Weather History for Mount Shasta, CA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 40 °F 31 °F
Mean Temperature 47 °F 33 °F 24 °F
Min Temperature 44 °F 26 °F 12 °F
Degree Days  
Heating Degree Days (base 65) 41 32 18 989
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 46 °F 27 °F 8 °F
Precipitation  
Precipitation 1.84 in 0.39 in 0.00 in 10.43 in
Snowdepth - - - -
Wind  
Wind 14 mph 3 mph 0 mph
Gust Wind 29 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.05 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:23 AM PST 4:39 PM PST
Civil Twilight 6:52 AM PST 5:11 PM PST
Nautical Twilight 6:18 AM PST 5:45 PM PST
Astronomical Twilight 5:44 AM PST 6:19 PM PST
Moon 3:01 AM PST (12/9) 1:52 PM PST (12/9)
Length of Visible Light 10h 18m
Length of Day
9h 16m
Waning Crescent, 17% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 10.43 Normal Month Total: 7.85
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
49 | 44 1.80
Average:
46 | 27 0.22
Rain
Actual:
50 | 31 1.84
Average:
46 | 27 0.23
Rain
Actual:
47 | 28 0.09
Average:
46 | 27 0.22
Rain
Actual:
43 | 37 0.36
Average:
45 | 27 0.23
Rain
Actual:
52 | 38 0.17
Average:
45 | 27 0.23
Partly Cloudy
Actual:
47 | 30 0.00
Average:
45 | 27 0.24
Clear
Actual:
43 | 25 0.00
Average:
45 | 26 0.24
Scattered Clouds
Actual:
37 | 29 0.00
Average:
45 | 26 0.24
Scattered Clouds
Actual:
47 | 28 0.00
Average:
45 | 26 0.24
Scattered Clouds
Actual:
53 | 30 0.00
Average:
44 | 26 0.24
Rain
Actual:
44 | 25 0.06
Average:
44 | 26 0.24
Snow
Actual:
39 | 29 0.04
Average:
44 | 26 0.25
Partly Cloudy
Actual:
40 | 24 0.00
Average:
44 | 26 0.25
Snow
Actual:
35 | 21 0.01
Average:
44 | 26 0.25
Snow
Actual:
32 | 17 0.08
Average:
44 | 26 0.26
Snow
Actual:
35 | 31 0.25
Average:
44 | 26 0.26
Rain
Actual:
44 | 22 0.05
Average:
44 | 26 0.28
Snow
Actual:
36 | 16 0.00
Average:
44 | 26 0.27
Mostly Cloudy
Actual:
34 | 14 0.00
Average:
44 | 26 0.29
Snow
Actual:
31 | 27 1.56
Average:
44 | 26 0.28
Snow
Actual:
33 | 30 1.27
Average:
44 | 26 0.28
Snow
Actual:
37 | 32 0.83
Average:
44 | 26 0.28
Snow
Actual:
38 | 32 1.69
Average:
44 | 26 0.27
Snow
Actual:
38 | 24 T
Average:
44 | 26 0.26
Snow
Actual:
33 | 25 0.28
Average:
44 | 26 0.26
Snow
Actual:
36 | 29 0.01
Average:
44 | 26 0.26
Partly Cloudy
Actual:
41 | 21 0.00
Average:
44 | 26 0.26
Snow
Actual:
31 | 18 0.04
Average:
44 | 26 0.26
Snow
Actual:
34 | 20 T
Average:
44 | 26 0.25
Snow
Actual:
37 | 18 T
Average:
44 | 26 0.26
Scattered Clouds
Actual:
35 | 12 T
Average:
44 | 26 0.25
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 49 47 44 45 43 41 92 87 86 29.93 29.77 29.57 10 6 2 10 4 29 1.80 Rain
2 50 41 31 46 38 25 93 82 39 30.16 29.73 29.44 10 6 2 10 2 28 1.84 Rain
3 47 38 28 35 30 25 92 78 58 30.28 30.21 30.15 10 7 1 9 2 18 0.09 Rain
4 43 40 37 39 36 30 89 84 76 30.25 30.18 30.13 10 9 6 14 6 24 0.36 Rain
5 52 45 38 45 39 33 96 87 74 30.25 30.17 30.13 10 7 0 8 1 16 0.17 Fog , Rain
6 47 39 30 36 33 26 89 80 60 30.29 30.20 30.12 10 10 2 13 3 22 0.00  
7 43 34 25 30 26 20 88 76 64 30.29 30.25 30.20 10 10 5 12 4 24 0.00  
8 37 33 29 28 26 22 85 79 64 30.35 30.25 30.13 10 10 9 14 5 23 0.00  
9 47 38 28 32 26 22 78 67 45 30.47 30.41 30.35 10 10 10 10 2 20 0.00  
10 53 42 30 36 31 26 82 74 50 30.46 30.39 30.27 10 10 5 9 3 16 0.00  
11 44 35 25 36 32 21 92 83 70 30.24 29.87 29.69 10 8 3 10 2 23 0.06 Rain
12 39 34 29 34 27 22 96 76 54 29.98 29.84 29.69 10 9 3 12 5 20 0.04 Snow
13 40 32 24 24 23 19 84 74 50 30.04 29.94 29.87 10 10 6 9 2 16 0.00  
14 35 28 21 28 24 16 85 78 66 30.09 29.91 29.80 10 8 1 9 3 16 0.01 Snow
15 32 25 17 27 24 13 84 82 72 30.08 29.97 29.88 10 4 0 13 3 21 0.08 Fog , Snow
16 35 33 31 31 28 26 89 84 72 30.07 29.93 29.72 10 3 0 13 5 26 0.25 Fog , Rain , Snow
17 44 33 22 32 27 17 92 80 39 30.07 29.87 29.71 10 7 0 12 2 20 0.05 Fog , Rain
18 36 26 16 20 16 11 84 67 38 30.23 30.11 30.03 10 9 4 13 3 22 0.00 Snow
19 34 24 14 18 13 10 80 61 41 30.32 30.26 30.19 10 10 6 10 2 23 0.00  
20 31 29 27 27 24 19 92 83 63 30.19 29.98 29.86 10 2 0 13 5 26 1.56 Fog , Snow
21 33 32 30 29 27 27 92 87 78 29.98 29.82 29.67 2 1 0 13 4 22 1.27 Fog , Snow
22 37 35 32 31 29 28 89 85 70 29.99 29.78 29.58 10 3 0 8 3 21 0.83 Fog , Snow
23 38 35 32 33 30 28 92 87 82 29.99 29.83 29.69 10 3 0 9 3 24 1.69 Fog , Snow
24 38 31 24 30 24 20 89 76 59 30.28 30.18 29.93 10 9 2 9 1 16 T Snow
25 33 29 25 28 27 22 92 82 69 30.17 29.89 29.72 10 3 0 12 4 18 0.28 Fog , Snow
26 36 33 29 31 27 23 92 84 64 30.10 29.85 29.69 10 6 1 8 2 16 0.01 Snow
27 41 31 21 28 23 18 88 76 48 30.26 30.18 30.08 10 9 3 9 2 15 0.00  
28 31 25 18 27 24 14 92 86 77 30.24 30.12 30.04 10 4 1 5 0 8 0.04 Snow
29 34 27 20 27 23 16 92 84 75 30.20 30.10 29.99 10 8 2 9 2 17 T Snow
30 37 28 18 25 23 13 85 76 64 30.35 30.18 30.03 10 10 5 9 3 15 T Snow
31 35 24 12 22 17 8 84 76 61 30.42 30.36 30.30 10 10 5 12 2 21 T