Weather History for San Carlos, CA

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 57 °F 44 °F
Mean Temperature 56 °F 48 °F 38 °F
Min Temperature 44 °F 38 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 27 17 9 533
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 1 0 22
Dew Point  
Dew Point 54 °F 35 °F 14 °F
Precipitation  
Precipitation 0.12 in 0.00 in 0.00 in 0.13 in
Snowdepth - - - -
Wind  
Wind 25 mph 2 mph 0 mph
Gust Wind 33 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.65 in 30.18 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 21, 2013 Rise Set
Actual Time 7:20 AM PST 4:54 PM PST
Civil Twilight 6:50 AM PST 5:23 PM PST
Nautical Twilight 6:18 AM PST 5:56 PM PST
Astronomical Twilight 5:46 AM PST 6:28 PM PST
Moon 9:11 PM PST (12/21) 9:53 AM PST (12/21)
Length of Visible Light 10h 33m
Length of Day
9h 34m
Waning Gibbous, 83% of the Moon is Illuminated
Dec 21
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Weather History Calendar

Precipitation Actual month total 0.13 Average Month Total: 3.98
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
68 | 44 0.00
Average:
61 | 40 0.10
Fog
Actual:
64 | 44 0.00
Average:
61 | 41 0.10
Partly Cloudy
Actual:
57 | 44 0.00
Average:
61 | 41 0.10
Clear
Actual:
48 | 37 0.00
Average:
60 | 41 0.10
Clear
Actual:
50 | 32 0.00
Average:
61 | 41 0.11
Rain
Actual:
51 | 33 0.12
Average:
60 | 41 0.11
Rain
Actual:
50 | 37 0.01
Average:
61 | 40 0.11
Clear
Actual:
44 | 32 0.00
Average:
60 | 40 0.12
Clear
Actual:
50 | 32 0.00
Average:
60 | 40 0.12
Clear
Actual:
51 | 32 0.00
Average:
60 | 39 0.12
Clear
Actual:
55 | 33 0.00
Average:
58 | 39 0.12
Clear
Actual:
55 | 33 0.00
Average:
57 | 38 0.12
Scattered Clouds
Actual:
55 | 35 0.00
Average:
58 | 38 0.12
Fog
Actual:
59 | 37 0.00
Average:
58 | 39 0.12
Scattered Clouds
Actual:
59 | 35 0.00
Average:
57 | 39 0.11
Scattered Clouds
Actual:
62 | 39 0.00
Average:
59 | 38 0.13
Partly Cloudy
Actual:
57 | 44 0.00
Average:
59 | 39 0.13
Partly Cloudy
Actual:
55 | 42 0.00
Average:
57 | 38 0.13
Scattered Clouds
Actual:
57 | 44 0.00
Average:
57 | 38 0.14
Clear
Actual:
55 | 37 0.00
Average:
55 | 37 0.14
Clear
Actual:
62 | 39 0.00
Average:
55 | 38 0.14
Scattered Clouds
Actual:
64 | 39 0.00
Average:
55 | 37 0.13
Clear
Actual:
60 | 41 0.00
Average:
56 | 36 0.13
Scattered Clouds
Actual:
66 | 41 0.00
Average:
57 | 38 0.14
Clear
Actual:
64 | 39 0.00
Average:
56 | 37 0.14
Clear
Actual:
64 | 39 0.00
Average:
56 | 36 0.15
Scattered Clouds
Actual:
57 | 39 0.00
Average:
56 | 38 0.16
Clear
Actual:
64 | 37 0.00
Average:
57 | 39 0.16
Clear
Actual:
64 | 41 0.00
Average:
57 | 38 0.16
Scattered Clouds
Actual:
57 | 39 0.00
Average:
57 | 37 0.16
Fog
Actual:
57 | 39 0.00
Average:
56 | 38 0.16
 

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

2013 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 68 56 44 50 44 41 87 78 37 30.36 30.28 30.23 10 10 8 6 1 - 0.00  
2 64 54 44 54 46 41 94 82 56 30.25 30.13 30.00 10 10 7 17 3 23 0.00 Fog
3 57 50 44 54 40 28 94 66 44 29.99 29.94 29.87 10 10 10 21 8 30 0.00  
4 48 42 37 30 26 23 65 52 37 30.10 30.03 29.96 10 10 10 7 3 - 0.00  
5 50 41 32 45 24 14 93 58 24 30.19 30.14 30.10 10 10 10 6 1 - 0.00  
6 51 42 33 48 36 28 94 80 54 30.21 30.11 29.93 10 9 2 25 4 33 0.12 Rain
7 50 44 37 46 32 23 87 65 37 30.65 30.11 29.94 10 10 7 20 8 24 0.01 Rain
8 44 38 32 32 27 21 93 72 43 30.34 30.29 30.25 10 10 10 8 1 - 0.00  
9 50 41 32 27 20 14 70 52 25 30.43 30.38 30.34 10 10 10 9 5 - 0.00  
10 51 42 32 37 28 25 87 71 35 30.42 30.32 30.22 10 10 10 7 0 - 0.00  
11 55 44 33 36 31 25 87 67 33 30.26 30.22 30.19 10 10 8 6 1 - 0.00  
12 55 44 33 41 33 28 87 73 47 30.28 30.23 30.18 10 9 7 6 0 - 0.00  
13 55 45 35 45 36 32 87 81 62 30.35 30.29 30.25 10 10 5 7 2 - 0.00  
14 59 48 37 43 35 32 87 74 36 30.41 30.35 30.32 10 10 10 5 0 - 0.00 Fog
15 59 47 35 43 36 32 87 75 42 30.38 30.32 30.25 10 7 5 6 0 - 0.00  
16 62 50 39 45 37 32 81 69 42 30.25 30.19 30.13 10 9 6 6 0 - 0.00  
17 57 50 44 48 39 37 82 73 51 30.19 30.12 30.04 10 6 4 6 0 - 0.00  
18 55 48 42 48 42 37 88 80 67 30.04 29.94 29.81 10 8 5 15 3 21 0.00  
19 57 50 44 45 36 19 82 61 28 29.96 29.82 29.75 10 10 10 25 10 31 0.00  
20 55 46 37 39 27 18 71 52 23 30.03 29.98 29.94 10 10 10 7 2 - 0.00  
21 62 50 39 48 39 32 87 75 55 30.10 30.03 29.99 10 10 10 9 1 - 0.00  
22 64 52 39 48 40 36 100 76 34 30.30 30.20 30.10 10 10 10 6 0 - 0.00  
23 60 50 41 46 39 37 87 72 42 30.40 30.34 30.30 10 9 7 6 1 - 0.00  
24 66 54 41 48 39 36 87 72 45 30.35 30.31 30.21 10 9 6 6 0 - 0.00  
25 64 52 39 45 38 36 87 71 40 30.30 30.25 30.21 10 10 10 6 1 - 0.00  
26 64 52 39 45 38 36 87 74 42 30.27 30.23 30.17 10 9 6 5 1 - 0.00  
27 57 48 39 48 39 36 87 78 58 30.25 30.20 30.13 10 9 5 6 0 - 0.00  
28 64 50 37 48 36 27 93 75 24 30.16 30.11 30.04 10 9 6 7 0 - 0.00  
29 64 52 41 34 28 14 70 49 15 30.19 30.13 30.10 10 10 10 7 2 - 0.00  
30 57 48 39 45 35 30 76 67 44 30.27 30.22 30.18 10 10 7 6 1 - 0.00  
31 57 48 39 48 40 36 100 85 51 30.29 30.23 30.17 10 7 0 7 0 - 0.00 Fog