History for Napa County, CA
Month of January, 2013 — View Current Conditions
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| Max | Avg | Min | Sum | |
|---|---|---|---|---|
| Temperature | ||||
| Max Temperature | 65 °F | 58 °F | 49 °F | |
| Mean Temperature | 56 °F | 45 °F | 36 °F | |
| Min Temperature | 47 °F | 32 °F | 22 °F | |
| Degree Days | ||||
| Heating Degree Days (base 65) | 29 | 20 | 9 | 620 |
| Cooling Degree Days (base 65) | 0 | 0 | 0 | 0 |
| Growing Degree Days (base 50) | 5 | 0 | 0 | 9 |
| Dew Point | ||||
| Dew Point | 54 °F | 35 °F | 11 °F | |
| Precipitation | ||||
| Precipitation | 0.17 in | 0.01 in | 0.00 in | 0.34 in |
| Snowdepth | - | - | - | - |
| Wind | ||||
| Wind | 26 mph | 5 mph | 0 mph | |
| Gust Wind | 86 mph | 23 mph | 17 mph | |
| Sea Level Pressure | ||||
| Sea Level Pressure | 30.47 in | 30.18 in | 29.94 in | |
| May. 26, 2013 | Rise | Set |
|---|---|---|
| Actual Time | 7:21 AM PST | 5:19 PM PST |
| Civil Twilight | 6:53 AM PST | 5:48 PM PST |
| Nautical Twilight | 6:20 AM PST | 6:20 PM PST |
| Astronomical Twilight | 5:49 AM PST | 6:52 PM PST |
| Moon | 1:03 PM PST (1/21) | 2:54 AM PST (1/21) |
| Length Of Visible Light | 10h 55m | |
| Length of Day |
9h 58m
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| Waxing Gibbous, 76% of the Moon is Illuminated | ||||
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Jan 21
Waxing Gibbous
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Jan 26
Full
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Feb 3
Last Quarter
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Feb 9
New
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Feb 17
First Quarter
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| 2013 | 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 | 57 | 44 | 31 | 37 | 32 | 27 | 85 | 58 | 30 | 30.27 | 30.23 | 30.19 | 10 | 10 | 9 | 16 | 6 | 21 | T | Snow |
| 2 | 55 | 42 | 28 | 34 | 30 | 24 | 92 | 68 | 43 | 30.23 | 30.18 | 30.12 | 10 | 10 | 10 | 15 | 6 | 20 | 0.00 | Snow |
| 3 | 55 | 41 | 27 | 38 | 32 | 25 | 92 | 71 | 50 | 30.26 | 30.21 | 30.16 | 10 | 10 | 9 | 16 | 4 | 20 | 0.00 | Snow |
| 4 | 57 | 44 | 30 | 38 | 34 | 30 | 89 | 68 | 47 | 30.28 | 30.22 | 30.17 | 10 | 10 | 10 | 13 | 5 | 15 | 0.00 | |
| 5 | 49 | 41 | 32 | 43 | 39 | 31 | 96 | 81 | 65 | 30.26 | 30.16 | 30.06 | 10 | 6 | 2 | 18 | 8 | 23 | 0.15 | Rain |
| 6 | 52 | 43 | 34 | 45 | 40 | 32 | 100 | 86 | 71 | 30.20 | 30.14 | 30.06 | 10 | 6 | 0 | 10 | 3 | 25 | 0.02 | Fog , Rain |
| 7 | 57 | 45 | 32 | 46 | 36 | 30 | 100 | 83 | 66 | 30.23 | 30.18 | 30.15 | 10 | 4 | 0 | 10 | 2 | 17 | 0.00 | Fog |
| 8 | 57 | 47 | 36 | 45 | 40 | 34 | 100 | 83 | 66 | 30.26 | 30.19 | 30.12 | 7 | 3 | 0 | 14 | 5 | 17 | 0.00 | Fog |
