Weather History for San Carlos, CA
Month of December, 2012 — View Current Weather Conditions
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| Max | Avg | Min | Sum | |
|---|---|---|---|---|
| Temperature | ||||
| Max Temperature | 66 °F | 56 °F | 48 °F | |
| Mean Temperature | 60 °F | 50 °F | 42 °F | |
| Min Temperature | 57 °F | 44 °F | 35 °F | |
| Degree Days | ||||
| Heating Degree Days (base 65) | 22 | 15 | 4 | 455 |
| Cooling Degree Days (base 65) | 0 | 0 | 0 | 0 |
| Growing Degree Days (base 50) | 10 | 2 | 0 | 71 |
| Dew Point | ||||
| Dew Point | 61 °F | 43 °F | 23 °F | |
| Precipitation | ||||
| Precipitation | 0.15 in | 0.02 in | 0.00 in | 0.61 in |
| Snowdepth | - | - | - | - |
| Wind | ||||
| Wind | 25 mph | 4 mph | 0 mph | |
| Gust Wind | 46 mph | 22 mph | 16 mph | |
| Sea Level Pressure | ||||
| Sea Level Pressure | 30.38 in | 30.07 in | 29.79 in | |
| Dec. 14, 2012 | Rise | Set |
|---|---|---|
| Actual Time | 7:16 AM PST | 4:51 PM PST |
| Civil Twilight | 6:46 AM PST | 5:21 PM PST |
| Nautical Twilight | 6:14 AM PST | 5:53 PM PST |
| Astronomical Twilight | 5:42 AM PST | 6:25 PM PST |
| Moon | 8:26 AM PST (12/14) | 6:49 PM PST (12/14) |
| Length Of Visible Light | 10h 34m | |
| Length of Day |
9h 35m
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| Waxing Crescent, 3% of the Moon is Illuminated | ||||
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Dec 14
Waxing Crescent
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Dec 19
First Quarter
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Dec 28
Full
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Jan 4
Last Quarter
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Jan 11
New
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| 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 | 64 | 60 | 57 | 59 | 56 | 54 | 100 | 90 | 68 | 30.05 | 29.97 | 29.92 | 10 | 6 | 2 | 20 | 10 | 25 | 0.00 | Rain |
| 2 | 64 | 58 | 50 | 59 | 53 | 45 | 100 | 81 | 63 | 30.13 | 29.94 | 29.79 | 10 | 7 | 1 | 25 | 10 | 46 | 0.01 | Rain |
| 3 | 59 | 52 | 44 | 50 | 46 | 43 | 100 | 86 | 59 | 30.22 | 30.16 | 30.12 | 10 | 10 | 10 | 9 | 3 | - | 0.00 | |
| 4 | 62 | 56 | 50 | 55 | 50 | 48 | 94 | 83 | 67 | 30.24 | 30.19 | 30.16 | 10 | 10 | 10 | 12 | 3 | 18 | 0.00 | |
| 5 | 62 | 60 | 57 | 61 | 57 | 55 | 100 | 91 | 77 | 30.17 | 30.14 | 30.09 | 10 | 8 | 2 | 13 | 8 | 17 | 0.09 | Rain |
| 6 | 57 | 54 | 50 | 57 | 50 | 46 | 100 | 83 | 67 | 30.15 | 30.12 | 30.09 | 10 | 10 | 4 | 15 | 6 | 21 | 0.00 | |
| 7 | 62 | 54 | 46 | 50 | 46 | 41 | 100 | 87 | 52 | 30.16 | 30.11 | 30.08 | 20 | 10 | 10 | 7 | 1 | - | 0.00 | |
| 8 | 57 | 49 | 41 | 48 | 42 | 39 | 100 | 84 | 51 | 30.12 | 30.08 | 30.05 | 15 | 9 | 0 | 5 | 1 | - | 0.00 | Fog |
