Weather History for Mount Shasta, CA

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 47 °F 23 °F
Mean Temperature 48 °F 35 °F 12 °F
Min Temperature 36 °F 22 °F 1 °F
Degree Days  
Heating Degree Days (base 65) 53 30 17 938
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 40 °F 20 °F -6 °F
Precipitation  
Precipitation 0.20 in 0.01 in 0.00 in 0.24 in
Snowdepth - - - -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 34 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.69 in 30.32 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2013 Rise Set
Actual Time 7:25 AM PST 4:40 PM PST
Civil Twilight 6:54 AM PST 5:11 PM PST
Nautical Twilight 6:19 AM PST 5:46 PM PST
Astronomical Twilight 5:45 AM PST 6:19 PM PST
Moon 1:19 PM PST (12/11) 1:49 AM PST (12/11)
Length of Visible Light 10h 17m
Length of Day
9h 14m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Weather History Calendar

Precipitation Actual month total 0.24 Normal Month Total: 7.85
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
63 | 32 0.00
Average:
46 | 27 0.22
Clear
Actual:
48 | 30 0.03
Average:
46 | 27 0.23
Partly Cloudy
Actual:
36 | 26 T
Average:
46 | 27 0.22
Clear
Actual:
30 | 11 0.00
Average:
45 | 27 0.23
Scattered Clouds
Actual:
32 | 7 0.00
Average:
45 | 27 0.23
Snow
Actual:
30 | 19 0.20
Average:
45 | 27 0.24
Snow
Actual:
29 | 5 T
Average:
45 | 26 0.24
Clear
Actual:
23 | 1 0.00
Average:
45 | 26 0.24
Clear
Actual:
30 | 4 0.00
Average:
45 | 26 0.24
Clear
Actual:
33 | 12 0.00
Average:
44 | 26 0.24
Clear
Actual:
42 | 17 0.00
Average:
44 | 26 0.24
Scattered Clouds
Actual:
52 | 18 0.00
Average:
44 | 26 0.25
Scattered Clouds
Actual:
49 | 25 0.00
Average:
44 | 26 0.25
Clear
Actual:
50 | 25 0.00
Average:
44 | 26 0.25
Clear
Actual:
50 | 27 0.00
Average:
44 | 26 0.26
Clear
Actual:
53 | 27 0.00
Average:
44 | 26 0.26
Clear
Actual:
58 | 28 0.00
Average:
44 | 26 0.28
Scattered Clouds
Actual:
51 | 26 0.00
Average:
44 | 26 0.27
Snow
Actual:
40 | 30 0.01
Average:
44 | 26 0.29
Partly Cloudy
Actual:
52 | 24 T
Average:
44 | 26 0.28
Scattered Clouds
Actual:
54 | 36 0.00
Average:
44 | 26 0.28
Scattered Clouds
Actual:
57 | 30 0.00
Average:
44 | 26 0.28
Scattered Clouds
Actual:
55 | 28 0.00
Average:
44 | 26 0.27
Clear
Actual:
51 | 28 0.00
Average:
44 | 26 0.26
Clear
Actual:
51 | 23 0.00
Average:
44 | 26 0.26
Clear
Actual:
53 | 26 0.00
Average:
44 | 26 0.26
Clear
Actual:
55 | 25 0.00
Average:
44 | 26 0.26
Clear
Actual:
51 | 27 0.00
Average:
44 | 26 0.26
Clear
Actual:
52 | 22 0.00
Average:
44 | 26 0.25
Clear
Actual:
58 | 25 0.00
Average:
44 | 26 0.26
Scattered Clouds
Actual:
57 | 30 0.00
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

2013 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 63 48 32 39 33 28 82 66 42 30.45 30.37 30.28 10 9 5 7 1 12 0.00  
2 48 39 30 28 27 27 85 84 82 30.24 30.22 30.20 7 6 5 13 2 24 0.03  
3 36 31 26 19 17 11 63 56 47 30.07 30.00 29.91 10 10 10 18 9 30 T  
4 30 21 11 9 5 2 67 53 36 30.25 30.18 30.08 10 9 5 12 5 25 0.00  
5 32 20 7 7 4 -1 73 55 32 30.29 30.20 30.02 10 9 2 10 4 17 0.00  
6 30 25 19 21 16 5 88 72 42 30.17 29.94 29.77 10 3 0 13 3 19 0.20 Snow
7 29 17 5 20 13 0 88 72 50 30.36 30.02 29.74 10 6 1 12 4 20 T Snow
8 23 12 1 9 2 -6 79 69 57 30.59 30.47 30.36 10 9 4 12 3 19 0.00  
9 30 17 4 11 5 -2 83 61 43 30.69 30.62 30.57 10 10 8 13 5 20 0.00  
10 33 23 12 13 10 5 70 54 43 30.56 30.49 30.43 10 10 6 12 6 21 0.00  
11 42 30 17 20 16 13 84 66 41 30.45 30.40 30.25 10 8 2 10 4 19 0.00  
12 52 35 18 32 19 13 84 61 24 30.41 30.33 30.25 10 7 3 7 1 15 0.00  
13 49 37 25 29 25 21 85 64 46 30.52 30.42 30.29 10 9 4 12 2 20 0.00  
14 50 38 25 30 25 20 81 68 46 30.58 30.54 30.48 10 10 9 9 4 18 0.00  
15 50 39 27 29 24 17 82 61 42 30.54 30.50 30.45 10 10 9 12 6 20 0.00  
16 53 40 27 26 23 17 70 58 32 30.51 30.44 30.38 10 10 5 13 5 21 0.00  
17 58 43 28 27 23 20 75 58 30 30.38 30.30 30.20 10 8 4 9 2 15 0.00  
18 51 39 26 28 24 18 75 60 36 30.18 30.02 29.83 10 10 7 17 6 30 0.00  
19 40 35 30 28 18 8 75 56 32 30.17 30.04 29.84 10 10 4 20 8 34 0.01 Snow
20 52 38 24 40 21 8 66 47 30 30.16 30.09 30.00 10 10 9 16 7 27 T  
21 54 45 36 38 33 31 76 61 46 30.28 30.12 29.99 10 10 10 17 8 33 0.00  
22 57 44 30 37 33 26 85 69 47 30.48 30.38 30.27 10 10 8 16 5 25 0.00  
23 55 42 28 36 30 22 85 66 43 30.54 30.49 30.46 10 10 7 12 4 21 0.00  
24 51 40 28 36 30 20 89 74 50 30.56 30.51 30.46 10 10 5 9 4 16 0.00  
25 51 37 23 31 23 15 78 63 41 30.56 30.51 30.43 10 10 8 13 5 22 0.00  
26 53 40 26 29 21 16 69 57 35 30.49 30.43 30.36 10 9 3 10 4 17 0.00  
27 55 40 25 24 20 15 68 51 29 30.38 30.32 30.26 10 8 5 6 1 10 0.00  
28 51 39 27 23 19 14 64 51 27 30.42 30.37 30.29 10 10 7 10 4 19 0.00  
29 52 37 22 16 13 10 57 43 23 30.45 30.40 30.35 10 9 5 9 4 17 0.00  
30 58 42 25 20 17 14 68 45 19 30.40 30.34 30.28 10 8 4 8 1 14 0.00  
31 57 44 30 21 18 15 59 44 22 30.38 30.34 30.30 10 9 5 9 2 15 0.00