Weather History for Renton, WA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 74 °F 63 °F
Mean Temperature 72 °F 63 °F 57 °F
Min Temperature 60 °F 53 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 8 3 0 79
Cooling Degree Days (base 65) 6 1 0 28
Growing Degree Days (base 50) 22 13 7 398
Dew Point  
Dew Point 58 °F 51 °F 41 °F
Precipitation  
Precipitation 0.18 in 0.01 in 0.00 in 0.22 in
Snowdepth - - - -
Wind  
Wind 15 mph 3 mph 0 mph
Gust Wind 20 mph 17 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.12 in 29.93 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 22, 2012 Rise Set
Actual Time 6:56 AM PDT 7:05 PM PDT
Civil Twilight 6:25 AM PDT 7:35 PM PDT
Nautical Twilight 5:49 AM PDT 8:11 PM PDT
Astronomical Twilight 5:12 AM PDT 8:49 PM PDT
Moon 2:43 PM PDT (9/22) 11:52 PM PDT (9/22)
Length of Visible Light 13h 10m
Length of Day
12h 08m
Waxing Crescent, 50% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 0.22 Average Month Total: 0.81
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
73 | 51 0.00
Average:
72 | 54 0.03
Scattered Clouds
Actual:
72 | 53 0.00
Average:
72 | 54 0.03
Scattered Clouds
Actual:
73 | 53 0.00
Average:
72 | 53 0.03
Scattered Clouds
Actual:
75 | 52 0.00
Average:
72 | 53 0.03
Clear
Actual:
80 | 54 0.00
Average:
72 | 53 0.03
Clear
Actual:
82 | 60 0.00
Average:
71 | 53 0.03
Clear
Actual:
89 | 55 0.00
Average:
71 | 53 0.03
Clear
Actual:
81 | 57 0.00
Average:
71 | 53 0.03
Rain
Actual:
69 | 59 0.00
Average:
71 | 53 0.03
Rain
Actual:
69 | 55 0.03
Average:
70 | 53 0.03
Scattered Clouds
Actual:
68 | 51 0.00
Average:
70 | 52 0.03
Clear
Actual:
72 | 48 0.00
Average:
69 | 52 0.03
Clear
Actual:
82 | 55 0.00
Average:
69 | 52 0.03
Clear
Actual:
80 | 53 0.00
Average:
69 | 52 0.03
Rain
Actual:
75 | 52 0.00
Average:
69 | 51 0.03
Clear
Actual:
75 | 50 0.00
Average:
69 | 51 0.03
Clear
Actual:
81 | 53 0.00
Average:
69 | 51 0.03
Clear
Actual:
82 | 54 0.00
Average:
69 | 50 0.03
Partly Cloudy
Actual:
75 | 55 0.00
Average:
69 | 50 0.02
Partly Cloudy
Actual:
71 | 53 0.00
Average:
68 | 50 0.02
Overcast
Actual:
63 | 57 0.00
Average:
68 | 50 0.02
Rain
Actual:
66 | 54 0.18
Average:
68 | 50 0.02
Scattered Clouds
Actual:
69 | 50 0.00
Average:
68 | 49 0.02
Scattered Clouds
Actual:
71 | 50 0.00
Average:
67 | 49 0.02
Partly Cloudy
Actual:
68 | 55 0.00
Average:
67 | 49 0.02
Partly Cloudy
Actual:
68 | 48 0.00
Average:
67 | 49 0.02
Partly Cloudy
Actual:
73 | 50 0.00
Average:
66 | 49 0.02
Rain
Actual:
75 | 55 0.01
Average:
66 | 49 0.03
Partly Cloudy
Actual:
69 | 57 0.00
Average:
66 | 49 0.03
Clear
Actual:
70 | 46 0.00
Average:
65 | 49 0.03
 

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

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 73 62 51 51 48 46 86 63 38 30.15 30.11 30.02 10 10 10 8 3 - 0.00  
2 72 62 53 52 49 44 86 65 38 30.22 30.18 30.14 10 10 10 7 2 - 0.00  
3 73 63 53 54 51 47 88 68 48 30.20 30.17 30.13 10 10 10 13 3 - 0.00  
4 75 64 52 57 52 48 86 64 42 30.23 30.18 30.12 10 10 10 12 2 - 0.00  
5 80 67 54 56 54 50 86 67 40 30.12 30.03 29.94 10 10 10 13 3 - 0.00  
6 82 71 60 57 54 52 83 60 36 30.06 30.02 29.97 10 10 10 13 7 17 0.00  
7 89 72 55 58 52 47 83 55 24 30.15 30.08 30.02 10 10 8 12 3 - 0.00  
8 81 68 57 56 53 49 81 61 34 30.04 29.99 29.93 10 10 10 10 3 - 0.00  
9 69 64 59 54 52 49 82 66 52 30.04 30.00 29.97 10 10 10 12 7 20 0.00 Rain
10 69 62 55 56 49 41 88 68 38 30.24 30.10 29.97 10 10 4 12 6 16 0.03 Rain
11 68 60 51 47 44 41 77 58 39 30.33 30.30 30.25 10 10 10 14 4 - 0.00  
12 72 60 48 50 46 42 80 60 41 30.36 30.30 30.23 10 10 10 15 7 - 0.00  
13 82 68 55 53 49 45 77 56 29 30.24 30.14 30.04 10 10 7 14 10 - 0.00  
14 80 66 53 56 51 47 86 63 32 30.10 30.07 30.01 10 9 7 8 2 - 0.00  
15 75 62 52 56 51 49 89 69 45 30.19 30.15 30.06 10 10 8 6 2 - 0.00 Rain
16 75 62 50 55 52 47 89 71 42 30.24 30.18 30.13 10 10 8 10 3 - 0.00  
17 81 67 53 57 52 49 89 67 34 30.14 30.08 30.01 10 10 10 10 2 - 0.00  
18 82 68 54 57 53 50 87 65 33 30.10 30.04 30.01 10 9 6 7 2 - 0.00  
19 75 65 55 57 54 52 94 75 47 30.18 30.12 30.05 10 8 4 10 4 - 0.00  
20 71 62 53 55 53 50 94 78 57 30.14 30.09 30.05 10 8 2 9 2 - 0.00  
21 63 60 57 54 53 52 87 77 67 30.16 30.14 30.13 10 10 10 6 4 - 0.00  
22 66 60 54 55 53 50 94 80 56 30.18 30.16 30.13 10 8 1 5 1 - 0.18 Rain
23 69 59 50 51 49 46 94 76 50 30.18 30.15 30.12 10 10 3 8 1 - 0.00  
24 71 60 50 53 50 46 89 70 51 30.16 30.13 30.10 10 10 10 8 2 - 0.00  
25 68 60 55 53 52 50 84 73 54 30.16 30.13 30.11 10 10 10 8 4 - 0.00  
26 68 57 48 52 49 46 100 78 56 30.14 30.11 30.05 10 9 2 8 2 - 0.00  
27 73 62 50 54 51 47 93 76 49 30.09 30.04 29.95 10 8 1 8 1 - 0.00  
28 75 65 55 57 53 50 90 70 43 30.03 29.98 29.95 10 10 7 7 2 - 0.01 Rain
29 69 62 57 55 48 44 78 62 42 30.31 30.18 30.05 10 10 10 13 4 - 0.00  
30 70 58 46 48 46 42 87 64 39 30.42 30.38 30.32 10 10 10 13 3 - 0.00