| 9 | 64 | 54 | 44 | 50 | 42 | 37 | 93 | 73 | 37 | 30.20 | 30.15 | 30.11 | 10 | 10 | 10 | 7 | 1 | - | 0.00 | |
| 10 | 66 | 57 | 48 | 48 | 43 | 39 | 87 | 67 | 43 | 30.24 | 30.17 | 30.12 | 10 | 10 | 10 | 7 | 3 | - | 0.00 | |
| 11 | 59 | 52 | 44 | 50 | 45 | 41 | 100 | 83 | 67 | 30.11 | 30.01 | 29.88 | 10 | 10 | 7 | 14 | 2 | 23 | 0.00 | Rain |
| 12 | 55 | 50 | 44 | 50 | 44 | 39 | 100 | 83 | 54 | 29.92 | 29.88 | 29.85 | 10 | 9 | 3 | 8 | 4 | - | 0.02 | Rain |
| 13 | 51 | 45 | 39 | 43 | 39 | 36 | 100 | 83 | 58 | 29.95 | 29.90 | 29.87 | 10 | 10 | 10 | 6 | 1 | - | 0.00 | |
| 14 | 51 | 45 | 39 | 43 | 39 | 36 | 93 | 84 | 66 | 30.04 | 29.91 | 29.83 | 15 | 10 | 10 | 8 | 2 | - | 0.00 | |
| 15 | 48 | 42 | 37 | 46 | 40 | 36 | 100 | 87 | 76 | 30.10 | 30.05 | 30.01 | 15 | 10 | 4 | 13 | 3 | 16 | 0.00 | Rain |
| 16 | 57 | 50 | 44 | 52 | 46 | 41 | 100 | 85 | 72 | 30.38 | 30.07 | 30.04 | 15 | 10 | 8 | 12 | 3 | 18 | 0.00 | |
| 17 | 59 | 54 | 50 | 55 | 49 | 39 | 100 | 84 | 66 | 30.09 | 30.03 | 29.99 | 10 | 8 | 2 | 14 | 8 | 21 | 0.00 | Rain |
| 18 | 51 | 46 | 42 | 39 | 33 | 28 | 76 | 60 | 43 | 30.21 | 30.08 | 30.01 | 10 | 10 | 10 | 20 | 7 | 26 | 0.00 | |
| 19 | 50 | 42 | 35 | 32 | 30 | 23 | 87 | 68 | 35 | 30.33 | 30.26 | 30.21 | 15 | 10 | 10 | 5 | 1 | - | 0.00 | |
| 20 | 59 | 47 | 35 | 41 | 35 | 28 | 87 | 69 | 50 | 30.23 | 30.14 | 30.01 | 10 | 10 | 10 | 16 | 4 | 23 | 0.00 | |
| 21 | 55 | 52 | 50 | 50 | 45 | 39 | 88 | 72 | 58 | 30.01 | 29.94 | 29.89 | 10 | 9 | 2 | 21 | 14 | 29 | 0.00 | Rain |
| 22 | 57 | 54 | 50 | 48 | 47 | 45 | 94 | 78 | 63 | 30.10 | 29.95 | 29.85 | 10 | 8 | 1 | 24 | 11 | 32 | 0.15 | Rain |
| 23 | 59 | 54 | 50 | 55 | 48 | 46 | 100 | 86 | 77 | 30.10 | 30.00 | 29.87 | 10 | 8 | 1 | 24 | 8 | 30 | 0.00 | Rain |
| 24 | 55 | 50 | 44 | 46 | 43 | 39 | 100 | 85 | 58 | 30.22 | 30.14 | 30.05 | 10 | 10 | 10 | 8 | 2 | - | 0.00 | |
| 25 | 53 | 47 | 41 | 48 | 42 | 37 | 93 | 85 | 76 | 30.17 | 30.02 | 29.81 | 10 | 9 | 2 | 21 | 3 | 26 | 0.15 | Rain |
| 26 | 53 | 50 | 46 | 46 | 44 | 41 | 93 | 81 | 71 | 30.12 | 29.99 | 29.89 | 10 | 9 | 2 | 18 | 6 | 25 | 0.05 | Rain |
| 27 | 55 | 48 | 41 | 41 | 39 | 37 | 93 | 74 | 51 | 30.19 | 30.14 | 30.11 | 20 | 10 | 10 | 7 | 4 | - | 0.00 | |
| 28 | 50 | 44 | 39 | 45 | 40 | 37 | 100 | 87 | 62 | 30.20 | 30.13 | 30.04 | 10 | 10 | 5 | 5 | 1 | - | 0.03 | Rain |
| 29 | 51 | 46 | 41 | 45 | 41 | 37 | 100 | 86 | 66 | 30.10 | 30.05 | 30.01 | 15 | 8 | 3 | 12 | 3 | - | 0.11 | Rain |
| 30 | 53 | 45 | 37 | 39 | 38 | 34 | 100 | 82 | 51 | 30.19 | 30.10 | 30.06 | 15 | 10 | 10 | 10 | 1 | - | 0.00 | |
| 31 | 51 | 43 | 35 | 39 | 34 | 25 | 93 | 76 | 38 | 30.32 | 30.25 | 30.20 | 20 | 10 | 10 | 7 | 2 | - | 0.00 | |
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