Weather History for Ontario, OR

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 41 °F 25 °F
Mean Temperature 49 °F 34 °F 17 °F
Min Temperature 41 °F 26 °F 7 °F
Degree Days  
Heating Degree Days (base 65) 48 31 16 973
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 47 °F 26 °F 3 °F
Precipitation  
Precipitation 0.24 in 0.03 in 0.00 in 0.95 in
Snowdepth - - - -
Wind  
Wind 37 mph 5 mph 0 mph
Gust Wind 48 mph 28 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.57 in 30.05 in 29.35 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 29, 2012 Rise Set
Actual Time 8:22 AM MST 5:18 PM MST
Civil Twilight 7:49 AM MST 5:51 PM MST
Nautical Twilight 7:13 AM MST 6:27 PM MST
Astronomical Twilight 6:38 AM MST 7:03 PM MST
Moon 6:59 PM MST (12/29) 8:55 AM MST (12/29)
Length of Visible Light 10h 01m
Length of Day
8h 55m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.95 Normal Month Total: 1.68
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
54 | 41 0.03
Average:
40 | 22 0.05
Rain
Actual:
58 | 33 0.12
Average:
39 | 22 0.05
Clear
Actual:
51 | 33 0.00
Average:
39 | 22 0.04
Rain
Actual:
50 | 40 0.24
Average:
39 | 21 0.05
Rain
Actual:
60 | 37 0.06
Average:
38 | 21 0.05
Partly Cloudy
Actual:
47 | 31 0.00
Average:
38 | 21 0.05
Partly Cloudy
Actual:
44 | 27 0.00
Average:
38 | 21 0.05
Rain
Actual:
42 | 32 T
Average:
37 | 21 0.05
Partly Cloudy
Actual:
38 | 28 0.00
Average:
37 | 20 0.05
Partly Cloudy
Actual:
42 | 27 0.00
Average:
37 | 20 0.05
Fog
Actual:
36 | 24 T
Average:
37 | 20 0.05
Rain
Actual:
45 | 32 0.12
Average:
36 | 20 0.06
Partly Cloudy
Actual:
41 | 27 0.00
Average:
36 | 20 0.05
Mostly Cloudy
Actual:
42 | 33 0.01
Average:
36 | 19 0.05
Snow
Actual:
40 | 29 0.02
Average:
36 | 19 0.06
Snow
Actual:
41 | 28 0.13
Average:
35 | 19 0.06
Rain
Actual:
48 | 28 0.01
Average:
35 | 19 0.06
Scattered Clouds
Actual:
36 | 20 0.00
Average:
35 | 19 0.06
Partly Cloudy
Actual:
35 | 14 0.00
Average:
35 | 19 0.06
Partly Cloudy
Actual:
43 | 33 0.00
Average:
35 | 19 0.06
Overcast
Actual:
41 | 33 0.00
Average:
35 | 19 0.05
Rain
Actual:
48 | 28 0.01
Average:
35 | 19 0.06
Snow
Actual:
38 | 25 0.08
Average:
35 | 19 0.06
Scattered Clouds
Actual:
43 | 25 0.00
Average:
35 | 19 0.05
Snow
Actual:
33 | 17 0.06
Average:
34 | 19 0.06
Snow
Actual:
32 | 26 0.04
Average:
34 | 19 0.06
Fog
Actual:
33 | 15 T
Average:
34 | 19 0.06
Fog
Actual:
26 | 11 0.00
Average:
34 | 19 0.06
Snow
Actual:
25 | 9 0.01
Average:
34 | 19 0.05
Snow
Actual:
25 | 15 0.01
Average:
34 | 19 0.06
Partly Cloudy
Actual:
26 | 7 0.00
Average:
34 | 19 0.05
 

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 54 48 41 45 42 38 92 77 61 29.88 29.81 29.65 10 10 7 18 4 23 0.03 Rain
2 58 46 33 47 38 28 92 69 46 30.07 29.59 29.35 10 8 2 26 10 32 0.12 Rain
3 51 42 33 35 31 29 82 66 50 30.25 30.19 30.11 10 10 8 9 3 24 0.00  
4 50 45 40 45 40 32 86 74 62 30.15 30.10 30.01 10 9 5 24 4 31 0.24 Rain
5 60 49 37 46 40 30 93 69 44 30.16 30.07 29.99 10 10 7 22 7 28 0.06 Rain
6 47 39 31 33 30 26 89 67 45 30.21 30.16 30.11 10 10 10 12 3 13 0.00  
7 44 36 27 32 28 24 92 75 58 30.22 30.14 30.03 10 10 10 13 3 16 0.00  
8 42 37 32 32 24 18 82 63 44 30.30 30.19 30.08 10 10 10 22 6 26 T Rain
9 38 33 28 28 23 20 85 67 48 30.52 30.43 30.31 10 9 2 8 3 16 0.00  
10 42 35 27 31 27 24 92 76 60 30.41 30.32 30.25 10 10 5 8 2 16 0.00  
11 36 30 24 32 28 21 100 91 82 30.22 29.94 29.67 10 6 0 12 3 15 T Fog
12 45 39 32 36 33 28 96 83 70 29.96 29.80 29.64 10 7 2 22 2 31 0.12 Rain
13 41 34 27 31 27 23 85 72 59 30.04 29.98 29.89 10 10 10 12 3 14 0.00  
14 42 38 33 32 31 28 89 77 65 29.95 29.85 29.76 10 10 6 12 1 14 0.01  
15 40 35 29 31 28 25 89 74 59 30.01 29.90 29.79 10 8 2 14 5 39 0.02 Snow
16 41 35 28 34 31 26 96 88 79 29.99 29.83 29.56 10 6 2 25 7 32 0.13 Rain , Snow
17 48 38 28 34 28 20 85 61 37 29.99 29.72 29.52 10 10 10 26 12 37 0.01 Rain
18 36 28 20 18 17 15 84 64 44 30.15 30.06 30.00 10 10 10 13 4 15 0.00  
19 35 25 14 21 16 11 88 68 47 30.35 30.28 30.16 10 10 9 17 5 22 0.00  
20 43 38 33 15 13 9 47 36 24 30.25 30.11 30.01 10 10 10 37 24 48 0.00  
21 41 37 33 20 15 11 56 44 32 30.05 30.00 29.94 10 10 10 30 9 38 0.00  
22 48 38 28 31 23 16 85 59 33 29.99 29.85 29.73 10 10 4 28 7 33 0.01 Rain
23 38 32 25 34 30 25 92 84 75 30.07 29.88 29.69 10 8 2 30 8 39 0.08 Rain , Snow
24 43 34 25 31 24 20 89 69 49 30.29 30.10 29.83 10 10 10 15 6 17 0.00  
25 33 25 17 29 24 14 92 82 72 30.30 30.07 29.90 10 5 1 16 5 22 0.06 Snow
26 32 29 26 29 27 25 92 89 85 30.00 29.87 29.80 10 4 0 10 3 16 0.04 Fog , Snow
27 33 24 15 27 22 12 96 87 78 30.28 30.10 29.96 10 3 0 7 1 9 T Fog
28 26 19 11 21 12 5 92 83 74 30.40 30.31 30.24 10 6 0 9 3 10 0.00 Fog
29 25 17 9 20 15 6 92 83 73 30.39 30.26 30.13 10 6 0 8 4 10 0.01 Fog , Snow
30 25 20 15 20 17 10 92 86 80 30.44 30.30 30.14 10 4 0 9 3 10 0.01 Fog , Snow
31 26 17 7 17 12 3 88 78 68 30.57 30.43 30.33 10 7 0 10 3 16 0.00