Stampede Pass, WA

5:51 PM PDT on July 25, 2017 (GMT -0700)
Stampede Pass

Weather History for KSMP - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 64 °F 46 °F
Mean Temperature 74 °F 56 °F 42 °F
Min Temperature 64 °F 49 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 22 10 0 298
Cooling Degree Days (base 65) 9 1 0 31
Growing Degree Days (base 50) 24 8 0 231
Dew Point  
Dew Point 57 °F 43 °F 27 °F
Precipitation  
Precipitation 1.28 in 0.10 in 0.00 in 3.12 in
Snowdepth - - - -
Wind  
Wind 14 mph 4 mph 0 mph
Gust Wind 28 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.08 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2011 Rise Set
Actual Time 6:42 AM PDT 7:17 PM PDT
Civil Twilight 6:11 AM PDT 7:48 PM PDT
Nautical Twilight 5:35 AM PDT 8:24 PM PDT
Astronomical Twilight 4:56 AM PDT 9:02 PM PDT
Moon 8:15 PM PDT (9/15) 10:14 AM PDT (9/15)
Length of Visible Light 13h 36m
Length of Day
12h 35m
Waning Gibbous, 90% of the Moon is Illuminated
Sep 15
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Daily Weather History & Observations

2011 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 61 52 42 45 42 38 100 83 44 30.22 30.17 30.12 10 7 0 9 6 23 0.00 Fog
2 60 52 44 45 43 40 100 87 51 30.31 30.21 30.12 10 5 0 9 6 - 0.00 Fog
3 66 56 46 43 36 29 89 51 30 30.30 30.19 30.08 10 10 8 8 5 - 0.00  
4 75 63 51 41 34 28 45 37 22 30.06 30.00 29.95 10 10 8 6 4 - 0.00  
5 73 64 55 46 40 34 69 45 33 30.10 29.99 29.93 9 8 7 7 5 - 0.00  
6 77 65 55 47 42 34 62 46 22 30.21 30.16 30.10 10 9 8 7 3 - 0.00  
7 79 70 60 44 37 30 50 32 21 30.22 30.17 30.13 10 9 9 7 3 - 0.00  
8 81 70 61 54 40 29 78 38 21 30.24 30.20 30.16 9 8 7 7 2 - 0.00  
9 79 70 60 51 48 42 67 51 35 30.27 30.20 30.12 9 8 7 7 6 - 0.00  
10 84 74 63 54 43 36 61 35 18 30.11 30.02 29.95 9 8 6 6 3 - 0.00  
11 86 74 64 53 43 35 67 36 17 30.06 29.94 29.90 8 7 5 7 2 - 0.00  
12 73 63 52 55 52 48 100 73 48 30.18 30.08 29.97 7 5 0 6 5 - 0.00 Fog
13 64 56 48 52 51 48 100 94 65 30.18 30.14 30.09 8 3 0 9 5 - 0.00 Fog
14 55 50 45 48 46 44 100 95 77 30.11 30.01 29.96 7 3 0 10 7 20 0.00 Fog
15 46 44 42 46 44 42 100 98 93 30.00 29.96 29.92 7 2 0 12 7 24 0.23 Fog , Rain
16 46 42 39 45 39 36 100 87 66 30.06 30.01 29.99 9 6 0 10 6 21 0.01 Fog
17 46 42 39 45 41 37 100 94 76 30.12 30.08 30.03 8 3 0 7 3 - 0.25 Fog , Rain
18 53 47 42 52 50 41 100 100 93 30.21 30.15 30.08 9 1 0 8 3 - 0.97 Fog , Rain
19 55 48 42 50 45 42 100 96 72 30.28 30.18 30.10 9 3 0 14 7 23 0.04 Fog , Rain
20 64 53 43 45 39 34 100 65 40 30.26 30.19 30.13 10 9 2 7 3 - 0.00  
21 62 56 51 45 39 34 59 51 39 30.12 30.09 30.03 10 10 10 5 2 - 0.00  
22 64 60 57 56 50 38 96 73 42 30.14 30.07 30.00 - - - 7 1 - 0.00  
23 72 64 57 57 52 44 87 67 45 30.14 30.05 29.95 10 10 10 7 1 - 0.00  
24 77 65 55 50 45 40 69 52 34 29.95 29.82 29.67 10 10 9 7 2 - 0.00 Rain
25 60 50 41 48 44 39 100 90 46 30.00 29.86 29.64 10 8 0 12 4 23 0.14 Fog , Rain
26 50 44 39 48 43 37 100 98 85 30.01 29.97 29.94 10 3 0 10 3 28 1.28 Fog , Rain
27 48 44 39 47 43 36 100 97 82 30.31 30.11 29.99 10 4 0 14 7 26 0.19 Fog , Rain
28 52 44 37 41 37 28 100 88 48 30.40 30.33 30.22 10 5 0 10 5 - 0.01 Fog
29 59 50 42 35 32 27 60 49 41 30.21 30.09 29.98 10 10 10 8 7 23 0.00  
30 62 54 46 48 42 32 100 73 48 29.97 29.92 29.85 10 7 0 8 5 18 0.00 Fog