 50 35 43 37 31 100 67 34 30.25 30.09 29.95 10 8 1 13 3 15 0.00  
3 64 47 30 40 34 29 89 61 32 30.05 30.01 29.98 10 10 10 15 5 18 0.00  
4 66 50 34 38 34 31 89 59 29 30.09 30.06 30.04 10 10 10 14 5 17 0.00  
5 68 51 33 40 34 30 82 54 26 30.11 30.05 29.98 10 10 10 14 5 17 0.00  
6 64 54 44 45 35 32 70 52 34 29.96 29.85 29.74 10 10 10 24 10 30 0.07 Rain
7 56 53 49 50 48 45 96 87 77 30.09 29.89 29.77 10 8 5 16 6 22 0.39 Rain
8 65 51 37 51 44 36 100 80 60 30.26 30.18 30.10 10 4 0 10 4 21 0.01 Fog
9 69 54 39 50 44 38 100 74 47 30.27 30.22 30.12 10 8 0 13 6 17 0.00  
10 59 48 37 54 45 36 100 86 72 30.20 30.14 30.05 10 6 0 14 6 18 0.02 Rain
11 61 51 40 50 47 39 100 84 67 30.08 30.04 29.98 10 8 0 14 5 16 0.01 Fog , Rain
12 58 49 39 47 43 38 100 80 59 30.08 30.03 29.94 10 4 0 21 6 43 0.13 Fog , Rain
13 56 47 37 45 42 36 92 76 59 30.00 29.93 29.89 10 10 4 22 6 37 0.09 Rain
14 59 45 30 45 38 30 100 79 57 30.09 30.04 29.99 10 6 0 23 6 28 0.09 Fog , Rain
15 61 47 33 45 30 21 92 59 25 30.15 30.08 30.02 10 8 2 25 10 32 0.01 Rain
16 67 53 38 42 29 21 92 56 19 30.25 30.19 30.14 10 10 8 28 7 32 0.00  
17 65 50 34 51 41 34 100 72 43 30.26 30.21 30.14 10 6 0 14 4 17 0.00 Fog
18 64 51 37 48 43 34 100 71 42 30.20 30.16 30.06 10 4 0 21 7 26 0.00 Fog
19 57 44 30 40 36 30 92 67 41 30.14 30.09 30.03 10 10 10 16 4 18 0.00  
20 60 51 41 47 44 41 100 79 57 30.23 30.15 30.08 10 8 0 14 3 22 0.01 Fog
21 63 51 38 51 45 37 100 80 60 30.33 30.25 30.20 10 4 0 7 2 14 0.00 Fog
22 78 58 37 52 43 36 100 69 38 30.28 30.22 30.06 10 6 0 18 4 26 0.00 Fog
23 78 58 38 46 32 17 100 56 11 30.08 30.02 29.93 10 9 1 26 8 32 0.00  
24 72 55 37 44 34 19 80 49 18 30.14 30.04 29.97 10 10 10 24 7 31 0.00  
25 63 50 36 39 35 31 79 55 30 30.32 30.24 30.17 10 10 10 24 7 31 0.00  
26 57 42 26 34 30 24 89 60 30 30.18 29.98 29.84 10 10 10 20 5 24 0.00  
27 56 41 25 35 32 22 100 69 38 29.95 29.84 29.78 10 10 10 13 4 17 0.00  
28 57 43 28 41 35 27 92 71 50 30.20 30.12 29.96 10 10 10 29 10 38 T  
29 55 48 40 48 44 38 93 76 59 30.23 30.10 30.01 10 7 1 28 12 37 0.41 Rain