Weather History for Seattle, WA

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Week of September 15, 2013 through September 21, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 70 °F 64 °F
Mean Temperature 65 °F 63 °F 61 °F
Min Temperature 59 °F 56 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 4 2 0 12
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 16 13 10 88
Dew Point  
Dew Point 61 °F 52 °F 44 °F
Precipitation  
Precipitation 0.14 in 0.06 in 0.00 in 0.28 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 26 mph 16 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.87 in 29.64 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 19, 2013 Rise Set
Actual Time 6:52 AM PDT 7:12 PM PDT
Civil Twilight 6:21 AM PDT 7:43 PM PDT
Nautical Twilight 5:45 AM PDT 8:19 PM PDT
Astronomical Twilight 5:07 AM PDT 8:56 PM PDT
Moon 7:07 PM PDT (9/19) 7:11 AM PDT (9/19)
Length of Visible Light 13h 21m
Length of Day
12h 19m
Full, 100% of the Moon is Illuminated
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Daily Weather History & Observations

2013 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  
15 66 62 58 61 58 55 93 86 78 29.86 29.79 29.74 10 6 0 13 5 16 0.13 Fog , Rain , Thunderstorm
16 71 65 59 58 56 50 84 71 57 29.96 29.93 29.83 10 10 2 16 10 20 0.01 Rain
17 64 61 57 54 50 47 86 73 60 29.97 29.92 29.89 10 10 10 13 5 17 T  
18 70 63 56 54 50 47 86 65 44 30.11 30.07 29.95 10 10 10 10 6 15 0.00  
19 78 64 50 52 49 44 77 56 35 30.07 29.93 29.81 10 10 10 9 3 13 0.00  
20 74 65 56 56 51 47 84 64 44 29.79 29.70 29.64 10 9 2 20 7 26 0.14 Rain
21 70 63 56 56 53 50 93 72 51 29.76 29.72 29.67 10 10 10 10 6 14 T