Weather History for Palo Alto, CA

Month of December, 2011 — View Current Weather Conditions
Month of December, 2011
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 77 °F 59 °F 50 °F
Mean Temperature 60 °F 48 °F 40 °F
Min Temperature 55 °F 37 °F 28 °F
Degree Days
Heating Degree Days (base 65) 26 17 4 522
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 41
Dew Point
Dew Point 55 °F 39 °F 18 °F
Precipitation
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind
Wind 25 mph 6 mph 0 mph
Gust Wind 34 mph 23 mph 17 mph
Sea Level Pressure
Sea Level Pressure 30.58 in 30.19 in 29.75 in
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Date:
Astronomy
Dec. 04, 2011 Rise Set
Actual Time 7:06 AM PST 4:50 PM PST
Civil Twilight 6:37 AM PST 5:19 PM PST
Nautical Twilight 6:05 AM PST 5:51 PM PST
Astronomical Twilight 5:33 AM PST 6:23 PM PST
Moon 1:18 PM PST (12/4) 1:42 AM PST (12/4)
Length Of Visible Light 10h 41m
Length of Day
9h 43m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 4
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
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Monthly Calendar Weather History Overview
Print This Weather Calendar Precipitation: Actual month total 0.00 Average month total 4.05
« Previous Month « 2010 December 2011 2012 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Clear
Actual: 66 | 55
Precip: 0.00
Average: 60 | 38
Precip: 0.10
2 Scattered Clouds
Actual: 77 | 42
Precip: 0.00
Average: 60 | 38
Precip: 0.10
3 Clear
Actual: 66 | 42
Precip: 0.00
Average: 60 | 39
Precip: 0.10
4 Scattered Clouds
Actual: 60 | 35
Precip: 0.00
Average: 60 | 39
Precip: 0.10
5 Scattered Clouds
Actual: 60 | 37
Precip: 0.00
Average: 59 | 39
Precip: 0.10
6 Partly Cloudy
Actual: 57 | 32
Precip: 0.00
Average: 59 | 39
Precip: 0.11
7 Scattered Clouds
Actual: 57 | 33
Precip: 0.00
Average: 59 | 39
Precip: 0.12
8 Partly Cloudy
Actual: 57 | 33
Precip: 0.00
Average: 59 | 38
Precip: 0.12
9 Clear
Actual: 59 | 33
Precip: 0.00
Average: 59 | 39
Precip: 0.12
10 Fog
Actual: 57 | 32
Precip: 0.00
Average: 58 | 39
Precip: 0.13
11 Partly Cloudy
Actual: 53 | 44
Precip: 0.00
Average: 58 | 37
Precip: 0.12
12 Rain
Actual: 51 | 42
Precip: 0.00
Average: 59 | 36
Precip: 0.12
13 Scattered Clouds
Actual: 55 | 32
Precip: 0.00
Average: 57 | 37
Precip: 0.12
14 Partly Cloudy
Actual: 69 | 41
Precip: 0.00
Average: 57 | 36
Precip: 0.12
15 Partly Cloudy
Actual: 53 | 39
Precip: 0.00
Average: 57 | 37
Precip: 0.12
16 Scattered Clouds
Actual: 62 | 41
Precip: 0.00
Average: 57 | 36
Precip: 0.12
17 Clear
Actual: 60 | 32
Precip: 0.00
Average: 58 | 36
Precip: 0.13
18 Partly Cloudy
Actual: 55 | 32
Precip: 0.00
Average: 58 | 36
Precip: 0.13
19 Scattered Clouds
Actual: 60 | 42
Precip: 0.00
Average: 56 | 37
Precip: 0.14
20 Partly Cloudy
Actual: 62 | 32
Precip: 0.00
Average: 55 | 37
Precip: 0.14
21 Clear
Actual: 62 | 32
Precip: 0.00
Average: 56 | 37
Precip: 0.14
22 Scattered Clouds
Actual: 59 | 33
Precip: 0.00
Average: 55 | 36
