Weather History for San Bernardino, CA

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Month of December, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 64 °F 50 °F
Mean Temperature 65 °F 53 °F 40 °F
Min Temperature 53 °F 43 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 24 11 0 348
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 15 4 0 124
Dew Point  
Dew Point 55 °F 38 °F 7 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 18 mph 3 mph 0 mph
Gust Wind 28 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.23 in 30.02 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2010 Rise Set
Actual Time 6:54 AM PST 4:49 PM PST
Civil Twilight 6:26 AM PST 5:16 PM PST
Nautical Twilight 5:55 AM PST 5:48 PM PST
Astronomical Twilight 5:24 AM PST 6:18 PM PST
Moon 2:22 AM PST (12/30) 12:55 PM PST (12/30)
Length of Visible Light 10h 50m
Length of Day
9h 54m
Waning Crescent, 22% of the Moon is Illuminated
Dec 30
Waning Crescent
Jan 4
New
Jan 12
First Quarter
Jan 19
Full
Jan 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 1.64
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
73 | 33 0.00
Average:
69 | 40 0.00
Partly Cloudy
Actual:
78 | 39 0.00
Average:
70 | 40 0.02
Partly Cloudy
Actual:
71 | 42 0.00
Average:
69 | 41 0.08
Mostly Cloudy
Actual:
62 | 39 0.00
Average:
67 | 41 0.09
Rain
Actual:
59 | 42 0.00
Average:
68 | 41 0.10
Partly Cloudy
Actual:
64 | 46 0.00
Average:
69 | 41 0.17
Clear
Actual:
73 | 42 0.00
Average:
67 | 41 0.16
Scattered Clouds
Actual:
75 | 39 0.00
Average:
68 | 40 0.05
Partly Cloudy
Actual:
71 | 42 0.00
Average:
67 | 39 0.01
Partly Cloudy
Actual:
69 | 44 0.00
Average:
67 | 39 0.00
Partly Cloudy
Actual:
80 | 48 0.00
Average:
67 | 39 0.01
Scattered Clouds
Actual:
82 | 48 0.00
Average:
65 | 37 0.00
Scattered Clouds
Actual:
80 | 42 0.00
Average:
64 | 38 0.01
Scattered Clouds
Actual:
71 | 39 0.00
Average:
67 | 37 0.01
Overcast
Actual:
55 | 50 0.00
Average:
66 | 38 0.03
Partly Cloudy
Actual:
64 | 44 0.00
Average:
66 | 39 0.04
Rain
Actual:
53 | 48 0.00
Average:
66 | 39 0.05
Rain
Actual:
59 | 53 0.00
Average:
63 | 39 0.06
Rain
Actual:
57 | 51 0.00
Average:
63 | 39 0.12
Rain
Actual:
57 | 51 0.00
Average:
63 | 38 0.04
Rain
Actual:
53 | 48 0.00
Average:
62 | 37 0.07
Rain
Actual:
57 | 46 0.00
Average:
64 | 38 0.06
Partly Cloudy
Actual:
55 | 42 0.00
Average:
65 | 37 0.01
Scattered Clouds
Actual:
66 | 37 0.00
Average:
66 | 38 0.03
Partly Cloudy
Actual:
66 | 39 0.00
Average:
66 | 39 0.09
Mostly Cloudy
Actual:
57 | 48 0.00
Average:
65 | 38 0.06
Scattered Clouds
Actual:
66 | 39 0.00
Average:
65 | 37 0.06
Scattered Clouds
Actual:
64 | 37 0.00
Average:
64 | 39 0.09
Rain
Actual:
50 | 46 0.00
Average:
63 | 38 0.05
Scattered Clouds
Actual:
50 | 37 0.00
Average:
65 | 38 0.04
Partly Cloudy
Actual:
51 | 30 0.00
Average:
65 | 37 0.03
 

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

2010 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 73 53 33 28 16 7 75 26 8 30.16 30.08 30.03 10 10 10 12 3 - 0.00  
2 78 58 39 30 20 10 65 25 8 30.09 30.04 29.99 10 10 10 6 2 - 0.00  
3 71 56 42 30 25 16 61 30 12 30.06 30.00 29.95 10 10 10 9 2 - 0.00  
4 62 50 39 34 28 23 65 39 22 30.11 30.07 30.00 10 10 10 9 3 - 0.00  
5 59 50 42 48 44 34 82 73 62 30.21 30.10 30.03 10 8 5 12 3 21 0.00 Rain
6 64 55 46 48 46 43 100 71 45 30.23 30.19 30.16 10 9 4 7 2 - 0.00  
7 73 58 42 43 35 30 76 43 20 30.23 30.18 30.14 15 10 10 9 3 - 0.00  
8 75 57 39 37 30 19 75 35 12 30.18 30.13 30.09 10 10 10 6 2 - 0.00  
9 71 56 42 45 34 27 76 41 19 30.16 30.11 30.07 10 10 10 5 1 - 0.00  
10 69 56 44 46 43 37 87 61 33 30.14 30.09 30.05 10 10 10 5 2 - 0.00  
11 80 64 48 45 41 37 76 44 21 30.14 30.10 30.07 10 10 10 9 1 - 0.00  
12 82 65 48 45 38 36 71 35 19 30.23 30.15 30.09 10 10 10 9 3 - 0.00  
13 80 61 42 39 32 27 66 32 14 30.08 30.00 29.94 10 10 10 10 2 - 0.00  
14 71 55 39 48 39 32 88 51 27 30.01 29.94 29.84 10 9 5 8 3 - 0.00  
15 55 52 50 48 46 36 87 77 47 29.99 29.94 29.91 10 6 3 5 1 - 0.00  
16 64 54 44 54 42 36 93 70 44 29.97 29.95 29.92 10 9 5 9 2 - 0.00  
17 53 50 48 50 47 43 94 84 71 30.04 30.00 29.90 10 7 2 9 3 - 0.00 Rain
18 59 56 53 52 52 52 94 89 77 30.07 30.03 30.00 10 9 3 9 2 - 0.00 Rain
19 57 54 51 54 52 50 100 92 88 29.95 29.87 29.81 7 4 1 14 11 24 0.00 Rain
20 57 54 51 55 52 48 100 88 82 29.84 29.80 29.74 10 6 2 13 6 22 0.00 Rain
21 53 50 48 50 49 46 100 93 88 29.97 29.93 29.90 7 4 2 5 1 - 0.00 Rain
22 57 52 46 52 48 43 100 87 72 29.97 29.85 29.78 10 6 2 14 7 25 0.00 Rain
23 55 48 42 45 44 43 100 82 67 30.20 30.17 30.15 10 10 10 6 1 - 0.00  
24 66 52 37 45 40 34 93 58 30 30.20 30.13 30.08 10 10 10 5 2 - 0.00  
25 66 52 39 46 42 36 87 63 35 30.08 30.02 29.96 10 10 10 8 5 - 0.00  
26 57 52 48 48 45 43 100 77 59 30.18 30.15 30.10 10 10 7 9 3 - 0.00  
27 66 52 39 37 30 21 81 45 18 30.15 30.10 30.04 10 10 10 12 2 - 0.00  
28 64 50 37 36 29 19 75 40 18 30.10 30.02 29.97 10 10 10 8 1 - 0.00  
29 50 48 46 48 45 41 94 89 81 29.84 29.73 29.63 7 5 3 12 3 - 0.00 Rain
30 50 44 37 19 13 7 45 28 17 29.86 29.82 29.78 10 10 10 18 11 28 0.00  
31 51 40 30 27 18 12 65 38 24 30.12 30.03 29.96 10 10 10 13 4 - 0.00