History for Portland, OR

Month of September, 2012 — View Current Conditions
Month of September, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 95 °F 79 °F 63 °F
Mean Temperature 76 °F 66 °F 59 °F
Min Temperature 60 °F 54 °F 47 °F
Degree Days
Heating Degree Days (base 65) 6 1 0 40
Cooling Degree Days (base 65) 11 3 0 79
Growing Degree Days (base 50) 26 16 9 473
Dew Point
Dew Point 60 °F 50 °F 27 °F
Precipitation
Precipitation 0.04 in 0.00 in 0.00 in 0.04 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind
Wind 24 mph 5 mph 0 mph
Gust Wind 30 mph 19 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.36 in 30.09 in 29.87 in
Monthly Graph
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Date:
Astronomy
May. 25, 2013 Rise Set
Actual Time 6:44 AM PDT 7:28 PM PDT
Civil Twilight 6:14 AM PDT 7:58 PM PDT
Nautical Twilight 5:38 AM PDT 8:33 PM PDT
Astronomical Twilight 5:01 AM PDT 9:10 PM PDT
Moon 1:56 AM PDT (9/11) 4:51 PM PDT (9/11)
Length Of Visible Light 13h 43m
Length of Day
12h 43m
Waning Crescent, 20% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 0.04 Normal month total 1.47
« Previous Month « 2011 September 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Scattered Clouds
Actual: 76 | 50
Precip: 0.00
Average: 79 | 56
Precip: 0.03
2 Scattered Clouds
Actual: 77 | 52
Precip: 0.00
Average: 79 | 56
Precip: 0.04
3 Scattered Clouds
Actual: 79 | 55
Precip: 0.00
Average: 79 | 56
Precip: 0.03
4 Clear
Actual: 84 | 57
Precip: 0.00
Average: 79 | 56
Precip: 0.04
5 Scattered Clouds
Actual: 87 | 57
Precip: 0.00
Average: 79 | 56
Precip: 0.04
6 Clear
Actual: 90 | 57
Precip: 0.00
Average: 78 | 55
Precip: 0.05
7 Clear
Actual: 95 | 57
Precip: 0.00
Average: 78 | 55
Precip: 0.04
8 Thunderstorm
Actual: 81 | 59
Precip: 0.00
Average: 78 | 55
Precip: 0.04
9 Overcast
Actual: 69 | 55
Precip: 0.00
Average: 78 | 55
Precip: 0.04
10 Rain
Actual: 70 | 56
Precip: 0.04
Average: 78 | 55
Precip: 0.04
11 Clear
Actual: 73 | 47
Precip: 0.00
Average: 77 | 54
Precip: 0.05
12 Clear
Actual: 83 | 50
Precip: 0.00
Average: 77 | 54
Precip: 0.04
13 Scattered Clouds
Actual: 89 | 52
Precip: 0.00
Average: 77 | 54
Precip: 0.04
14 Scattered Clouds
Actual: 87 | 54
Precip: 0.00
Average: 77 | 54
Precip: 0.05
15 Scattered Clouds
Actual: 82 | 54
Precip: 0.00
Average: 76 | 53
Precip: 0.04
16 Clear
Actual: 82 | 51
Precip: 0.00
Average: 76 | 53
Precip: 0.05
17 Clear
Actual: 90 | 51
Precip: 0.00
Average: 76 | 53
Precip: 0.05
18 Clear
Actual: 88 | 54
Precip: 0.00
Average: 76 | 53
Precip: 0.05
19 Partly Cloudy
Actual: 73 | 56
Precip: 0.00
Average: 75 | 52
Precip: 0.05
20 Mostly Cloudy
Actual: 63 | 55
Precip: T
Average: 75 | 52
Precip: 0.06
21 Rain
Actual: 65 | 58
Precip: T
Average: 75 | 52
Precip: 0.05
22 Partly Cloudy
Actual: 72 | 49
Precip: 0.00
Average: 74 | 52
Precip: 0.06
23 Scattered Clouds
Actual: 72 | 48
Precip: 0.00
Average: 74 | 51
Precip: 0.06
24 Fog
Actual: 73 | 51
Precip: 0.00
