Weather History for KOAK - January, 2015

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Month of January, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 61 °F 50 °F
Mean Temperature 59 °F 51 °F 41 °F
Min Temperature 49 °F 42 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 24 14 6 423
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 9 2 0 65
Dew Point  
Dew Point 55 °F 43 °F 14 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 23 mph 4 mph 0 mph
Gust Wind 28 mph 24 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.17 in 29.91 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Jan. 19, 2015 Rise Set
Actual Time 7:21 AM PST 5:18 PM PST
Civil Twilight 6:53 AM PST 5:46 PM PST
Nautical Twilight 6:20 AM PST 6:18 PM PST
Astronomical Twilight 5:49 AM PST 6:50 PM PST
Moon 6:18 AM PST (1/19) 4:51 PM PST (1/19)
Length of Visible Light 10h 53m
Length of Day
9h 56m
Waning Crescent, 1% of the Moon is Illuminated
Jan 19
Waning Crescent
Jan 20
New
Jan 26
First Quarter
Feb 3
Full
Feb 11
Last Quarter

Daily Weather History & Observations

2015 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 56 47 38 27 20 14 54 37 20 30.18 30.13 30.07 10 10 10 23 8 28 0.00  
2 50 41 32 36 30 25 76 64 52 30.23 30.18 30.13 10 10 9 8 4 10 0.00  
3 53 43 32 38 34 28 82 66 50 30.33 30.26 30.20 10 10 8 12 2 14 0.00  
4 54 45 35 42 37 33 85 72 59 30.44 30.38 30.32 10 8 6 14 3 17 0.00  
5 56 46 36 43 38 32 85 68 50 30.39 30.32 30.23 10 9 6 8 3 9 0.00  
6 59 49 38 44 39 36 92 72 51 30.29 30.22 30.17 10 8 5 8 2 12 0.00  
7 64 51 38 47 42 37 92 69 46 30.23 30.15 30.08 10 10 8 8 2 9 0.00  
8 61 52 42 48 45 38 92 76 60 30.10 30.05 30.01 10 8 5 8 2 9 0.00  
9 63 55 46 50 47 45 96 74 52 30.04 30.00 29.97 10 7 3 9 4 12 0.00  
10 60 54 47 52 49 45 93 83 72 30.05 30.00 29.96 10 7 4 8 3 10 0.00 Fog
11 57 50 42 50 46 42 96 87 77 30.18 30.09 30.02 10 6 0 8 3 25 0.00 Fog
12 57 49 41 50 46 41 96 87 77 30.28 30.22 30.19 10 7 0 8 2 10 0.00 Fog
13 66 55 43 48 43 37 100 69 37 30.23 30.18 30.12 10 6 0 16 3 21 0.00 Fog
14 59 49 39 47 43 36 93 78 62 30.30 30.22 30.16 10 7 4 12 3 13 0.00  
15 59 50 40 49 45 39 100 84 67 30.34 30.28 30.23 6 4 0 13 4 16 0.00 Fog
16 57 50 43 52 48 43 96 84 72 30.30 30.26 30.23 8 4 2 10 3 12 T Fog , Rain
17 57 53 48 52 49 46 96 84 72 30.30 30.26 30.21 10 7 4 12 5 15 0.00  
18 65 57 49 55 52 48 100 87 73 30.34 30.29 30.26 10 5 0 13 4 14 0.00 Fog
19 63 55 47 54 50 45 93 77 60 30.32 30.25 30.18 10 9 4 14 5 16 0.00  
20 58 52 45 49 47 42 100 86 72 30.18 30.12 30.06 10 6 0 7 2 - 0.00 Fog
21 61 51 40 45 41 37 92 73 53 30.18 30.13 30.08 10 10 8 14 5 16 0.00  
22 60 51 41 46 42 36 89 73 57 30.35 30.28 30.19 10 9 6 14 6 18 0.00  
23 64 52 39 48 42 38 89 66 43 30.37 30.31 30.23 10 9 5 10 3 15 0.00  
24 69 58 46 47 44 37 93 63 33 30.24 30.17 30.10 10 9 7 22 7 26 0.00  
25 59 50 40 45 41 37 86 70 53 30.15 30.09 30.01 10 10 7 9 4 12 0.00  
26 61 51 41 49 44 38 92 72 51 30.05 30.01 29.97 10 10 9 9 3 14 0.00  
27 67 57 47 49 46 43 83 64 44 30.27 30.17 30.03 10 10 10 12 4 13 0.00  
28 63 53 43 51 46 42 93 73 52 30.28 30.22 30.17 10 10 6 9 3 12 0.00 Fog
29 64 53 42 51 48 41 96 81 65 30.17 30.12 30.07 10 8 6 8 3 14 0.00 Fog
30 62 54 46 52 48 44 100 87 67 30.06 29.99 29.91 10 8 5 16 5 17 0.00 Fog
31 73 59 44 48 40 28 100 61 22 30.06 29.97 29.91 10 10 7 15 4 20 0.00 Fog