History for Hayward, 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 71 °F 58 °F 50 °F
Mean Temperature 62 °F 51 °F 44 °F
Min Temperature 58 °F 43 °F 33 °F
Degree Days
Heating Degree Days (base 65) 21 14 3 438
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 2 0 67
Dew Point
Dew Point 61 °F 43 °F 17 °F
Precipitation
Precipitation 0.85 in 0.10 in 0.00 in 2.72 in
Snowdepth - - - -
Wind
Wind 30 mph 6 mph 0 mph
Gust Wind 38 mph 24 mph 17 mph
Sea Level Pressure
Sea Level Pressure 30.35 in 30.08 in 29.80 in
Monthly Graph
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Date:
Astronomy
May. 23, 2013 Rise Set
Actual Time 7:13 AM PST 4:50 PM PST
Civil Twilight 6:43 AM PST 5:19 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:23 PM PST
Moon 4:05 AM PST (12/10) 2:41 PM PST (12/10)
Length Of Visible Light 10h 35m
Length of Day
9h 36m
Waning Crescent, 9% of the Moon is Illuminated
Dec 10
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 2.72 Average month total 2.45
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Rain
Actual: 66 | 58
Precip: T
Average: 57 | 44
Precip: 0.06
2 Rain
Actual: 64 | 48
Precip: 0.42
Average: 57 | 44
Precip: 0.06
3 Clear
Actual: 59 | 44
Precip: 0.00
Average: 57 | 44
Precip: 0.07
4 Partly Cloudy
Actual: 61 | 50
Precip: 0.00
Average: 57 | 44
Precip: 0.07
5 Rain
Actual: 65 | 58
Precip: 0.47
Average: 57 | 44
Precip: 0.07
6 Partly Cloudy
Actual: 60 | 50
Precip: 0.00
Average: 57 | 44
Precip: 0.07
7 Clear
Actual: 62 | 45
Precip: 0.00
Average: 57 | 44
Precip: 0.07
8 Clear
Actual: 59 | 42
Precip: 0.00
Average: 57 | 44
Precip: 0.08
9 Clear
Actual: 65 | 43
Precip: 0.00
Average: 57 | 43
Precip: 0.08
10 Clear
Actual: 71 | 45
Precip: 0.00
Average: 57 | 43
Precip: 0.08
11 Partly Cloudy
Actual: 58 | 43
Precip: T
Average: 57 | 43
Precip: 0.08
12 Rain
Actual: 56 | 43
Precip: 0.04
Average: 57 | 43
Precip: 0.08
13 Scattered Clouds
Actual: 55 | 39
Precip: 0.00
Average: 56 | 43
Precip: 0.08
14 Rain
Actual: 53 | 37
Precip: 0.01
Average: 56 | 42
Precip: 0.08
15 Rain
Actual: 50 | 37
Precip: 0.05
Average: 56 | 42
Precip: 0.08
16 Overcast
Actual: 57 | 46
Precip: T
Average: 56 | 42
Precip: 0.08
17 Rain
Actual: 58 | 45
Precip: 0.12
Average: 56 | 42
Precip: 0.08
18 Scattered Clouds
Actual: 54 | 39
Precip: 0.00
Average: 55 | 41
Precip: 0.08
19 Clear
Actual: 54 | 33
Precip: 0.00
Average: 55 | 41
Precip: 0.08
20 Scattered Clouds
Actual: 59 | 34
Precip: 0.00
Average: 55 | 41
Precip: 0.08
21 Rain
Actual: 59 | 51
Precip: 0.06
Average: 55 | 41
Precip: 0.08
22 Rain
Actual: 58 | 49
Precip: 0.34
Average: 55 | 41
Precip: 0.09
23 Rain
Actual: 54 | 46
Precip: 0.85
Average: 55 | 41
Precip: 0.09
24 Scattered Clouds
Actual: 58 | 42
Precip: 0.00
Average: 55 | 41
Precip: 0.09
25 Rain
Actual: 52 | 42
Precip: 0.26