| 9 | 53 | 45 | 36 | 48 | 41 | 33 | 100 | 83 | 65 | 30.16 | 30.07 | 29.94 | 10 | 4 | 0 | 26 | 6 | 32 | T | Fog , Rain |
| 10 | 53 | 43 | 32 | 35 | 32 | 28 | 85 | 65 | 45 | 30.17 | 30.09 | 30.06 | 10 | 10 | 10 | 13 | 6 | - | 0.00 | |
| 11 | 52 | 39 | 26 | 39 | 32 | 25 | 96 | 73 | 50 | 30.24 | 30.16 | 30.11 | 10 | 10 | 10 | 13 | 3 | 15 | 0.00 | |
| 12 | 50 | 39 | 28 | 32 | 26 | 23 | 89 | 63 | 36 | 30.24 | 30.18 | 30.13 | 10 | 10 | 10 | 12 | 5 | 14 | 0.00 | |
| 13 | 50 | 36 | 22 | 29 | 22 | 12 | 92 | 60 | 27 | 30.26 | 30.20 | 30.17 | 10 | 10 | 10 | 22 | 6 | 28 | 0.00 | |
| 14 | 54 | 40 | 26 | 32 | 21 | 11 | 78 | 51 | 24 | 30.38 | 30.33 | 30.22 | 10 | 10 | 10 | 21 | 4 | 25 | 0.00 | |
| 15 | 51 | 39 | 27 | 31 | 28 | 23 | 85 | 64 | 42 | 30.47 | 30.42 | 30.38 | 10 | 10 | 9 | 16 | 5 | 21 | 0.00 | |
| 16 | 58 | 42 | 26 | 36 | 31 | 26 | 92 | 68 | 43 | 30.43 | 30.34 | 30.26 | 10 | 10 | 8 | 17 | 7 | 21 | 0.00 | |
| 17 | 60 | 45 | 29 | 38 | 33 | 28 | 96 | 69 | 42 | 30.26 | 30.20 | 30.14 | 10 | 9 | 5 | 20 | 7 | 86 | 0.00 | |
| 18 | 64 | 46 | 28 | 39 | 32 | 27 | 92 | 64 | 36 | 30.22 | 30.16 | 30.12 | 10 | 10 | 7 | 15 | 5 | 18 | 0.00 | |
| 19 | 65 | 47 | 29 | 36 | 31 | 26 | 92 | 62 | 32 | 30.24 | 30.18 | 30.14 | 10 | 10 | 10 | 15 | 6 | 18 | 0.00 | |
| 20 | 65 | 48 | 30 | 36 | 31 | 26 | 89 | 59 | 28 | 30.22 | 30.17 | 30.11 | 10 | 10 | 10 | 15 | 5 | 20 | 0.00 | |
| 21 | 62 | 47 | 31 | 40 | 34 | 27 | 85 | 62 | 39 | 30.18 | 30.12 | 30.07 | 10 | 10 | 10 | 18 | 7 | 24 | 0.00 | |
| 22 | 62 | 47 | 32 | 40 | 35 | 28 | 89 | 64 | 39 | 30.11 | 30.05 | 29.98 | 10 | 10 | 10 | 18 | 8 | 24 | 0.00 | |
| 23 | 55 | 51 | 46 | 48 | 44 | 36 | 93 | 74 | 54 | 30.08 | 30.03 | 29.95 | 10 | 6 | 2 | 17 | 5 | 22 | 0.17 | Rain |
| 24 | 59 | 53 | 47 | 52 | 48 | 46 | 93 | 87 | 80 | 30.17 | 30.11 | 30.06 | 10 | 4 | 1 | 12 | 3 | 15 | T | |
| 25 | 65 | 56 | 47 | 54 | 49 | 46 | 100 | 84 | 67 | 30.20 | 30.14 | 30.02 | 10 | 4 | 0 | 13 | 4 | 36 | 0.00 | Fog |
| 26 | 59 | 49 | 39 | 50 | 44 | 35 | 96 | 74 | 51 | 30.04 | 30.01 | 29.94 | 10 | 5 | 0 | 21 | 8 | 25 | 0.00 | Fog |
| 27 | 57 | 44 | 30 | 40 | 35 | 30 | 92 | 68 | 43 | 30.16 | 30.11 | 30.04 | 10 | 10 | 10 | 12 | 4 | 30 | 0.00 | |
| 28 | 61 | 47 | 33 | 40 | 36 | 31 | 92 | 67 | 42 | 30.26 | 30.20 | 30.15 | 10 | 10 | 10 | 16 | 4 | 31 | 0.00 | |
| 29 | 61 | 47 | 32 | 45 | 38 | 31 | 100 | 76 | 51 | 30.34 | 30.28 | 30.24 | 10 | 10 | 10 | 10 | 3 | 25 | 0.00 | |
| 30 | 64 | 49 | 34 | 45 | 39 | 33 | 92 | 69 | 46 | 30.32 | 30.28 | 30.24 | 10 | 10 | 10 | 9 | 3 | 23 | 0.00 | |
| 31 | 65 | 49 | 33 | 48 | 39 | 32 | 100 | 76 | 52 | 30.28 | 30.24 | 30.17 | 10 | 6 | 0 | 13 | 4 | 16 | 0.00 | |
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