Weather History for Portland, OR

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Week of August 25, 2013 through August 31, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 81 °F 71 °F
Mean Temperature 74 °F 72 °F 65 °F
Min Temperature 65 °F 62 °F 59 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 9 7 0 46
Growing Degree Days (base 50) 24 21 14 148
Dew Point  
Dew Point 66 °F 59 °F 46 °F
Precipitation  
Precipitation 0.36 in 0.09 in 0.00 in 0.47 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 28 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.15 in 29.93 in 29.79 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Aug. 29, 2013 Rise Set
Actual Time 6:28 AM PDT 7:53 PM PDT
Civil Twilight 5:57 AM PDT 8:23 PM PDT
Nautical Twilight 5:20 AM PDT 9:01 PM PDT
Astronomical Twilight 4:40 AM PDT 9:40 PM PDT
Moon 12:15 AM PDT (8/29) 3:35 PM PDT (8/29)
Length of Visible Light 14h 26m
Length of Day
13h 24m
Last Quarter, 37% of the Moon is Illuminated
Aug 29
Last Quarter
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 71 65 59 61 56 54 87 74 61 29.94 29.92 29.90 10 10 8 12 4 15 0.08 Rain
26 80 71 61 61 56 46 90 61 32 29.98 29.93 29.89 10 10 6 21 9 26 T Rain
27 81 72 62 62 59 56 93 69 45 29.97 29.87 29.79 10 10 5 10 5 14 T Rain
28 81 72 63 65 61 59 93 71 49 29.91 29.86 29.84 10 10 10 9 4 12 0.03 Rain
29 80 73 65 66 64 59 93 74 54 30.06 29.93 29.84 10 9 2 22 9 28 0.36 Rain , Thunderstorm
30 82 74 65 63 59 55 87 65 42 30.15 30.10 30.04 10 10 10 12 5 15 0.00  
31 89 74 59 60 57 55 93 64 34 30.05 29.92 29.80 10 10 10 9 3 13 0.00