Weather History for Santa Monica, CA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 63 °F 52 °F
Mean Temperature 60 °F 54 °F 50 °F
Min Temperature 53 °F 45 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 15 11 5 338
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 4 0 123
Dew Point  
Dew Point 55 °F 36 °F -2 °F
Precipitation  
Precipitation 0.65 in 0.02 in 0.00 in 0.68 in
Snowdepth - - - -
Wind  
Wind 21 mph 3 mph 0 mph
Gust Wind 37 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.10 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2011 Rise Set
Actual Time 6:49 AM PST 4:44 PM PST
Civil Twilight 6:21 AM PST 5:12 PM PST
Nautical Twilight 5:50 AM PST 5:43 PM PST
Astronomical Twilight 5:19 AM PST 6:14 PM PST
Moon 5:59 PM PST (12/11) 7:41 AM PST (12/11)
Length of Visible Light 10h 51m
Length of Day
9h 55m
Full, 99% of the Moon is Illuminated
Dec 11
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Weather History Calendar

Precipitation Actual month total 0.68 Average Month Total: 1.89
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
66 | 53 0.00
Average:
68 | 49 0.03
Clear
Actual:
63 | 48 0.00
Average:
70 | 49 0.03
Clear
Actual:
66 | 46 0.00
Average:
69 | 50 0.10
Clear
Actual:
62 | 45 0.00
Average:
68 | 48 0.17
Clear
Actual:
63 | 41 0.00
Average:
67 | 48 0.14
Clear
Actual:
61 | 39 0.00
Average:
68 | 48 0.12
Clear
Actual:
64 | 42 0.00
Average:
69 | 48 0.13
Clear
Actual:
66 | 43 0.00
Average:
68 | 48 0.05
Clear
Actual:
64 | 42 0.00
Average:
68 | 48 0.03
Scattered Clouds
Actual:
64 | 46 0.00
Average:
67 | 47 0.00
Partly Cloudy
Actual:
57 | 48 0.00
Average:
66 | 47 0.05
Rain
Actual:
52 | 48 0.65
Average:
66 | 45 0.01
Scattered Clouds
Actual:
62 | 48 0.00
Average:
66 | 46 0.00
Scattered Clouds
Actual:
60 | 45 0.00
Average:
65 | 44 0.02
Partly Cloudy
Actual:
57 | 44 0.00
Average:
67 | 46 0.02
Clear
Actual:
69 | 41 0.01
Average:
68 | 47 0.03
Rain
Actual:
62 | 52 0.00
Average:
67 | 47 0.01
Scattered Clouds
Actual:
61 | 48 0.00
Average:
66 | 46 0.14
Partly Cloudy
Actual:
57 | 46 0.00
Average:
65 | 46 0.16
Clear
Actual:
64 | 45 0.00
Average:
66 | 45 0.01
Scattered Clouds
Actual:
62 | 43 0.00
Average:
64 | 45 0.09
Scattered Clouds
Actual:
66 | 46 0.00
Average:
65 | 46 0.04
Clear
Actual:
64 | 39 0.00
Average:
67 | 45 0.02
Clear
Actual:
69 | 42 0.00
Average:
66 | 45 0.10
Clear
Actual:
69 | 44 0.00
Average:
67 | 45 0.13
Clear
Actual:
66 | 44 0.00
Average:
67 | 45 0.02
Clear
Actual:
66 | 42 0.00
Average:
65 | 44 0.07
Clear
Actual:
71 | 45 0.00
Average:
63 | 46 0.06
Fog
Actual:
68 | 48 0.00
Average:
65 | 45 0.11
Fog
Actual:
55 | 46 0.01
Average:
65 | 45 0.00
Fog
Actual:
60 | 44 0.01
Average:
66 | 45 0.00
 

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 66 60 53 40 23 15 59 26 14 29.93 29.82 29.78 10 10 10 20 11 37 0.00  
2 63 56 48 50 39 27 71 54 26 30.01 29.97 29.94 10 10 10 14 5 21 0.00  
3 66 56 46 40 19 1 77 34 8 30.22 30.08 29.98 10 10 10 14 4 24 0.00  
4 62 54 45 37 24 10 61 36 14 30.24 30.17 30.11 10 10 10 8 3 - 0.00  
5 63 52 41 35 24 5 70 38 12 30.29 30.20 30.14 10 10 10 9 4 - 0.00  
6 61 50 39 37 21 10 53 33 13 30.34 30.29 30.26 10 10 10 9 3 - 0.00  
7 64 53 42 47 28 10 74 43 16 30.25 30.15 30.06 10 10 10 8 4 - 0.00  
8 66 54 43 41 34 22 68 51 19 30.12 30.07 30.04 10 10 10 7 3 - 0.00  
9 64 53 42 51 41 32 89 64 37 30.16 30.11 30.08 10 10 8 8 3 - 0.00  
10 64 55 46 50 41 28 93 63 41 30.14 30.07 30.03 10 9 7 8 3 - 0.00  
11 57 52 48 48 45 42 87 75 56 30.02 29.95 29.86 10 8 5 6 2 - 0.00  
12 52 50 48 49 46 44 93 86 77 29.86 29.80 29.75 10 7 2 10 3 - 0.65 Rain
13 62 55 48 46 41 37 87 64 41 30.09 29.94 29.86 10 10 10 10 4 18 0.00  
14 60 52 45 49 43 38 83 71 59 30.27 30.21 30.12 10 10 7 7 2 - 0.00  
15 57 50 44 46 43 39 89 77 62 30.24 30.15 30.07 10 9 6 7 3 - 0.00  
16 69 55 41 42 37 27 93 59 22 30.11 30.06 30.02 10 10 7 12 2 - 0.01  
17 62 57 52 48 40 31 67 53 41 30.14 30.08 30.02 10 10 10 6 2 - 0.00 Rain
18 61 54 48 49 46 42 86 74 62 30.18 30.12 30.07 10 10 8 7 2 - 0.00  
19 57 52 46 48 46 45 93 78 62 30.10 30.05 30.00 10 9 5 8 3 - 0.00  
20 64 54 45 49 44 36 90 70 38 30.05 30.00 29.94 10 9 6 6 1 - 0.00  
21 62 52 43 51 43 31 93 69 48 30.10 30.03 29.98 10 9 6 7 4 - 0.00  
22 66 56 46 49 24 -2 89 44 7 30.37 30.22 30.10 10 9 6 21 3 30 0.00  
23 64 52 39 45 23 10 64 37 12 30.47 30.39 30.36 10 10 10 9 4 - 0.00  
24 69 56 42 28 20 5 51 28 8 30.38 30.34 30.28 10 10 10 6 3 - 0.00  
25 69 56 44 50 30 16 86 44 13 30.33 30.27 30.21 10 10 8 6 4 - 0.00  
26 66 55 44 48 33 22 86 49 18 30.25 30.21 30.18 10 10 9 6 4 - 0.00  
27 66 54 42 48 36 27 77 57 23 30.23 30.20 30.15 10 10 8 8 2 - 0.00  
28 71 58 45 48 38 28 86 57 24 30.22 30.17 30.12 10 10 9 6 3 - 0.00  
29 68 58 48 55 44 32 100 68 26 30.10 30.04 29.98 10 6 0 8 2 - 0.00 Fog
30 55 50 46 52 49 43 100 92 80 30.10 30.03 30.00 10 3 0 7 2 - 0.01 Fog
31 60 52 44 52 47 40 100 89 67 30.09 30.02 29.99 6 3 0 7 2 - 0.01 Fog