History for Napa County, CA

Week of September 2, 2012 through September 8, 2012 — View Current Conditions
Week of September 2, 2012 through September 8, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 87 °F 79 °F 73 °F
Mean Temperature 68 °F 64 °F 61 °F
Min Temperature 50 °F 49 °F 47 °F
Degree Days
Heating Degree Days (base 65) 4 2 0 12
Cooling Degree Days (base 65) 3 1 0 5
Growing Degree Days (base 50) 17 13 10 90
Dew Point
Dew Point 56 °F 51 °F 40 °F
Precipitation
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind
Wind 20 mph 7 mph 0 mph
Gust Wind 35 mph 28 mph 23 mph
Sea Level Pressure
Sea Level Pressure 30.07 in 29.96 in 29.86 in
Weekly Graph
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Date:
Astronomy
May. 25, 2013 Rise Set
Actual Time 6:40 AM PDT 7:36 PM PDT
Civil Twilight 6:13 AM PDT 8:03 PM PDT
Nautical Twilight 5:41 AM PDT 8:35 PM PDT
Astronomical Twilight 5:07 AM PDT 9:08 PM PDT
Moon 8:30 PM PDT (9/2) 8:51 AM PDT (9/2)
Length Of Visible Light 13h 50m
Length of Day
12h 56m
Waning Gibbous, 95% of the Moon is Illuminated
Sep 2
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
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Daily Observations
2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
2 86 67 47 56 52 45 100 63 25 30.00 29.95 29.86 10 5 0 13 5 24 0.00 Fog
3 87 68 48 55 51 40 93 56 19 29.95 29.91 29.86 10 10 9 14 5 24 0.00  
4 76 62 48 55 51 46 100 73 46 30.03 29.98 29.91 10 6 0 20 5 - 0.00 Fog
5 73 61 49 54 51 48 100 77 53 30.00 29.95 29.89 10 8 0 18 7 26 0.00 Fog
6 75 63 50 54 50 47 93 70 46 30.00 29.95 29.91 10 10 10 15 9 22 0.00  
7 79 64 48 54 49 45 93 66 39 30.07 30.01 29.96 10 10 10 18 7 25 0.00  
8 76 63 50 54 50 47 93 65 36 30.04 29.98 29.91 10 10 10 18 8 35 0.00  
Comma Delimited File