History for Napa County, CA

Week of December 2, 2012 through December 8, 2012 — View Current Conditions
Week of December 2, 2012 through December 8, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 63 °F 60 °F 56 °F
Mean Temperature 59 °F 52 °F 45 °F
Min Temperature 56 °F 42 °F 34 °F
Degree Days
Heating Degree Days (base 65) 20 13 6 94
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 2 0 16
Dew Point
Dew Point 59 °F 47 °F 32 °F
Precipitation
Precipitation 1.19 in 0.20 in 0.00 in 1.40 in
Snowdepth - - - -
Wind
Wind 43 mph 4 mph 0 mph
Gust Wind 53 mph 36 mph 22 mph
Sea Level Pressure
Sea Level Pressure 30.20 in 30.08 in 29.69 in
Weekly Graph
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Date:
Astronomy
May. 20, 2013 Rise Set
Actual Time 7:12 AM PST 4:48 PM PST
Civil Twilight 6:43 AM PST 5:18 PM PST
Nautical Twilight 6:10 AM PST 5:51 PM PST
Astronomical Twilight 5:38 AM PST 6:23 PM PST
Moon 12:42 AM PST (12/7) 12:44 PM PST (12/7)
Length Of Visible Light 10h 34m
Length of Day
9h 35m
Last Quarter, 37% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
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Daily Observations
2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
2 63 53 43 59 53 42 100 78 55 30.09 29.85 29.69 10 7 1 43 12 53 1.19 Rain
3 60 49 37 48 42 36 100 80 60 30.20 30.14 30.09 10 5 0 13 2 22 0.00 Fog
4 60 55 49 54 51 47 96 86 75 30.20 30.16 30.13 10 8 2 8 2 29 0.06 Rain
5 61 59 56 57 55 54 100 92 84 30.17 30.12 30.08 10 4 1 12 5 15 0.15 Rain
6 61 51 41 54 49 39 96 83 69 30.14 30.11 30.04 10 7 0 12 2 14 0.00 Fog
7 60 49 37 48 42 36 100 78 55 30.15 30.10 30.05 10 5 0 8 1 8 0.00 Fog
8 56 45 34 46 39 32 100 83 66 30.12 30.07 30.02 10 4 0 8 1 13 0.00 Fog
Comma Delimited File