Weather History for Portland Troutdale, OR

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 74 °F 59 °F
Mean Temperature 83 °F 65 °F 54 °F
Min Temperature 68 °F 56 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 11 3 0 80
Cooling Degree Days (base 65) 18 3 0 84
Growing Degree Days (base 50) 32 15 4 440
Dew Point  
Dew Point 64 °F 55 °F 44 °F
Precipitation  
Precipitation 1.16 in 0.18 in 0.00 in 4.11 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 4 mph 0 mph
Gust Wind 37 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.17 in 29.90 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 22, 2013 Rise Set
Actual Time 6:57 AM PDT 7:06 PM PDT
Civil Twilight 6:27 AM PDT 7:36 PM PDT
Nautical Twilight 5:52 AM PDT 8:10 PM PDT
Astronomical Twilight 5:16 AM PDT 8:46 PM PDT
Moon 8:47 PM PDT (9/22) 10:34 AM PDT (9/22)
Length of Visible Light 13h 08m
Length of Day
12h 09m
Waning Gibbous, 88% of the Moon is Illuminated
Sep 22
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Weather History Calendar

Precipitation Actual month total 4.11 Normal Month Total: 1.85
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
84 | 58 0.00
Average:
80 | 52 0.04
Thunderstorm
Actual:
81 | 63 T
Average:
80 | 52 0.04
Thunderstorm
Actual:
80 | 62 T
Average:
79 | 52 0.05
Partly Cloudy
Actual:
73 | 60 0.00
Average:
79 | 51 0.04
Rain
Actual:
69 | 59 999.00
Average:
79 | 51 0.05
Rain
Actual:
71 | 57 0.01
Average:
79 | 51 0.05
Scattered Clouds
Actual:
82 | 54 0.00
Average:
79 | 51 0.05
Partly Cloudy
Actual:
85 | 57 0.00
Average:
78 | 51 0.06
Partly Cloudy
Actual:
83 | 59 0.00
Average:
78 | 51 0.05
Partly Cloudy
Actual:
95 | 60 0.00
Average:
78 | 51 0.05
Clear
Actual:
98 | 68 0.00
Average:
78 | 50 0.05
Scattered Clouds
Actual:
83 | 60 0.00
Average:
77 | 50 0.06
Partly Cloudy
Actual:
75 | 61 0.00
Average:
77 | 50 0.05
Partly Cloudy
Actual:
80 | 62 0.00
Average:
77 | 50 0.05
Rain
Actual:
69 | 62 T
Average:
77 | 50 0.05
Rain
Actual:
68 | 62 T
Average:
76 | 50 0.06
Rain
Actual:
69 | 55 0.04
Average:
76 | 49 0.06
Rain
Actual:
73 | 50 T
Average:
76 | 49 0.06
Clear
Actual:
81 | 46 0.00
Average:
75 | 49 0.07
Partly Cloudy
Actual:
75 | 49 T
Average:
75 | 49 0.07
Thunderstorm
Actual:
68 | 57 0.35
Average:
75 | 49 0.07
Rain
Actual:
64 | 56 0.12
Average:
74 | 48 0.07
Rain
Actual:
64 | 54 0.44
Average:
74 | 48 0.08
Rain
Actual:
62 | 51 0.26
Average:
73 | 48 0.07
Rain
Actual:
61 | 47 0.21
Average:
73 | 48 0.08
Mostly Cloudy
Actual:
67 | 50 0.00
Average:
73 | 48 0.08
Rain
Actual:
59 | 50 0.27
Average:
72 | 48 0.09
Rain
Actual:
68 | 54 1.16
Average:
72 | 47 0.08
Rain
Actual:
60 | 54 0.85
Average:
71 | 47 0.09
Rain
Actual:
61 | 52 0.40
Average:
71 | 47 0.08
 

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 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  
1 84 71 58 59 55 51 90 61 32 29.90 29.85 29.77 10 10 10 10 3 14 0.00  
2 81 72 63 59 57 54 78 61 43 29.91 29.88 29.86 10 10 10 13 2 18 T Thunderstorm
3 80 71 62 63 58 54 93 68 42 29.99 29.95 29.91 10 10 3 8 2 10 T Rain , Thunderstorm
4 73 67 60 61 58 57 90 74 57 30.04 30.01 29.98 10 10 10 7 1 12 0.00  
5 69 64 59 61 59 55 93 82 70 30.04 29.99 29.95 10 9 2 23 3 33 999.00 Rain
6 71 64 57 59 57 55 97 79 61 30.12 30.07 30.02 10 7 2 16 6 24 0.01 Rain
7 82 68 54 60 57 53 100 75 49 30.10 30.02 29.94 10 10 5 9 2 12 0.00  
8 85 71 57 61 58 55 93 67 40 30.07 30.02 29.96 10 9 2 9 2 14 0.00  
9 83 71 59 63 60 57 93 70 47 30.03 29.98 29.90 10 9 2 7 2 10 0.00  
10 95 78 60 63 60 51 97 63 28 29.91 29.86 29.76 10 8 2 9 3 13 0.00  
11 98 83 68 64 58 54 81 53 25 29.91 29.84 29.80 10 10 5 17 5 29 0.00  
12 83 72 60 64 59 57 90 69 47 30.00 29.95 29.88 10 10 5 7 3 12 0.00  
13 75 68 61 61 59 58 90 77 64 29.96 29.91 29.83 10 10 6 12 2 14 0.00  
14 80 71 62 63 61 60 93 72 51 29.85 29.79 29.69 10 9 3 9 2 14 0.00  
15 69 66 62 61 59 57 93 80 66 29.88 29.77 29.70 10 9 3 10 4 14 T Rain
16 68 65 62 61 57 54 90 79 67 29.97 29.93 29.89 10 10 7 10 3 13 T Rain
17 69 62 55 57 52 47 93 69 45 30.00 29.89 29.86 10 10 9 10 3 15 0.04 Rain
18 73 62 50 53 50 44 86 62 38 30.09 30.05 30.00 10 10 10 8 2 15 T Rain
19 81 64 46 51 47 44 93 62 30 30.01 29.87 29.76 10 10 9 21 6 25 0.00  
20 75 62 49 55 50 46 86 66 46 29.76 29.69 29.65 10 10 10 17 4 23 T  
21 68 63 57 58 56 54 93 80 67 29.77 29.72 29.68 10 8 1 9 2 14 0.35 Rain , Thunderstorm
22 64 60 56 56 53 47 87 72 56 29.86 29.76 29.70 10 10 7 21 7 28 0.12 Rain
23 64 59 54 55 53 51 93 80 67 30.00 29.96 29.86 10 9 2 16 4 22 0.44 Rain
24 62 57 51 54 51 48 93 79 64 29.99 29.91 29.86 10 10 3 14 3 17 0.26 Rain
25 61 54 47 50 48 46 93 78 62 30.03 29.91 29.86 10 9 2 8 3 10 0.21 Rain
26 67 59 50 49 48 45 93 69 45 30.17 30.08 30.04 10 10 10 10 2 15 0.00  
27 59 55 50 54 50 46 86 79 72 30.17 30.06 29.92 10 10 7 13 3 18 0.27 Rain
28 68 61 54 57 55 49 93 81 68 29.90 29.69 29.51 10 8 2 25 11 37 1.16 Rain
29 60 57 54 55 51 48 86 82 77 29.69 29.60 29.37 10 9 5 26 9 36 0.85 Rain
30 61 57 52 53 48 45 86 76 66 30.00 29.85 29.63 10 10 6 21 10 31 0.40 Rain