Weather History for Spokane, WA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 49 °F 34 °F 25 °F
Mean Temperature 46 °F 29 °F 22 °F
Min Temperature 42 °F 23 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 43 36 19 1114
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 47 °F 24 °F 13 °F
Precipitation  
Precipitation 0.25 in 0.05 in 0.00 in 1.01 in
Snowdepth 1.0 in 0.0 in 0.0 in -
Wind  
Wind 37 mph 6 mph 0 mph
Gust Wind 48 mph 28 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.75 in 30.27 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 15, 2011 Rise Set
Actual Time 7:31 AM PST 3:58 PM PST
Civil Twilight 6:55 AM PST 4:34 PM PST
Nautical Twilight 6:16 AM PST 5:14 PM PST
Astronomical Twilight 5:38 AM PST 5:51 PM PST
Moon 9:50 PM PST (12/15) 10:32 AM PST (12/15)
Length of Visible Light 9h 39m
Length of Day
8h 27m
Waning Gibbous, 73% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Weather History Calendar

Precipitation Actual month total 1.01 Normal Month Total: 2.30
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
38 | 24 0.00
Average:
35 | 25 0.09
Clear
Actual:
40 | 22 0.00
Average:
34 | 25 0.08
Partly Cloudy
Actual:
32 | 22 0.00
Average:
34 | 25 0.09
Partly Cloudy
Actual:
40 | 21 0.00
Average:
34 | 24 0.08
Partly Cloudy
Actual:
42 | 20 0.00
Average:
34 | 24 0.08
Scattered Clouds
Actual:
38 | 22 0.00
Average:
33 | 24 0.09
Scattered Clouds
Actual:
36 | 18 0.00
Average:
33 | 24 0.08
Snow
Actual:
28 | 15 T
Average:
33 | 23 0.08
Snow
Actual:
27 | 20 T
Average:
33 | 23 0.07
Snow
Actual:
35 | 18 0.01
Average:
32 | 23 0.08
Snow
Actual:
25 | 18 T
Average:
32 | 23 0.07
Partly Cloudy
Actual:
29 | 20 T
Average:
32 | 22 0.08
Snow
Actual:
26 | 23 0.01
Average:
32 | 22 0.07
Snow
Actual:
28 | 23 T
Average:
32 | 22 0.07
Snow
Actual:
29 | 26 0.02
Average:
32 | 22 0.08
Fog
Actual:
34 | 27 T
Average:
32 | 22 0.07
Fog
Actual:
36 | 25 0.00
Average:
32 | 22 0.07
Snow
Actual:
32 | 25 T
Average:
31 | 22 0.07
Fog
Actual:
31 | 25 T
Average:
31 | 22 0.08
Snow
Actual:
29 | 24 T
Average:
31 | 22 0.07
Scattered Clouds
Actual:
34 | 15 0.00
Average:
31 | 22 0.07
Fog
Actual:
28 | 16 0.00
Average:
31 | 22 0.08
Fog
Actual:
28 | 17 0.00
Average:
31 | 22 0.07
Snow
Actual:
30 | 20 0.06
Average:
31 | 22 0.07
Fog
Actual:
39 | 27 T
Average:
32 | 22 0.06
Snow
Actual:
35 | 25 0.05
Average:
32 | 22 0.07
Snow
Actual:
42 | 31 0.21
Average:
32 | 22 0.07
Rain
Actual:
49 | 42 0.25
Average:
32 | 22 0.07
Snow
Actual:
47 | 33 0.21
Average:
32 | 22 0.06
Rain
Actual:
43 | 30 0.19
Average:
32 | 22 0.07
Partly Cloudy
Actual:
34 | 26 0.00
Average:
32 | 22 0.06
 

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 38 31 24 30 27 20 100 82 64 30.75 30.59 30.17 10 6 0 12 6 17 0.00 Fog
2 40 31 22 25 18 14 100 67 33 30.40 30.30 30.14 10 10 10 23 7 28 0.00  
3 32 27 22 25 21 15 85 73 61 30.40 30.36 30.27 10 10 10 13 5 14 0.00  
4 40 31 21 25 20 16 100 70 40 30.59 30.51 30.35 10 10 10 13 4 16 0.00  
5 42 31 20 23 19 14 78 67 56 30.55 30.49 30.36 10 10 10 10 4 14 0.00  
6 38 30 22 23 21 17 88 68 48 30.41 30.37 30.30 10 10 10 8 1 10 0.00  
7 36 27 18 25 20 13 100 81 61 30.42 30.38 30.28 10 10 9 7 1 8 0.00  
8 28 22 15 25 21 13 100 91 81 30.48 30.41 30.32 10 2 0 9 3 12 T Fog , Snow
9 27 24 20 24 22 18 96 90 84 30.53 30.45 30.26 10 2 0 9 5 12 T Fog , Snow
10 35 27 18 28 20 16 92 85 78 30.33 30.14 29.97 10 8 0 10 4 13 0.01 Fog , Snow
11 25 22 18 23 19 15 96 90 84 30.14 30.06 29.97 8 3 0 8 2 9 T Snow
12 29 25 20 25 22 19 96 91 85 30.24 30.18 30.10 10 7 2 10 3 12 T  
13 26 25 23 25 23 21 100 94 88 30.18 30.12 30.02 9 1 0 8 3 10 0.01 Fog , Snow
14 28 26 23 25 23 19 88 83 78 30.26 30.17 30.07 10 8 2 8 4 9 T Snow
15 29 28 26 27 24 21 92 87 81 30.50 30.28 30.09 8 4 0 12 4 14 0.02 Snow
16 34 31 27 34 30 27 100 96 92 30.54 30.48 30.41 3 1 0 9 3 14 T Fog
17 36 31 25 30 27 23 100 88 75 30.48 30.28 30.02 10 2 0 6 2 8 0.00 Fog
18 32 29 25 28 26 23 100 93 85 30.40 30.18 29.99 10 6 0 13 4 15 T Fog , Snow
19 31 28 25 28 26 23 92 88 84 30.48 30.40 30.27 10 6 0 8 4 13 T Fog
20 29 27 24 27 25 22 100 96 92 30.35 30.15 30.01 10 4 0 18 6 21 T Fog , Snow
21 34 25 15 25 21 13 96 79 61 30.58 30.41 30.15 10 10 10 13 4 13 0.00  
22 28 22 16 22 17 14 100 91 81 30.63 30.52 30.42 10 2 0 7 3 8 0.00 Fog
23 28 23 17 24 18 14 92 85 77 30.66 30.53 30.39 10 5 0 7 2 8 0.00 Fog
24 30 25 20 29 25 17 100 94 88 30.63 30.54 30.42 10 3 0 9 4 12 0.06 Fog , Rain , Snow
25 39 33 27 31 27 23 100 77 54 30.43 30.21 30.00 10 6 0 28 11 36 T Fog
26 35 30 25 30 27 22 100 88 75 30.39 30.28 30.16 10 6 0 22 6 25 0.05 Fog , Snow
27 42 37 31 40 34 29 100 88 76 30.21 30.04 29.76 10 8 2 23 11 30 0.21 Rain , Snow
28 49 46 42 47 43 40 93 87 80 29.86 29.75 29.60 10 9 4 37 24 48 0.25 Rain
29 47 40 33 38 33 29 96 83 70 29.99 29.83 29.63 10 8 2 30 13 36 0.21 Rain , Snow
30 43 37 30 42 35 22 100 86 72 29.96 29.66 29.54 10 10 6 25 17 31 0.19 Rain
31 34 30 26 24 23 20 85 75 64 30.48 30.35 30.02 10 10 10 23 10 30 0.00