Weather History for Seattle, WA

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Week of August 25, 2013 through August 31, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 78 °F 72 °F
Mean Temperature 72 °F 70 °F 67 °F
Min Temperature 65 °F 61 °F 57 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 7 5 2 33
Growing Degree Days (base 50) 22 19 16 136
Dew Point  
Dew Point 65 °F 57 °F 48 °F
Precipitation  
Precipitation 0.76 in 0.15 in 0.00 in 1.08 in
Snowdepth - - - -
Wind  
Wind 18 mph 5 mph 0 mph
Gust Wind 24 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.97 in 29.83 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Aug. 31, 2013 Rise Set
Actual Time 6:27 AM PDT 7:50 PM PDT
Civil Twilight 5:55 AM PDT 8:22 PM PDT
Nautical Twilight 5:16 AM PDT 9:00 PM PDT
Astronomical Twilight 4:34 AM PDT 9:42 PM PDT
Moon 1:49 AM PDT (8/31) 5:03 PM PDT (8/31)
Length of Visible Light 14h 27m
Length of Day
13h 23m
Waning Crescent, 20% of the Moon is Illuminated
Aug 31
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
25 72 67 61 56 52 49 73 59 44 29.98 29.94 29.91 10 10 10 12 6 15 0.01  
26 76 69 61 57 55 48 84 63 41 29.99 29.94 29.90 10 10 10 16 4 23 0.04 Rain
27 80 72 63 58 56 53 84 63 42 29.99 29.92 29.83 10 10 10 13 3 15 0.05 Rain
28 80 70 60 62 59 56 90 69 48 29.93 29.90 29.86 10 9 5 12 3 14 0.22 Rain
29 75 70 65 65 63 61 93 81 68 30.05 29.96 29.90 10 9 2 18 7 24 0.76 Rain , Thunderstorm
30 79 70 61 61 56 50 90 65 39 30.19 30.14 30.06 10 10 10 13 6 16 0.00  
31 82 70 57 56 55 52 86 61 36 30.11 29.99 29.88 10 10 9 13 6 20 0.00