Weather History for Riverside, CA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 79 °F 64 °F 55 °F
Mean Temperature 65 °F 55 °F 46 °F
Min Temperature 59 °F 45 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 19 10 0 320
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 5 0 150
Dew Point  
Dew Point 59 °F 42 °F 6 °F
Precipitation  
Precipitation 0.49 in 0.04 in 0.00 in 1.12 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 21 mph 3 mph 0 mph
Gust Wind 94 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.03 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 03, 2012 Rise Set
Actual Time 6:39 AM PST 4:40 PM PST
Civil Twilight 6:11 AM PST 5:07 PM PST
Nautical Twilight 5:40 AM PST 5:38 PM PST
Astronomical Twilight 5:10 AM PST 6:09 PM PST
Moon 9:24 PM PST (12/3) 10:11 AM PST (12/3)
Length of Visible Light 10h 56m
Length of Day
10h 01m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 3
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 1.12 Normal Month Total: 1.53
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Overcast
Actual:
66 | 59 0.00
Average:
69 | 44 0.03
Rain
Actual:
66 | 59 0.00
Average:
69 | 43 0.04
Rain
Actual:
68 | 58 0.09
Average:
68 | 43 0.04
Partly Cloudy
Actual:
72 | 57 0.00
Average:
68 | 43 0.03
Fog
Actual:
73 | 47 0.00
Average:
68 | 43 0.04
Fog
Actual:
65 | 53 0.00
Average:
68 | 43 0.04
Clear
Actual:
79 | 45 0.00
Average:
67 | 43 0.04
Clear
Actual:
70 | 44 0.00
Average:
67 | 43 0.04
Fog
Actual:
71 | 43 0.00
Average:
67 | 43 0.03
Clear
Actual:
78 | 48 0.00
Average:
67 | 43 0.04
Clear
Actual:
74 | 43 0.00
Average:
67 | 42 0.03
Rain
Actual:
64 | 42 0.00
Average:
67 | 42 0.04
Rain
Actual:
56 | 52 0.49
Average:
66 | 42 0.03
Rain
Actual:
56 | 41 0.00
Average:
66 | 42 0.04
Rain
Actual:
58 | 43 0.04
Average:
66 | 42 0.04
Rain
Actual:
55 | 50 T
Average:
66 | 42 0.04
Overcast
Actual:
62 | 50 0.00
Average:
66 | 42 0.04
Rain
Actual:
59 | 52 0.05
Average:
66 | 42 0.05
Clear
Actual:
59 | 35 0.00
Average:
66 | 42 0.04
Clear
Actual:
65 | 42 0.00
Average:
66 | 42 0.05
Scattered Clouds
Actual:
64 | 36 0.00
Average:
66 | 42 0.05
Partly Cloudy
Actual:
62 | 36 0.00
Average:
66 | 42 0.05
Rain
Actual:
61 | 50 T
Average:
66 | 42 0.05
Rain
Actual:
62 | 50 0.22
Average:
66 | 42 0.05
Scattered Clouds
Actual:
61 | 43 0.00
Average:
66 | 42 0.05
Rain
Actual:
59 | 42 0.10
Average:
66 | 42 0.07
Scattered Clouds
Actual:
59 | 37 0.00
Average:
66 | 42 0.08
Scattered Clouds
Actual:
63 | 36 0.00
Average:
66 | 42 0.09
Rain
Actual:
55 | 37 0.13
Average:
66 | 43 0.09
Fog
Actual:
55 | 39 0.00
Average:
66 | 43 0.10
Scattered Clouds
Actual:
58 | 34 0.00
Average:
66 | 43 0.08
 

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

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 66 63 59 59 57 54 97 82 67 30.19 30.14 30.09 10 8 5 6 1 - 0.00  
2 66 63 59 57 56 54 93 78 63 30.15 30.09 30.03 10 9 2 12 5 15 0.00 Rain
3 68 63 58 58 57 55 100 84 68 30.19 30.14 30.08 10 8 2 8 2 12 0.09 Rain
4 72 65 57 57 54 51 100 75 49 30.24 30.16 30.11 10 5 2 5 0 8 0.00  
5 73 60 47 55 49 43 96 66 35 30.15 30.07 29.98 10 7 0 8 3 12 0.00 Fog
6 65 59 53 55 53 50 100 82 63 30.04 29.95 29.85 6 3 0 5 1 - 0.00 Fog
7 79 62 45 52 48 42 93 61 29 29.96 29.91 29.87 10 6 1 13 3 23 0.00  
8 70 57 44 52 44 36 77 56 35 29.96 29.92 29.87 10 8 3 9 4 10 0.00  
9 71 57 43 49 46 42 100 68 35 30.10 30.01 29.95 9 4 0 9 1 12 0.00 Fog
10 78 63 48 41 32 25 71 42 13 30.11 30.06 30.00 10 10 8 13 5 18 0.00  
11 74 59 43 47 37 30 61 42 22 30.04 29.98 29.91 10 10 8 9 4 13 0.00  
12 64 53 42 52 44 38 86 67 48 29.96 29.89 29.82 10 9 3 10 2 14 0.00 Rain
13 56 54 52 52 49 41 100 92 83 29.82 29.77 29.70 10 8 2 9 2 12 0.49 Rain
14 56 49 41 43 40 35 96 72 47 30.01 29.87 29.74 10 10 8 17 2 22 0.00 Rain
15 58 51 43 45 41 34 92 68 43 30.07 30.00 29.96 10 10 5 8 2 10 0.04 Rain
16 55 53 50 50 46 41 80 72 63 30.17 30.13 30.07 10 9 4 9 3 13 T Rain
17 62 56 50 51 49 47 96 76 56 30.17 30.08 29.99 10 8 4 6 0 8 0.00  
18 59 56 52 54 46 20 93 78 62 30.00 29.88 29.77 10 7 1 21 3 25 0.05 Rain
19 59 47 35 25 14 6 59 36 12 30.27 30.16 29.99 10 10 10 17 7 32 0.00  
20 65 54 42 23 16 13 29 22 14 30.23 30.14 30.06 10 10 10 13 7 20 0.00  
21 64 50 36 32 25 20 51 35 19 30.11 30.06 30.01 10 10 9 7 3 8 0.00  
22 62 49 36 46 35 28 75 56 36 30.17 30.11 30.04 10 10 9 9 3 94 0.00  
23 61 56 50 49 47 44 93 74 55 30.20 30.14 30.09 10 8 2 10 2 13 T Rain
24 62 56 50 52 50 46 96 82 67 30.11 30.06 29.96 10 7 2 9 3 12 0.22 Rain
25 61 52 43 45 38 26 100 64 27 30.11 30.05 29.97 10 7 2 9 2 12 0.00  
26 59 51 42 48 42 34 100 77 53 29.97 29.93 29.88 10 8 2 17 6 23 0.10 Rain
27 59 48 37 43 36 30 93 66 39 30.09 29.98 29.93 10 10 7 8 2 12 0.00  
28 63 50 36 35 29 22 85 54 22 30.16 30.09 30.04 10 10 10 8 3 12 0.00  
29 55 46 37 46 40 27 86 66 45 30.06 30.01 29.96 10 8 2 13 4 16 0.13 Rain
30 55 47 39 43 40 34 100 73 46 30.04 29.97 29.88 10 4 0 12 2 16 0.00 Fog
31 58 46 34 37 31 20 92 58 24 30.23 30.16 30.07 10 10 7 14 6 47 0.00