Weather History for Salem, OR

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 45 °F 33 °F
Mean Temperature 55 °F 39 °F 29 °F
Min Temperature 52 °F 32 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 36 26 10 806
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 6
Dew Point  
Dew Point 54 °F 34 °F 21 °F
Precipitation  
Precipitation 1.19 in 0.13 in 0.00 in 3.32 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 44 mph 4 mph 0 mph
Gust Wind 123 mph 34 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.72 in 30.30 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2011 Rise Set
Actual Time 7:49 AM PST 4:39 PM PST
Civil Twilight 7:16 AM PST 5:13 PM PST
Nautical Twilight 6:39 AM PST 5:50 PM PST
Astronomical Twilight 6:03 AM PST 6:25 PM PST
Moon 10:54 AM PST (12/30) 11:39 PM PST (12/30)
Length of Visible Light 9h 56m
Length of Day
8h 49m
Waxing Crescent, 36% of the Moon is Illuminated
Dec 30
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

Weather History Calendar

Precipitation Actual month total 3.32 Normal Month Total: 6.86
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
50 | 32 T
Average:
48 | 36 0.25
Partly Cloudy
Actual:
51 | 32 T
Average:
48 | 36 0.26
Snow
Actual:
45 | 26 0.00
Average:
48 | 35 0.24
Fog
Actual:
39 | 28 0.00
Average:
48 | 35 0.24
Snow
Actual:
41 | 25 0.00
Average:
47 | 35 0.24
Fog
Actual:
33 | 25 0.00
Average:
47 | 35 0.23
Fog
Actual:
42 | 32 0.00
Average:
47 | 35 0.24
Fog
Actual:
45 | 27 0.00
Average:
47 | 34 0.23
Fog
Actual:
40 | 26 0.00
Average:
47 | 34 0.22
Rain
Actual:
36 | 30 T
Average:
47 | 34 0.22
Fog
Actual:
42 | 33 T
Average:
46 | 34 0.21
Scattered Clouds
Actual:
45 | 29 0.00
Average:
46 | 34 0.22
Clear
Actual:
44 | 23 0.00
Average:
46 | 34 0.22
Rain
Actual:
45 | 25 0.11
Average:
46 | 34 0.22
Rain
Actual:
49 | 37 T
Average:
46 | 34 0.22
Fog
Actual:
45 | 34 0.00
Average:
46 | 34 0.22
Fog
Actual:
41 | 36 0.00
Average:
46 | 34 0.21
Rain
Actual:
47 | 36 0.01
Average:
46 | 34 0.22
Mostly Cloudy
Actual:
44 | 32 0.00
Average:
46 | 33 0.22
Fog
Actual:
45 | 30 T
Average:
46 | 33 0.22
Fog
Actual:
41 | 36 0.00
Average:
45 | 33 0.22
Fog
Actual:
37 | 27 0.00
Average:
45 | 33 0.21
Partly Cloudy
Actual:
54 | 27 0.00
Average:
45 | 33 0.22
Scattered Clouds
Actual:
50 | 31 0.00
Average:
45 | 33 0.22
Rain
Actual:
51 | 33 0.08
Average:
45 | 34 0.21
Rain
Actual:
44 | 32 0.07
Average:
45 | 34 0.21
Rain
Actual:
53 | 44 0.38
Average:
46 | 34 0.21
Rain
Actual:
57 | 52 1.19
Average:
46 | 34 0.21
Rain
Actual:
56 | 48 0.71
Average:
46 | 34 0.20
Rain
Actual:
55 | 36 0.77
Average:
46 | 34 0.20
Fog
Actual:
41 | 30 0.00
Average:
46 | 34 0.20
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 50 41 32 36 34 32 100 76 52 30.72 30.64 30.48 10 7 0 10 3 12 T Fog
2 51 42 32 39 34 30 92 77 61 30.49 30.46 30.43 10 9 7 10 3 17 T  
3 45 36 26 35 29 25 100 83 65 30.53 30.50 30.47 10 4 0 44 2 116 0.00 Fog , Snow
4 39 34 28 36 31 25 96 88 79 30.55 30.52 30.49 8 4 0 12 3 14 0.00 Fog
5 41 33 25 33 26 23 92 84 76 30.52 30.47 30.40 10 4 0 8 2 30 0.00 Fog , Snow
6 33 29 25 31 27 23 100 93 85 30.49 30.44 30.39 6 2 0 6 1 7 0.00 Fog
7 42 37 32 37 33 28 96 91 85 30.48 30.42 30.36 10 3 0 18 3 123 0.00 Fog
8 45 36 27 34 30 25 92 79 65 30.38 30.33 30.28 10 6 0 13 3 15 0.00 Fog
9 40 33 26 33 28 24 100 88 76 30.30 30.25 30.20 8 2 0 9 4 21 0.00 Fog
10 36 33 30 32 30 28 100 91 82 30.22 30.18 30.13 5 2 0 7 1 17 T Fog , Rain
11 42 38 33 36 34 32 100 90 79 30.14 30.10 30.08 10 4 0 13 2 21 T Fog
12 45 37 29 32 27 22 92 69 45 30.18 30.11 30.03 10 10 10 18 8 23 0.00  
13 44 34 23 27 24 21 88 69 49 30.16 30.05 30.01 10 10 10 7 1 7 0.00  
14 45 35 25 35 31 23 92 79 65 30.21 30.14 30.09 10 7 2 10 3 20 0.11 Rain
15 49 43 37 44 39 35 96 88 80 30.50 30.29 30.11 10 5 1 13 4 15 T Rain
16 45 40 34 40 38 33 100 92 83 30.52 30.46 30.40 10 4 0 8 2 9 0.00 Fog
17 41 39 36 39 37 35 100 96 92 30.39 30.24 30.14 6 2 0 8 2 10 0.00 Fog
18 47 42 36 41 37 34 100 91 82 30.42 30.26 30.15 10 6 1 8 2 12 0.01 Rain
19 44 38 32 40 38 31 96 86 76 30.47 30.44 30.38 10 7 4 13 4 16 0.00  
20 45 38 30 40 34 28 100 88 76 30.44 30.39 30.33 10 4 0 13 3 82 T Fog
21 41 39 36 38 36 33 100 90 79 30.48 30.45 30.41 10 5 0 14 5 114 0.00 Fog
22 37 32 27 32 28 25 100 88 75 30.46 30.43 30.37 10 4 0 8 2 25 0.00 Fog
23 54 41 27 36 31 27 92 65 38 30.61 30.56 30.47 10 9 7 10 2 14 0.00  
24 50 41 31 36 33 29 96 74 52 30.56 30.43 30.25 10 9 6 8 1 23 0.00  
25 51 42 33 45 37 31 96 81 65 30.42 30.30 30.14 10 9 2 22 8 28 0.08 Rain
26 44 38 32 40 35 32 100 88 76 30.41 30.34 30.27 10 4 0 20 5 - 0.07 Fog , Rain
27 53 49 44 49 42 39 89 76 63 30.27 30.12 29.95 10 9 4 33 17 41 0.38 Rain
28 57 55 52 54 51 45 93 88 83 30.04 29.97 29.85 10 6 2 28 15 37 1.19 Rain
29 56 52 48 52 48 42 93 82 71 30.14 29.87 29.70 10 8 2 23 10 30 0.71 Rain
30 55 46 36 52 41 33 93 82 71 30.35 29.95 29.70 10 9 2 24 7 33 0.77 Rain
31 41 36 30 37 34 30 100 90 79 30.39 30.31 30.22 10 7 0 8 3 9 0.00 Fog