Weather History for KSLO - December, 2012

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 70 °F 49 °F 32 °F
Mean Temperature 66 °F 41 °F 23 °F
Min Temperature 62 °F 34 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 42 24 0 729
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 1 0 42
Dew Point  
Dew Point 59 °F 36 °F 13 °F
Precipitation  
Precipitation 0.63 in 0.03 in 0.00 in 1.04 in
Snowdepth - - - -
Wind  
Wind 36 mph 8 mph 0 mph
Gust Wind 48 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 30.02 in 29.26 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2012 Rise Set
Actual Time 7:05 AM CST 4:35 PM CST
Civil Twilight 6:35 AM CST 5:04 PM CST
Nautical Twilight 6:02 AM CST 5:38 PM CST
Astronomical Twilight 5:30 AM CST 6:10 PM CST
Moon 7:13 AM CST (12/13) 5:17 PM CST (12/13)
Length of Visible Light 10h 29m
Length of Day
9h 29m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 66 57 48 48 45 41 87 63 48 30.15 30.09 30.01 10 9 5 18 9 25 0.00  
2 68 64 60 59 53 45 89 69 51 30.07 30.03 29.98 10 8 5 26 15 37 0.00 Rain
3 70 66 62 59 56 51 88 72 57 30.07 30.02 29.96 10 9 7 26 13 34 0.00  
4 63 51 39 56 46 39 100 81 52 30.30 30.16 29.97 10 10 5 14 8 21 0.03 Rain
5 55 46 36 41 37 34 100 73 47 30.38 30.30 30.19 10 10 5 7 2 - 0.00  
6 53 44 35 46 39 33 93 80 63 30.18 30.05 29.95 10 10 7 8 4 - 0.00  
7 58 52 46 57 52 47 100 98 84 29.95 29.88 29.81 10 5 1 8 2 - 0.00 Rain
8 51 48 44 51 46 41 100 93 83 30.01 29.95 29.86 10 7 2 13 4 - 0.00 Rain
9 54 48 43 55 49 38 100 98 84 29.96 29.83 29.76 10 4 0 16 7 23 0.17 Fog , Rain , Thunderstorm
10 43 36 30 40 28 24 89 81 73 30.06 29.93 29.83 10 10 10 18 11 22 0.00  
11 39 33 27 26 25 22 89 72 55 30.24 30.14 30.06 10 10 10 14 6 18 0.00  
12 48 37 26 30 27 25 100 70 42 30.36 30.31 30.24 10 10 5 8 3 - 0.00  
13 52 40 29 31 28 26 95 63 39 30.37 30.30 30.21 10 10 10 14 5 18 0.00  
14 55 44 32 36 32 29 87 63 41 30.25 30.17 30.05 10 10 10 14 5 17 0.00  
15 58 52 45 56 48 34 100 86 59 30.03 29.79 29.67 10 10 5 22 11 29 0.10 Rain
16 55 46 38 55 45 38 100 91 80 29.77 29.72 29.69 10 8 1 14 7 - 0.00  
17 43 41 39 44 41 37 100 99 91 29.80 29.71 29.64 10 4 0 12 6 17 0.00 Fog , Rain , Thunderstorm
18 54 44 35 42 38 34 100 79 56 29.91 29.80 29.69 10 8 4 22 8 28 0.00  
19 54 42 32 48 37 32 100 84 71 30.03 29.91 29.61 10 7 3 15 7 22 0.00 Rain , Thunderstorm
20 58 44 30 56 39 24 100 87 66 29.87 29.51 29.26 10 7 1 36 16 48 0.63 Rain , Snow , Thunderstorm
21 36 32 27 24 21 18 77 66 53 30.28 30.12 29.88 10 10 10 25 19 38 0.00  
22 44 33 22 29 22 19 89 64 38 30.30 30.18 29.98 10 10 10 12 5 - 0.00  
23 52 44 36 34 32 29 81 67 47 29.97 29.92 29.85 10 10 10 10 7 - 0.00  
24 40 34 27 36 31 22 96 86 75 30.12 29.94 29.78 10 6 2 16 7 21 0.00  
25 35 30 26 30 27 22 88 81 70 30.23 30.11 29.91 10 8 4 21 10 30 0.00  
26 34 32 30 32 29 26 100 86 78 30.14 29.94 29.79 10 9 1 29 19 38 0.01 Snow
27 32 30 29 27 25 23 87 79 68 30.22 30.15 30.10 10 10 10 9 5 - 0.00  
28 36 33 30 34 30 26 100 90 81 30.09 29.98 29.87 10 6 1 9 3 - 0.10 Snow
29 32 23 14 32 25 14 100 89 73 30.35 30.11 29.86 10 6 1 24 6 26 0.00 Snow
30 34 24 14 27 23 13 100 80 64 30.46 30.37 30.25 10 8 0 13 5 18 0.00 Fog
31 37 34 32 36 31 27 100 88 73 30.25 30.16 30.08 10 5 1 16 9 20 0.00 Snow