Weather History for Santa Ana, CA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 64 °F 55 °F
Mean Temperature 67 °F 58 °F 48 °F
Min Temperature 63 °F 51 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 17 8 0 234
Cooling Degree Days (base 65) 2 0 0 5
Growing Degree Days (base 50) 16 7 0 214
Dew Point  
Dew Point 63 °F 47 °F 11 °F
Precipitation  
Precipitation 0.55 in 0.07 in 0.00 in 1.93 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 22 mph 3 mph 0 mph
Gust Wind 26 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 30.05 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 6:44 AM PST 4:43 PM PST
Civil Twilight 6:17 AM PST 5:10 PM PST
Nautical Twilight 5:46 AM PST 5:41 PM PST
Astronomical Twilight 5:16 AM PST 6:12 PM PST
Moon 2:31 AM PST (12/9) 1:46 PM PST (12/9)
Length of Visible Light 10h 53m
Length of Day
9h 58m
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 1.93 Normal Month Total: 2.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
69 | 61 0.00
Average:
68 | 48 0.03
Rain
Actual:
70 | 63 0.05
Average:
67 | 48 0.04
Rain
Actual:
70 | 63 0.30
Average:
67 | 48 0.04
Partly Cloudy
Actual:
72 | 60 0.00
Average:
67 | 47 0.03
Fog
Actual:
67 | 55 0.01
Average:
67 | 47 0.04
Partly Cloudy
Actual:
68 | 61 0.00
Average:
67 | 47 0.04
Fog
Actual:
66 | 57 0.00
Average:
66 | 47 0.05
Fog
Actual:
68 | 54 0.00
Average:
66 | 47 0.04
Partly Cloudy
Actual:
69 | 57 0.00
Average:
66 | 47 0.04
Clear
Actual:
77 | 50 0.00
Average:
66 | 46 0.05
Scattered Clouds
Actual:
69 | 50 0.00
Average:
66 | 46 0.04
Rain
Actual:
63 | 53 0.00
Average:
66 | 46 0.04
Rain
Actual:
60 | 55 0.41
Average:
66 | 46 0.05
Rain
Actual:
60 | 46 0.00
Average:
66 | 46 0.05
Rain
Actual:
60 | 48 0.01
Average:
66 | 46 0.05
Rain
Actual:
59 | 54 T
Average:
65 | 46 0.05
Rain
Actual:
62 | 55 0.02
Average:
65 | 46 0.06
Rain
Actual:
61 | 55 0.13
Average:
65 | 46 0.06
Clear
Actual:
61 | 38 0.00
Average:
65 | 46 0.06
Scattered Clouds
Actual:
66 | 38 0.00
Average:
65 | 46 0.07
Partly Cloudy
Actual:
64 | 40 0.00
Average:
65 | 46 0.07
Partly Cloudy
Actual:
62 | 42 0.00
Average:
65 | 46 0.07
Rain
Actual:
63 | 53 T
Average:
65 | 46 0.07
Rain
Actual:
65 | 54 0.55
Average:
65 | 46 0.07
Mostly Cloudy
Actual:
61 | 51 0.01
Average:
66 | 46 0.08
Rain
Actual:
61 | 52 0.16
Average:
66 | 46 0.10
Scattered Clouds
Actual:
62 | 42 0.00
Average:
66 | 46 0.13
Partly Cloudy
Actual:
64 | 43 0.00
Average:
66 | 46 0.14
Rain
Actual:
55 | 43 0.21
Average:
66 | 46 0.14
Rain
Actual:
57 | 39 0.07
Average:
66 | 46 0.14
Scattered Clouds
Actual:
58 | 38 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

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 69 65 61 61 58 57 90 78 66 30.19 30.13 30.09 10 7 2 8 1 10 0.00 Rain
2 70 67 63 59 58 55 87 77 66 30.15 30.11 30.08 10 8 1 10 3 15 0.05 Rain
3 70 67 63 63 59 55 93 82 70 30.19 30.14 30.11 10 5 2 9 6 12 0.30 Rain
4 72 66 60 57 56 54 84 71 57 30.24 30.18 30.14 10 6 4 9 2 14 0.00  
5 67 61 55 56 54 52 93 81 68 30.15 30.08 30.02 10 5 0 9 3 13 0.01 Fog
6 68 65 61 56 55 53 84 74 63 30.02 29.94 29.88 10 7 2 8 3 10 0.00  
7 66 62 57 56 54 51 93 83 72 29.99 29.94 29.91 4 2 0 8 2 12 0.00 Fog
8 68 61 54 55 53 50 89 76 63 30.00 29.95 29.91 6 2 0 10 3 13 0.00 Fog
9 69 63 57 54 52 49 80 68 55 30.13 30.04 29.98 6 4 3 9 3 12 0.00  
10 77 64 50 52 48 41 83 56 29 30.14 30.09 30.04 10 6 2 10 2 12 0.00  
11 69 60 50 55 49 41 74 64 53 30.06 30.01 29.95 10 9 6 10 3 14 0.00  
12 63 58 53 54 50 48 89 75 60 29.97 29.91 29.85 10 10 4 13 6 17 0.00 Rain
13 60 58 55 54 49 39 93 73 53 29.85 29.80 29.75 10 8 2 12 5 15 0.41 Rain
14 60 53 46 44 42 36 86 65 43 30.01 29.90 29.77 10 10 10 15 4 18 0.00 Rain
15 60 54 48 45 41 34 86 62 37 30.11 30.03 29.97 10 10 9 10 4 16 0.01 Rain
16 59 57 54 52 47 43 72 64 55 30.18 30.14 30.11 10 8 3 8 3 13 T Rain
17 62 59 55 54 53 49 93 83 72 30.17 30.11 30.01 10 8 2 10 2 13 0.02 Rain
18 61 58 55 56 48 21 93 71 49 30.02 29.91 29.82 10 8 1 16 4 24 0.13 Rain
19 61 50 38 33 26 11 64 39 14 30.26 30.18 30.02 10 10 10 20 5 24 0.00  
20 66 52 38 38 29 11 70 41 12 30.22 30.14 30.07 10 10 10 8 1 13 0.00  
21 64 52 40 44 36 30 65 49 32 30.13 30.08 30.05 10 10 10 8 1 10 0.00  
22 62 52 42 47 42 35 83 67 51 30.20 30.14 30.07 10 10 10 10 2 14 0.00  
23 63 58 53 52 50 46 83 74 64 30.23 30.17 30.13 10 9 5 13 4 15 T Rain
24 65 60 54 57 53 50 93 80 67 30.13 30.07 30.00 10 8 2 12 6 15 0.55 Rain
25 61 56 51 50 48 46 89 77 64 30.10 30.05 29.99 10 9 6 6 1 10 0.01  
26 61 57 52 52 48 44 93 74 55 30.00 29.96 29.92 10 8 2 15 6 22 0.16 Rain
27 62 52 42 44 41 34 92 64 36 30.11 30.01 29.96 10 10 10 13 2 16 0.00  
28 64 54 43 43 37 30 76 53 30 30.17 30.11 30.08 10 10 10 9 2 12 0.00  
29 55 49 43 50 41 33 89 70 50 30.09 30.03 29.98 10 9 4 13 3 16 0.21 Rain
30 57 48 39 45 40 38 93 70 47 30.07 29.99 29.91 10 7 0 22 1 26 0.07 Fog , Rain
31 58 48 38 43 38 34 92 70 47 30.25 30.19 30.09 10 10 9 13 4 16 0.00