Weather History for San Diego, CA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 63 °F 57 °F
Mean Temperature 65 °F 58 °F 50 °F
Min Temperature 62 °F 52 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 15 7 0 220
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 15 7 0 230
Dew Point  
Dew Point 63 °F 47 °F 13 °F
Precipitation  
Precipitation 1.56 in 0.07 in 0.00 in 2.03 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 4 mph 0 mph
Gust Wind 33 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.07 in 29.77 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 6:41 AM PST 4:43 PM PST
Civil Twilight 6:14 AM PST 5:10 PM PST
Nautical Twilight 5:43 AM PST 5:41 PM PST
Astronomical Twilight 5:13 AM PST 6:11 PM PST
Moon 4:44 AM PST (12/11) 3:24 PM PST (12/11)
Length of Visible Light 10h 56m
Length of Day
10h 01m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.03 Normal Month Total: 1.53
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
68 | 61 0.00
Average:
66 | 50 0.04
Partly Cloudy
Actual:
68 | 62 T
Average:
66 | 50 0.04
Partly Cloudy
Actual:
68 | 60 0.00
Average:
66 | 50 0.04
Mostly Cloudy
Actual:
67 | 60 0.00
Average:
66 | 49 0.04
Partly Cloudy
Actual:
64 | 59 0.00
Average:
65 | 49 0.05
Partly Cloudy
Actual:
66 | 59 0.00
Average:
65 | 49 0.04
Partly Cloudy
Actual:
62 | 57 0.00
Average:
65 | 49 0.04
Partly Cloudy
Actual:
64 | 57 0.00
Average:
65 | 49 0.05
Partly Cloudy
Actual:
63 | 55 0.00
Average:
65 | 49 0.05
Scattered Clouds
Actual:
68 | 51 0.00
Average:
65 | 49 0.04
Partly Cloudy
Actual:
71 | 50 0.00
Average:
65 | 48 0.05
Partly Cloudy
Actual:
64 | 55 0.00
Average:
65 | 48 0.04
Rain
Actual:
61 | 55 1.56
Average:
65 | 48 0.04
Rain
Actual:
60 | 53 0.01
Average:
65 | 48 0.05
Rain
Actual:
59 | 51 0.12
Average:
64 | 48 0.05
Rain
Actual:
60 | 53 0.01
Average:
64 | 48 0.05
Rain
Actual:
63 | 56 0.03
Average:
64 | 48 0.04
Rain
Actual:
61 | 56 0.05
Average:
64 | 48 0.05
Clear
Actual:
58 | 44 0.00
Average:
64 | 48 0.05
Scattered Clouds
Actual:
66 | 42 0.00
Average:
64 | 48 0.05
Partly Cloudy
Actual:
60 | 42 0.00
Average:
64 | 48 0.05
Partly Cloudy
Actual:
61 | 45 0.00
Average:
64 | 48 0.05
Partly Cloudy
Actual:
64 | 49 T
Average:
64 | 48 0.06
Rain
Actual:
61 | 52 0.12
Average:
64 | 48 0.05
Partly Cloudy
Actual:
63 | 50 0.00
Average:
64 | 48 0.06
Rain
Actual:
61 | 51 0.04
Average:
64 | 48 0.06
Partly Cloudy
Actual:
60 | 51 T
Average:
64 | 48 0.05
Scattered Clouds
Actual:
63 | 45 0.00
Average:
64 | 48 0.06
Rain
Actual:
59 | 48 0.03
Average:
65 | 48 0.07
Thunderstorm
Actual:
57 | 47 0.06
Average:
65 | 48 0.06
Scattered Clouds
Actual:
58 | 41 0.00
Average:
65 | 48 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

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 68 65 61 63 59 56 100 82 63 30.19 30.14 30.10 10 8 0 15 6 20 0.00 Fog
2 68 65 62 59 56 53 90 77 63 30.17 30.13 30.10 10 10 10 13 5 17 T  
3 68 64 60 61 58 55 90 79 68 30.20 30.17 30.14 10 10 7 8 2 12 0.00  
4 67 64 60 59 57 55 97 83 68 30.24 30.19 30.14 10 8 3 15 7 20 0.00  
5 64 62 59 57 55 54 87 77 67 30.17 30.10 30.04 10 7 2 12 4 14 0.00  
6 66 63 59 56 55 53 80 74 68 30.04 29.96 29.89 10 9 5 13 4 15 0.00  
7 62 60 57 56 55 54 93 83 72 30.00 29.96 29.91 7 4 2 12 4 14 0.00  
8 64 61 57 55 53 52 93 80 67 30.01 29.97 29.92 6 4 1 8 3 12 0.00  
9 63 59 55 52 51 48 80 73 65 30.14 30.05 29.99 7 4 2 9 4 12 0.00  
10 68 60 51 55 49 41 89 63 37 30.14 30.10 30.06 10 6 4 12 4 15 0.00  
11 71 61 50 57 48 33 73 50 26 30.06 30.02 29.97 10 8 5 12 3 14 0.00  
12 64 60 55 54 50 46 86 73 60 30.01 29.95 29.89 10 9 6 12 5 15 0.00  
13 61 58 55 55 50 38 93 80 67 29.88 29.82 29.77 10 7 2 25 7 33 1.56 Rain
14 60 57 53 47 41 36 59 50 40 30.02 29.94 29.81 10 10 9 18 10 22 0.01 Rain
15 59 55 51 49 44 33 89 65 40 30.14 30.03 29.94 10 9 3 14 9 20 0.12 Rain
16 60 57 53 54 48 45 77 66 55 30.20 30.16 30.13 10 9 3 10 4 13 0.01 Rain
17 63 60 56 55 53 50 87 76 65 30.18 30.13 30.04 10 8 2 10 4 12 0.03 Rain
18 61 59 56 56 49 23 93 78 62 30.03 29.95 29.87 10 8 3 23 8 29 0.05 Rain
19 58 51 44 32 26 22 49 37 24 30.26 30.19 30.05 10 10 10 23 6 32 0.00  
20 66 54 42 41 27 13 57 35 12 30.22 30.15 30.09 10 10 9 12 3 14 0.00  
21 60 51 42 45 37 26 71 52 32 30.14 30.09 30.06 10 10 7 7 2 10 0.00  
22 61 53 45 46 42 37 83 67 51 30.23 30.16 30.09 10 10 9 12 3 15 0.00  
23 64 57 49 51 46 39 77 67 57 30.25 30.19 30.14 10 10 9 9 2 12 T  
24 61 57 52 57 52 46 93 83 72 30.17 30.11 30.04 10 7 1 12 4 16 0.12 Rain
25 63 57 50 51 48 43 93 71 48 30.12 30.07 30.02 10 9 6 9 1 12 0.00  
26 61 56 51 52 46 44 83 69 55 30.04 30.01 29.98 10 9 4 18 6 23 0.04 Rain
27 60 56 51 46 42 35 77 60 43 30.13 30.04 29.98 10 10 10 17 5 22 T  
28 63 54 45 42 37 29 76 53 30 30.18 30.13 30.08 10 10 10 12 3 14 0.00  
29 59 54 48 50 40 30 67 54 41 30.11 30.06 30.00 10 10 7 18 7 23 0.03 Rain
30 57 52 47 46 43 37 93 77 61 30.09 30.00 29.94 10 10 4 13 2 17 0.06 Rain , Thunderstorm
31 58 50 41 40 37 30 82 59 36 30.27 30.21 30.11 10 10 10 13 2 15 0.00