Portland Troutdale, OR

9:32 AM PST on December 14, 2017 (GMT -0800)
Portland-Troutdale

Weather History for KTTD - September, 2012

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 62 °F
Mean Temperature 78 °F 64 °F 57 °F
Min Temperature 64 °F 50 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 8 2 0 71
Cooling Degree Days (base 65) 13 2 0 55
Growing Degree Days (base 50) 27 14 6 428
Dew Point  
Dew Point 58 °F 48 °F 32 °F
Precipitation  
Precipitation 0.05 in 0.00 in 0.00 in 0.06 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 4 mph 0 mph
Gust Wind 35 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.07 in 29.86 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 09, 2012 Rise Set
Actual Time 6:41 AM PDT 7:31 PM PDT
Civil Twilight 6:11 AM PDT 8:01 PM PDT
Nautical Twilight 5:35 AM PDT 8:36 PM PDT
Astronomical Twilight 4:57 AM PDT 9:14 PM PDT
Moon 12:01 AM PDT (9/9) 3:33 PM PDT (9/9)
Length of Visible Light 13h 49m
Length of Day
12h 49m
Last Quarter, 38% of the Moon is Illuminated
Sep 9
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Daily Weather History & 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 62 48 50 47 44 93 63 33 30.14 30.10 30.02 10 10 10 9 2 15 0.00  
2 77 62 46 54 47 39 86 57 27 30.19 30.14 30.08 10 10 10 9 2 13 0.00  
3 79 64 49 53 49 44 83 61 38 30.14 30.10 30.03 10 10 10 10 3 15 0.00  
4 85 67 49 53 50 47 89 60 31 30.15 30.09 30.01 10 10 10 9 2 13 0.00  
5 88 69 50 55 52 47 89 57 25 30.04 29.96 29.86 10 10 4 10 3 15 0.00  
6 87 69 51 55 51 47 93 60 26 29.99 29.94 29.90 10 10 10 16 5 21 0.00  
7 91 78 64 52 46 42 67 44 21 30.05 30.00 29.95 10 10 8 22 13 29 0.00  
8 82 71 60 56 52 42 78 55 31 30.03 29.97 29.93 10 10 10 17 5 22 0.00  
9 70 63 56 53 48 45 72 59 45 30.07 30.04 30.00 10 10 10 12 5 14 0.00  
10 70 62 54 53 48 42 80 60 39 30.21 30.13 30.04 10 9 2 13 5 24 0.05 Rain
11 74 58 42 46 43 39 92 63 33 30.26 30.21 30.14 10 10 10 12 4 22 0.00  
12 81 63 44 45 39 32 92 55 17 30.23 30.18 30.11 10 10 10 22 9 29 0.00  
13 84 74 64 38 36 34 32 26 20 30.12 30.06 29.99 10 10 10 28 19 35 0.00  
14 87 70 53 55 46 41 66 44 22 30.05 30.02 29.95 10 10 9 9 3 13 0.00  
15 82 66 49 54 50 44 89 61 33 30.14 30.10 30.05 10 10 10 10 3 15 0.00  
16 83 64 44 53 48 43 93 62 30 30.18 30.10 30.02 10 10 10 9 3 14 0.00  
17 89 68 46 51 49 45 93 58 22 30.05 30.00 29.93 10 10 10 8 2 12 0.00  
18 89 69 48 54 48 44 86 55 24 30.08 30.00 29.95 10 10 6 9 2 13 0.00  
19 71 63 54 55 53 52 93 75 57 30.13 30.10 30.04 10 8 4 7 1 8 0.00  
20 62 57 51 55 54 50 100 86 72 30.11 30.09 30.06 10 5 1 7 1 14 0.01 Rain
21 65 61 57 55 53 51 93 78 63 30.14 30.12 30.10 10 9 5 7 2 9 0.00  
22 72 62 52 52 48 44 83 62 41 30.17 30.12 30.07 10 10 10 12 3 16 T Rain
23 71 57 42 52 48 43 93 70 47 30.13 30.10 30.08 10 10 10 7 1 9 0.00  
24 73 60 47 54 50 45 93 71 49 30.14 30.11 30.05 10 10 10 10 2 13 0.00  
25 72 61 49 55 50 46 86 64 41 30.13 30.09 30.06 10 10 10 9 2 14 T  
26 73 59 45 51 47 43 92 67 41 30.10 30.04 29.96 10 10 10 9 2 13 0.00  
27 80 63 45 58 51 43 93 65 37 30.01 29.95 29.87 10 10 9 8 1 10 0.00  
28 82 69 56 56 53 49 86 61 35 30.00 29.94 29.91 10 10 7 8 1 10 0.00  
29 75 64 53 57 51 37 90 60 29 30.25 30.14 30.01 10 10 7 10 2 17 0.00  
30 75 59 42 48 45 41 96 66 35 30.35 30.29 30.25 10 10 10 8 1 10 0.00