Weather History for Santa Ana, CA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 67 °F 55 °F
Mean Temperature 63 °F 56 °F 53 °F
Min Temperature 55 °F 45 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 12 9 2 269
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 6 2 176
Dew Point  
Dew Point 52 °F 36 °F -5 °F
Precipitation  
Precipitation 0.35 in 0.01 in 0.00 in 0.36 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 4 mph 0 mph
Gust Wind 45 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.10 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 14, 2011 Rise Set
Actual Time 6:47 AM PST 4:44 PM PST
Civil Twilight 6:20 AM PST 5:11 PM PST
Nautical Twilight 5:49 AM PST 5:43 PM PST
Astronomical Twilight 5:18 AM PST 6:13 PM PST
Moon 9:00 PM PST (12/14) 9:43 AM PST (12/14)
Length of Visible Light 10h 51m
Length of Day
9h 56m
Waning Gibbous, 82% of the Moon is Illuminated
Dec 14
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Weather History Calendar

Precipitation Actual month total 0.36 Normal Month Total: 2.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
69 | 48 0.00
Average:
68 | 48 0.03
Scattered Clouds
Actual:
66 | 49 0.00
Average:
67 | 48 0.04
Clear
Actual:
67 | 47 0.00
Average:
67 | 48 0.04
Scattered Clouds
Actual:
64 | 41 0.00
Average:
67 | 47 0.03
Clear
Actual:
67 | 42 0.00
Average:
67 | 47 0.04
Clear
Actual:
67 | 40 0.00
Average:
67 | 47 0.04
Clear
Actual:
67 | 38 0.00
Average:
66 | 47 0.05
Scattered Clouds
Actual:
65 | 42 0.00
Average:
66 | 47 0.04
Partly Cloudy
Actual:
70 | 43 0.00
Average:
66 | 47 0.04
Scattered Clouds
Actual:
67 | 44 0.00
Average:
66 | 46 0.05
Rain
Actual:
61 | 48 0.00
Average:
66 | 46 0.04
Rain
Actual:
55 | 53 0.35
Average:
66 | 46 0.04
Partly Cloudy
Actual:
61 | 49 T
Average:
66 | 46 0.05
Scattered Clouds
Actual:
63 | 48 0.01
Average:
66 | 46 0.05
Funnel Cloud
Actual:
62 | 43 0.00
Average:
66 | 46 0.05
Scattered Clouds
Actual:
70 | 46 0.00
Average:
65 | 46 0.05
Rain
Actual:
71 | 55 T
Average:
65 | 46 0.06
Partly Cloudy
Actual:
64 | 49 0.00
Average:
65 | 46 0.06
Rain
Actual:
62 | 51 0.00
Average:
65 | 46 0.06
Scattered Clouds
Actual:
68 | 47 T
Average:
65 | 46 0.07
Scattered Clouds
Actual:
63 | 44 0.00
Average:
65 | 46 0.07
Scattered Clouds
Actual:
66 | 46 0.00
Average:
65 | 46 0.07
Scattered Clouds
Actual:
74 | 40 0.00
Average:
65 | 46 0.07
Clear
Actual:
77 | 38 0.00
Average:
65 | 46 0.07
Clear
Actual:
77 | 41 0.00
Average:
66 | 46 0.08
Scattered Clouds
Actual:
72 | 42 0.00
Average:
66 | 46 0.10
Scattered Clouds
Actual:
67 | 42 0.00
Average:
66 | 46 0.13
Clear
Actual:
73 | 42 0.00
Average:
66 | 46 0.14
Fog
Actual:
71 | 45 0.00
Average:
66 | 46 0.14
Fog
Actual:
62 | 45 0.00
Average:
66 | 46 0.14
Fog
Actual:
68 | 47 0.00
Average:
66 | 46 0.14
 

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 69 59 48 48 27 17 83 49 14 29.92 29.81 29.76 10 10 8 23 3 29 0.00  
2 66 58 49 45 38 29 52 40 27 30.04 29.97 29.92 10 9 8 13 4 17 0.00  
3 67 57 47 42 17 3 71 40 8 30.20 30.08 29.97 10 10 10 21 7 26 0.00  
4 64 53 41 38 25 10 43 28 12 30.25 30.18 30.11 10 10 10 10 3 15 0.00  
5 67 55 42 32 11 -3 67 37 7 30.27 30.20 30.14 10 10 2 22 9 31 0.00  
6 67 54 40 33 20 3 41 25 9 30.32 30.28 30.24 10 10 10 14 4 17 0.00  
7 67 53 38 40 31 22 60 40 20 30.24 30.14 30.07 10 10 10 12 3 14 0.00  
8 65 54 42 49 41 30 62 53 43 30.12 30.08 30.03 10 10 10 12 2 14 0.00  
9 70 57 43 51 44 39 89 63 37 30.16 30.11 30.08 10 8 7 10 2 13 0.00  
10 67 56 44 49 43 36 80 61 42 30.13 30.07 30.04 10 9 6 9 3 12 0.00  
11 61 55 48 47 45 44 86 71 55 30.03 29.95 29.86 10 8 4 12 3 14 0.00 Rain
12 55 54 53 50 46 43 89 78 66 29.86 29.80 29.74 10 9 4 12 5 22 0.35 Rain
13 61 55 49 47 45 40 93 70 46 30.09 29.94 29.85 10 10 10 10 2 14 T  
14 63 56 48 48 46 45 86 71 56 30.26 30.21 30.10 10 9 6 10 3 13 0.01  
15 62 53 43 48 44 39 89 72 55 30.24 30.13 30.06 10 8 3 10 2 14 0.00 Rain , Tornado
16 70 58 46 45 31 20 80 48 16 30.09 30.05 29.97 10 10 10 33 11 45 0.00  
17 71 63 55 51 39 25 55 37 19 30.14 30.07 30.01 10 10 9 17 7 23 T Rain
18 64 57 49 50 47 43 83 70 56 30.18 30.12 30.07 10 10 10 13 3 15 0.00  
19 62 57 51 49 46 44 83 69 55 30.10 30.05 30.00 10 10 8 13 5 18 0.00 Rain
20 68 58 47 49 44 37 93 64 34 30.04 29.99 29.94 10 10 8 10 3 15 T  
21 63 54 44 50 45 36 86 66 46 30.10 30.03 29.99 10 9 6 10 3 14 0.00  
22 66 56 46 46 16 -5 83 45 7 30.36 30.22 30.10 10 10 8 30 11 41 0.00  
23 74 57 40 41 19 -2 38 22 6 30.47 30.39 30.33 10 10 10 15 3 18 0.00  
24 77 58 38 51 33 -1 76 41 5 30.37 30.33 30.27 10 10 10 15 3 18 0.00  
25 77 59 41 31 26 7 62 35 7 30.33 30.25 30.19 10 10 10 10 2 15 0.00  
26 72 57 42 41 31 22 57 36 15 30.25 30.21 30.19 10 10 10 8 2 10 0.00  
27 67 55 42 47 40 31 86 58 29 30.24 30.20 30.14 10 8 1 10 2 14 0.00  
28 73 58 42 47 41 35 82 54 25 30.22 30.16 30.10 10 8 6 8 1 10 0.00  
29 71 58 45 52 45 35 71 54 37 30.10 30.03 29.97 10 8 0 9 2 14 0.00 Fog
30 62 54 45 52 48 43 100 78 56 30.09 30.03 29.99 10 4 0 9 2 13 0.00 Fog
31 68 58 47 52 48 46 100 78 56 30.09 30.02 29.98 10 2 0 9 2 12 0.00 Fog