Ontario, CA

1:31 PM PST on November 22, 2017 (GMT -0800)
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Weather History for KONT - December, 2011

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 79 °F 65 °F 51 °F
Mean Temperature 61 °F 53 °F 47 °F
Min Temperature 55 °F 40 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 18 12 4 382
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 4 0 114
Dew Point  
Dew Point 46 °F 26 °F -15 °F
Precipitation  
Precipitation 0.42 in 0.03 in 0.00 in 0.81 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 39 mph 5 mph 0 mph
Gust Wind 55 mph 28 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.10 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 29, 2011 Rise Set
Actual Time 6:55 AM PST 4:49 PM PST
Civil Twilight 6:27 AM PST 5:17 PM PST
Nautical Twilight 5:56 AM PST 5:48 PM PST
Astronomical Twilight 5:25 AM PST 6:19 PM PST
Moon 10:05 AM PST (12/29) 10:15 PM PST (12/29)
Length of Visible Light 10h 50m
Length of Day
9h 54m
Waxing Crescent, 27% of the Moon is Illuminated
Dec 29
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

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 63 57 50 29 21 12 77 46 14 29.91 29.78 29.70 10 10 3 39 13 55 0.00  
2 63 54 44 41 32 25 49 37 25 30.01 29.96 29.91 10 10 10 16 6 31 0.00  
3 62 50 38 38 12 -1 82 46 9 30.20 30.07 29.99 10 10 10 31 10 44 0.00  
4 60 47 34 30 15 0 40 26 11 30.26 30.17 30.10 10 10 10 17 3 22 0.00  
5 60 47 34 26 6 -6 64 37 9 30.27 30.19 30.12 10 10 8 39 20 55 0.00  
6 62 47 32 19 12 -2 47 27 7 30.32 30.29 30.24 10 10 10 8 3 24 0.00  
7 67 50 32 23 14 5 56 32 8 30.25 30.15 30.07 10 10 10 9 2 20 0.00  
8 68 52 36 38 25 14 54 34 13 30.12 30.07 30.03 10 10 10 8 2 - 0.00  
9 71 54 37 36 26 17 65 40 14 30.15 30.11 30.07 10 10 10 8 3 21 0.00  
10 70 55 39 39 27 11 57 34 10 30.14 30.07 30.01 10 10 7 12 3 14 0.00  
11 59 47 34 43 38 30 82 63 43 30.01 29.93 29.85 10 8 6 10 3 13 0.00  
12 51 48 45 45 42 40 86 77 68 29.87 29.80 29.77 10 8 4 14 5 17 0.39 Rain
13 57 49 41 42 40 37 89 70 51 30.10 29.94 29.85 10 10 10 10 4 13 0.00  
14 58 48 38 42 39 35 82 65 47 30.27 30.20 30.12 10 10 6 8 1 14 0.00  
15 55 47 39 42 38 31 85 72 59 30.24 30.14 30.07 10 7 2 22 2 26 0.42 Rain , Thunderstorm
16 63 58 52 30 21 15 44 31 17 30.11 30.05 30.00 10 10 10 38 25 49 0.00  
17 63 59 55 39 29 20 40 31 21 30.14 30.06 29.99 10 10 10 32 15 44 T  
18 59 50 40 43 41 37 82 70 57 30.18 30.11 30.07 10 10 10 8 3 12 T Rain
19 56 53 49 45 43 39 80 70 59 30.10 30.05 30.00 10 9 8 7 1 10 T  
20 64 52 40 44 38 34 89 62 34 30.04 29.99 29.93 10 10 7 9 2 14 0.00  
21 62 51 39 45 36 28 67 52 36 30.09 30.02 29.97 10 10 4 9 3 25 0.00  
22 58 48 38 45 17 -15 100 54 8 30.34 30.21 30.10 10 7 0 39 14 53 0.00 Fog
23 68 54 40 18 4 -10 25 15 5 30.45 30.38 30.33 10 10 10 25 7 37 0.00  
24 71 55 38 16 7 -6 34 20 6 30.38 30.33 30.27 10 10 10 22 4 31 0.00  
25 71 54 37 23 17 9 44 27 9 30.34 30.27 30.19 10 10 10 9 2 17 0.00  
26 71 54 37 27 21 10 46 28 10 30.26 30.21 30.18 10 10 10 7 2 9 0.00  
27 70 53 36 33 25 14 55 34 12 30.24 30.20 30.13 10 9 6 7 2 8 0.00  
28 78 60 41 30 24 17 49 30 10 30.24 30.17 30.10 10 10 10 8 3 13 0.00  
29 76 59 41 37 29 21 53 33 13 30.10 30.03 29.96 10 10 8 7 1 13 0.00  
30 75 60 44 46 38 30 70 45 20 30.08 30.01 29.96 10 9 5 9 2 12 0.00  
31 79 61 43 39 35 30 71 45 19 30.09 30.02 29.96 10 9 8 6 1 25 0.00