History for Concord, CA

Month of December, 2012 — View Current Conditions
Month of December, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 65 °F 56 °F 44 °F
Mean Temperature 60 °F 48 °F 39 °F
Min Temperature 56 °F 40 °F 28 °F
Degree Days
Heating Degree Days (base 65) 26 17 5 520
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 36
Dew Point
Dew Point 59 °F 42 °F 23 °F
Precipitation
Precipitation 1.76 in 0.17 in 0.00 in 5.09 in
Snowdepth - - - -
Wind
Wind 29 mph 5 mph 0 mph
Gust Wind 37 mph 23 mph 17 mph
Sea Level Pressure
Sea Level Pressure 30.28 in 30.03 in 29.71 in
Monthly Graph
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Date:
Astronomy
May. 22, 2013 Rise Set
Actual Time 7:14 AM PST 4:49 PM PST
Civil Twilight 6:45 AM PST 5:18 PM PST
Nautical Twilight 6:12 AM PST 5:51 PM PST
Astronomical Twilight 5:40 AM PST 6:23 PM PST
Moon 5:16 AM PST (12/11) 3:32 PM PST (12/11)
Length Of Visible Light 10h 33m
Length of Day
9h 34m
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
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 5.09 Average month total 2.45
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Rain
Actual: 63 | 56
Precip: 0.29
Average: 56 | 41
Precip: 0.05
2 Rain
Actual: 62 | 45
Precip: 1.76
Average: 56 | 41
Precip: 0.06
3 Scattered Clouds
Actual: 60 | 41
Precip: 0.00
Average: 56 | 41
Precip: 0.06
4 Rain
Actual: 60 | 49
Precip: 0.04
Average: 56 | 41
Precip: 0.06
5 Rain
Actual: 58 | 55
Precip: 0.30
Average: 56 | 41
Precip: 0.06
6 Partly Cloudy
Actual: 58 | 44
Precip: 0.01
Average: 56 | 41
Precip: 0.07
7 Fog
Actual: 63 | 38
Precip: 0.00
Average: 56 | 41
Precip: 0.07
8 Fog
Actual: 58 | 39
Precip: 0.00
Average: 56 | 40
Precip: 0.07
9 Clear
Actual: 65 | 38
Precip: 0.00
Average: 56 | 40
Precip: 0.07
10 Clear
Actual: 63 | 41
Precip: 0.00
Average: 56 | 40
Precip: 0.07
11 Snow
Actual: 57 | 38
Precip: T
Average: 55 | 40
Precip: 0.08
12 Rain
Actual: 55 | 39
Precip: 0.04
Average: 55 | 39
Precip: 0.08
13 Snow
Actual: 53 | 34
Precip: 0.00
Average: 55 | 39
Precip: 0.08
14 Snow
Actual: 51 | 36
Precip: 0.00
Average: 55 | 39
Precip: 0.08
15 Snow
Actual: 46 | 33
Precip: 0.17
Average: 55 | 38
Precip: 0.08
16 Overcast
Actual: 54 | 42
Precip: 0.01
Average: 54 | 38
Precip: 0.08
17 Rain
Actual: 57 | 46
Precip: 0.16
Average: 54 | 38
Precip: 0.08
18 Snow
Actual: 52 | 34
Precip: 0.00
Average: 54 | 37
Precip: 0.08
19 Clear
Actual: 52 | 30
Precip: 0.00
Average: 54 | 37
Precip: 0.09
20 Scattered Clouds
Actual: 58 | 28
Precip: 0.00
Average: 54 | 37
Precip: 0.09
21 Rain
Actual: 58 | 50
Precip: 0.23
Average: 54 | 37
Precip: 0.09
22 Rain
Actual: 57 | 47
Precip: 0.84
Average: 54 | 37
Precip: 0.09
23 Rain
Actual: 55 | 46
Precip: 0.57
Average: 54 | 37
Precip: 0.09
24 Clear
Actual: 54 | 38
Precip: 0.00
Average: 54 | 37
Precip: 0.09
25 Rain
Actual: 50 | 38
Precip: 0.62
Average: 54 | 38