Precip: 0.14
23 Partly Cloudy
Actual: 53 | 30
Precip: 0.00
Average: 54 | 36
Precip: 0.14
24 Clear
Actual: 57 | 28
Precip: 0.00
Average: 56 | 35
Precip: 0.15
25 Partly Cloudy
Actual: 51 | 28
Precip: 0.00
Average: 55 | 36
Precip: 0.15
26 Fog
Actual: 50 | 39
Precip: 0.00
Average: 56 | 34
Precip: 0.15
27 Partly Cloudy
Actual: 55 | 41
Precip: 0.00
Average: 55 | 35
Precip: 0.16
28 Partly Cloudy
Actual: 59 | 39
Precip: 0.00
Average: 55 | 36
Precip: 0.17
29 Partly Cloudy
Actual: 60 | 42
Precip: 0.00
Average: 55 | 37
Precip: 0.16
30 Fog
Actual: 59 | 50
Precip: 0.00
Average: 55 | 35
Precip: 0.17
31 Partly Cloudy
Actual: 59 | 44
Precip: 0.00
Average: 55 | 36
Precip: 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
2011 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 60 55 34 30 23 41 31 23 30.21 30.10 30.05 20 20 20 25 20 34 0.00  
2 77 58 42 50 31 23 67 35 18 30.05 29.99 29.95 20 20 20 10 4 - 0.00  
3 66 56 42 36 24 18 53 31 19 30.24 30.17 30.11 20 20 20 9 5 - 0.00  
4 60 48 35 45 34 27 82 56 29 30.29 30.22 30.14 20 20 20 10 6 - 0.00  
5 60 48 37 36 32 28 81 50 31 30.28 30.24 30.21 20 20 20 17 8 - 0.00  
6 57 44 32 43 36 28 87 65 41 30.42 30.36 30.32 20 20 20 7 5 - 0.00  
7 57 45 33 41 37 30 93 73 48 30.47 30.25 30.16 15 10 6 10 3 - 0.00  
8 57 45 33 45 40 32 93 79 55 30.17 30.14 30.10 8 6 5 8 4 - 0.00  
9 59 46 33 46 40 32 93 74 51 30.23 30.18 30.14 10 8 6 7 5 - 0.00  
10 57 44 32 46 40 30 100 79 54 30.16 30.09 30.03 8 6 3 9 4 - 0.00 Fog
11 53 48 44 45 43 41 87 75 62 29.99 29.92 29.86 20 12 6 9 5 - 0.00  
12 51 48 42 45 43 41 93 80 67 29.84 29.77 29.75 10 9 7 15 7 25 0.00 Rain
13 55 44 32 46 42 32 100 85 67 30.11 30.04 29.99 10 7 4 13 6 - 0.00  
14 69 55 41 46 44 41 100 80 40 30.30 30.27 30.23 10 9 7 9 3 - 0.00  
15 53 48 39 48 44 39 100 87 72 30.25 30.22 30.20 20 13 3 12 8 18 0.00  
16 62 52 41 41 37 36 81 58 37 30.28 30.19 30.13 20 20 20 7 5 - 0.00  
17 60 46 32 41 38 32 100 71 42 30.20 30.13 30.09 20 20 20 6 5 - 0.00  
18 55 44 32 46 42 30 93 80 71 30.22 30.17 30.12 15 13 10 13 6 - 0.00  
19 60 52 42 46 44 41 93 75 52 30.11 30.07 30.03 20 10 6 9 4 - 0.00  
20 62 47 32 41 35 32 100 61 32 30.12 30.06 30.03 20 15 10 8 5 - 0.00  
21 62 47 32 46 36 28 93 65 37 30.13 30.09 30.05 15 12 10 8 3 - 0.00  
22 59 46 33 34 28 21 61 41 30 30.44 30.34 30.27 20 20 20 16 9 23 0.00  
23 53 42 30 39 31 23 80 64 50 30.58 30.53 30.50 20 20 20 9 5 - 0.00  
24 57 42 28 43 33 25 87 67 36 30.48 30.42 30.37 10 9 7 8 5 - 0.00  
25 51 40 28 43 36 27 93 75 58 30.45 30.38 30.33 15 8 5 10 5 - 0.00  
26 50 44 39 45 42 34 100 87 81 30.35 30.32 30.30 7 4 2 9 6 - 0.00 Fog
27 55 48 41 46 43 39 93 84 71 30.38 30.33 30.30 20 10 4 13 6 - 0.00  
28 59 49 39 50 45 37 94 79 63 30.38 30.33 30.29 20 15 10 12 5 - 0.00  
29 60 51 42 54 51 43 100 90 77 30.27 30.20 30.16 20 8 4 14 5 - 0.00  
30 59 55 50 55 53 50 100 92 82 30.23 30.19 30.17 15 10 2 9 5 - 0.00 Fog
31 59 52 44 43 40 36 87 66 42 30.23 30.19 30.15 20 20 20 12 7 - 0.00  
Comma Delimited File