Weather History for Napa County, CA

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Week of February 17, 2013 through February 23, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 60 °F 50 °F
Mean Temperature 51 °F 46 °F 41 °F
Min Temperature 39 °F 32 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 24 19 14 135
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 45 °F 36 °F 19 °F
Precipitation  
Precipitation 0.25 in 0.04 in 0.00 in 0.25 in
Snowdepth - - - -
Wind  
Wind 23 mph 7 mph 0 mph
Gust Wind 36 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 30.03 in 29.72 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 6:52 AM PST 5:53 PM PST
Civil Twilight 6:25 AM PST 6:20 PM PST
Nautical Twilight 5:55 AM PST 6:50 PM PST
Astronomical Twilight 5:24 AM PST 7:21 PM PST
Moon 1:22 PM PST (2/20) 3:14 AM PST (2/20)
Length of Visible Light 11h 54m
Length of Day
11h 00m
Waxing Gibbous, 77% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Daily Weather History & Observations

2013 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  
17 63 48 33 45 38 32 100 74 48 30.04 30.01 29.95 10 6 0 9 3 10 0.00 Fog
18 56 45 34 43 39 34 92 74 55 30.03 29.97 29.92 10 10 9 21 9 36 0.00  
19 50 41 32 45 37 30 89 74 58 29.94 29.82 29.72 10 9 2 23 8 31 0.25 Rain
20 61 43 25 41 34 24 92 66 39 30.03 29.95 29.85 10 10 10 16 6 - 0.00  
21 64 47 30 37 33 27 96 61 25 30.16 30.09 30.04 10 10 4 18 5 21 0.00  
22 62 45 28 44 38 29 92 70 48 30.24 30.19 30.15 10 10 10 16 5 23 0.00  
23 63 51 39 45 36 19 93 56 19 30.25 30.18 30.13 10 10 10 22 10 26 0.00