Precip: 0.09
26 Rain
Actual: 55 | 42
Precip: 0.02
Average: 54 | 38
Precip: 0.09
27 Clear
Actual: 54 | 39
Precip: 0.00
Average: 54 | 38
Precip: 0.09
28 Partly Cloudy
Actual: 44 | 33
Precip: 0.00
Average: 54 | 38
Precip: 0.09
29 Rain
Actual: 53 | 38
Precip: 0.03
Average: 54 | 38
Precip: 0.09
30 Clear
Actual: 54 | 34
Precip: 0.00
Average: 54 | 38
Precip: 0.09
31 Scattered Clouds
Actual: 51 | 30
Precip: 0.00
Average: 54 | 38
Precip: 0.09
 
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 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 63 60 56 59 56 52 93 86 78 30.00 29.95 29.84 10 7 2 20 10 25 0.29 Rain
2 62 54 45 59 52 44 100 79 57 30.07 29.87 29.71 10 7 1 28 10 37 1.76 Rain
3 60 51 41 48 46 41 100 81 62 30.18 30.13 30.07 10 10 10 8 3 16 0.00  
4 60 55 49 54 51 47 100 86 72 30.19 30.15 30.11 10 10 4 8 1 21 0.04 Rain
5 58 57 55 57 55 52 100 93 86 30.17 30.12 30.08 10 5 1 15 5 17 0.30 Rain
6 58 51 44 54 50 44 100 86 72 30.14 30.09 30.04 10 7 1 10 2 12 0.01  
7 63 51 38 48 43 37 100 75 49 30.13 30.08 30.03 10 8 2 9 1 12 0.00 Fog
8 58 49 39 44 41 38 100 74 47 30.11 30.06 30.01 10 6 0 9 2 12 0.00 Fog
9 65 52 38 43 40 37 100 69 37 30.16 30.11 30.07 10 10 7 8 1 15 0.00  
10 63 52 41 46 43 40 100 74 48 30.22 30.14 30.08 10 10 6 10 3 16 0.00  
11 57 48 38 50 44 37 100 89 77 30.06 29.93 29.81 10 9 2 18 7 22 T Snow
12 55 47 39 48 42 37 93 72 51 29.87 29.83 29.79 10 10 3 16 7 21 0.04 Rain
13 53 44 34 40 36 33 100 73 46 29.95 29.87 29.83 10 10 9 12 3 15 0.00 Snow
14 51 44 36 41 37 33 92 77 61 30.00 29.89 29.79 10 10 8 9 3 24 0.00 Snow
15 46 40 33 45 40 33 100 92 83 30.08 30.02 29.98 10 8 2 12 3 16 0.17 Rain , Snow
16 54 48 42 52 45 41 100 87 74 30.10 30.04 29.97 10 7 2 18 3 24 0.01  
17 57 52 46 54 49 40 100 86 72 30.05 29.98 29.93 10 8 2 17 7 24 0.16 Rain
18 52 43 34 40 32 28 100 71 41 30.16 30.03 29.96 10 10 9 22 8 29 0.00 Snow
19 52 41 30 32 29 23 92 64 36 30.28 30.22 30.17 10 10 9 9 3 24 0.00  
20 58 43 28 35 30 27 100 68 35 30.19 30.07 29.96 10 10 8 22 8 28 0.00  
21 58 54 50 52 45 33 100 72 44 29.95 29.88 29.83 10 9 2 26 9 32 0.23 Rain
22 57 52 47 50 47 44 93 78 62 30.08 29.92 29.81 10 9 2 21 8 28 0.84 Rain
23 55 51 46 52 48 43 96 87 77 30.04 29.91 29.82 10 8 2 29 11 35 0.57 Rain
24 54 46 38 43 40 38 100 77 54 30.18 30.12 30.01 10 10 5 10 3 21 0.00  
25 50 44 38 46 41 37 93 88 82 30.12 29.94 29.75 10 8 2 18 4 23 0.62 Rain
26 55 49 42 45 42 39 96 80 64 30.07 29.93 29.83 10 10 9 22 8 30 0.02 Rain
27 54 47 39 40 38 36 93 74 54 30.14 30.10 30.06 10 10 9 7 2 21 0.00  
28 44 39 33 41 38 33 100 88 76 30.16 30.09 30.04 10 9 5 10 3 21 0.00  
29 53 46 38 38 37 35 92 76 59 30.08 30.03 29.99 10 10 8 9 4 14 0.03 Rain
30 54 44 34 38 34 30 92 67 41 30.15 30.06 30.03 10 10 10 9 3 14 0.00  
31 51 41 30 34 29 27 92 66 39 30.27 30.22 30.16 10 10 10 9 2 20 0.00  
Comma Delimited File