Average: 73 | 51
Precip: 0.05
25 Partly Cloudy
Actual: 72 | 55
Precip: 0.00
Average: 73 | 51
Precip: 0.06
26 Partly Cloudy
Actual: 74 | 50
Precip: 0.00
Average: 73 | 51
Precip: 0.07
27 Partly Cloudy
Actual: 81 | 51
Precip: 0.00
Average: 72 | 50
Precip: 0.06
28 Partly Cloudy
Actual: 83 | 60
Precip: 0.00
Average: 72 | 50
Precip: 0.06
29 Partly Cloudy
Actual: 75 | 55
Precip: 0.00
Average: 71 | 50
Precip: 0.07
30 Scattered Clouds
Actual: 75 | 49
Precip: 0.00
Average: 71 | 50
Precip: 0.06
 
Calendar Legend
Sunny
Clear		 Mostly Cloudy
Partly Sunny		 Partly Cloudy
Mostly Sunny		 Cloudy Rain Snow
Hail
Flurries		 Thunderstorms Hazy
Fog		 Sleet '?' denotes
'chance of'		 Unknown
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  
1 76 63 50 49 47 44 83 58 33 30.15 30.11 30.03 10 10 10 10 5 15 0.00  
2 77 65 52 53 48 42 89 60 31 30.21 30.15 30.09 10 10 10 13 5 22 0.00  
3 79 67 55 54 51 47 86 61 35 30.15 30.11 30.05 10 10 10 18 6 24 0.00  
4 84 71 57 53 51 48 80 55 29 30.17 30.10 30.03 10 10 10 17 6 23 0.00  
5 87 72 57 55 52 47 80 52 24 30.05 29.97 29.87 10 10 10 13 4 16 0.00  
6 90 74 57 55 52 45 86 54 21 30.00 29.95 29.91 10 10 10 12 4 15 0.00  
7 95 76 57 55 50 42 86 52 17 30.08 30.02 29.96 10 10 10 14 4 18 0.00  
8 81 70 59 58 54 51 80 60 39 30.03 29.99 29.93 10 10 10 12 5 14 0.00 Thunderstorm
9 69 62 55 52 48 46 72 59 45 30.08 30.05 30.01 10 10 10 12 7 18 0.00  
10 70 63 56 55 47 41 80 58 36 30.22 30.14 30.05 10 10 2 22 9 30 0.04 Rain
11 73 60 47 45 42 39 80 57 34 30.27 30.22 30.16 10 10 10 20 7 24 0.00  
12 83 67 50 51 38 27 71 43 14 30.25 30.18 30.11 10 10 8 24 11 29 0.00  
13 89 71 52 50 44 37 77 47 17 30.14 30.08 30.00 10 10 10 12 6 14 0.00  
14 87 71 54 55 49 42 86 54 21 30.07 30.03 29.96 10 10 10 9 4 13 0.00  
15 82 68 54 55 49 39 86 57 28 30.15 30.12 30.06 10 10 10 17 7 23 0.00  
16 82 67 51 55 49 40 89 60 30 30.19 30.11 30.04 10 10 10 12 5 15 0.00  
17 90 71 51 60 52 47 96 60 23 30.06 30.01 29.94 10 10 10 8 3 14 0.00  
18 88 71 54 57 53 47 93 61 28 30.10 30.02 29.97 10 9 7 12 4 14 0.00  
19 73 65 56 57 54 53 93 75 57 30.14 30.11 30.05 10 8 2 8 3 10 0.00  
20 63 59 55 55 54 53 93 83 72 30.12 30.10 30.08 10 6 1 8 3 10 T  
21 65 62 58 55 53 50 93 78 63 30.16 30.14 30.12 10 10 5 9 4 13 T Rain
22 72 61 49 51 48 44 89 65 41 30.18 30.13 30.08 10 10 10 10 3 14 0.00  
23 72 60 48 55 50 47 93 70 47 30.14 30.11 30.09 10 10 10 7 2 9 0.00  
24 73 62 51 55 53 49 93 71 49 30.15 30.11 30.07 10 10 8 12 3 14 0.00 Fog
25 72 64 55 55 50 47 87 66 44 30.14 30.10 30.07 10 10 10 13 7 - 0.00  
26 74 62 50 52 49 46 93 66 38 30.11 30.06 29.98 10 9 2 13 5 17 0.00  
27 81 66 51 54 51 47 83 60 36 30.03 29.96 29.89 10 10 10 8 4 10 0.00  
28 83 72 60 58 54 47 84 56 28 30.01 29.95 29.91 10 10 10 9 3 13 0.00  
29 75 65 55 58 49 37 90 58 25 30.27 30.15 30.02 10 10 10 14 7 17 0.00  
30 75 62 49 47 44 41 86 60 33 30.36 30.30 30.27 10 10 10 16 5 20 0.00  
Comma Delimited File