Average: 55 | 41
Precip: 0.09
26 Rain
Actual: 56 | 44
Precip: 0.07
Average: 55 | 41
Precip: 0.09
27 Clear
Actual: 54 | 41
Precip: 0.00
Average: 55 | 41
Precip: 0.09
28 Rain
Actual: 52 | 38
Precip: T
Average: 55 | 41
Precip: 0.08
29 Rain
Actual: 56 | 40
Precip: 0.03
Average: 55 | 41
Precip: 0.08
30 Scattered Clouds
Actual: 53 | 38
Precip: 0.00
Average: 55 | 41
Precip: 0.08
31 Scattered Clouds
Actual: 53 | 36
Precip: 0.00
Average: 55 | 41
Precip: 0.08
 
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 66 62 58 58 56 53 86 80 73 30.07 30.00 29.92 10 8 2 21 12 28 T Rain
2 64 56 48 59 54 45 93 77 60 30.15 29.94 29.80 10 7 2 30 9 38 0.42 Rain
3 59 52 44 49 46 42 93 78 62 30.24 30.19 30.14 10 10 10 8 3 12 0.00  
4 61 56 50 53 49 46 89 75 60 30.26 30.21 30.15 10 10 9 13 4 16 0.00  
5 65 62 58 61 57 50 93 79 64 30.19 30.14 30.08 10 8 2 13 5 17 0.47 Rain
6 60 55 50 55 50 46 93 78 62 30.17 30.13 30.07 10 10 3 13 4 18 0.00  
7 62 54 45 50 46 43 93 77 60 30.18 30.13 30.10 10 10 8 8 4 10 0.00  
8 59 51 42 47 43 39 92 75 57 30.14 30.10 30.07 10 10 10 8 3 17 0.00  
9 65 54 43 47 42 37 83 66 49 30.22 30.17 30.12 10 10 10 7 2 9 0.00  
10 71 58 45 49 44 41 80 57 34 30.26 30.19 30.14 10 10 10 10 2 18 0.00  
11 58 51 43 51 45 40 83 75 66 30.12 30.00 29.88 10 10 6 15 6 18 T  
12 56 50 43 49 43 38 89 74 59 29.94 29.90 29.84 10 9 2 15 7 18 0.04 Rain
13 55 47 39 41 37 34 92 68 43 29.96 29.92 29.89 10 10 10 13 4 15 0.00  
14 53 45 37 42 37 33 89 76 63 30.06 29.95 29.86 10 10 5 9 4 10 0.01 Rain
15 50 44 37 45 40 36 92 82 71 30.12 30.07 30.04 10 9 5 12 5 15 0.05 Rain
16 57 52 46 52 46 42 86 79 71 30.14 30.08 30.04 10 10 9 14 5 18 T  
17 58 52 45 52 50 41 93 82 71 30.11 30.05 30.01 10 8 1 17 8 21 0.12 Rain
18 54 47 39 41 31 26 89 64 38 30.23 30.11 30.03 10 10 10 24 8 30 0.00  
19 54 44 33 32 28 17 82 53 24 30.35 30.29 30.24 10 10 10 8 3 10 0.00  
20 59 47 34 37 31 26 75 56 36 30.25 30.14 30.04 10 10 10 23 10 29 0.00  
21 59 55 51 52 44 31 93 68 43 30.02 29.94 29.89 10 9 2 25 15 32 0.06 Rain
22 58 54 49 50 47 43 96 77 57 30.13 29.98 29.86 10 8 2 23 9 32 0.34 Rain
23 54 50 46 53 49 44 100 86 71 30.12 29.95 29.87 10 6 1 26 12 35 0.85 Rain
24 58 50 42 45 41 36 100 74 47 30.24 30.16 30.07 10 9 2 10 4 13 0.00  
25 52 47 42 47 42 36 86 79 71 30.19 29.98 29.81 10 9 2 24 7 35 0.26 Rain
26 56 50 44 48 45 40 93 82 71 30.14 30.00 29.88 10 9 3 20 6 25 0.07 Rain
27 54 48 41 41 39 37 89 74 59 30.21 30.17 30.13 10 10 10 10 4 13 0.00  
28 52 45 38 40 37 34 85 73 61 30.22 30.14 30.06 10 10 5 14 4 18 T Rain
29 56 48 40 41 38 34 89 66 43 30.12 30.07 30.04 10 9 4 14 7 18 0.03 Rain
30 53 46 38 42 37 32 85 72 59 30.21 30.12 30.08 10 10 10 13 3 14 0.00  
31 53 45 36 34 30 28 76 57 38 30.33 30.28 30.22 10 10 10 10 4 13 0.00  
Comma Delimited File