Weather History for Hermiston, OR

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 62 °F 45 °F 28 °F
Mean Temperature 55 °F 38 °F 26 °F
Min Temperature 48 °F 31 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 39 27 10 834
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 0 0 5
Dew Point  
Dew Point 49 °F 32 °F 19 °F
Precipitation  
Precipitation 0.30 in 0.05 in 0.00 in 1.64 in
Snowdepth - - - -
Wind  
Wind 32 mph 7 mph 0 mph
Gust Wind 46 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.54 in 29.95 in 29.19 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 10, 2012 Rise Set
Actual Time 7:27 AM PST 4:12 PM PST
Civil Twilight 6:53 AM PST 4:46 PM PST
Nautical Twilight 6:15 AM PST 5:24 PM PST
Astronomical Twilight 5:39 AM PST 6:00 PM PST
Moon 4:11 AM PST (12/10) 2:10 PM PST (12/10)
Length of Visible Light 9h 53m
Length of Day
8h 44m
Waning Crescent, 9% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.64 Average Month Total: 1.14
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
55 | 46 0.15
Average:
44 | 28 0.03
Rain
Actual:
53 | 39 0.30
Average:
45 | 30 0.06
Rain
Actual:
57 | 41 0.00
Average:
45 | 30 0.05
Rain
Actual:
62 | 48 0.25
Average:
45 | 31 0.03
Rain
Actual:
52 | 32 0.01
Average:
44 | 29 0.09
Partly Cloudy
Actual:
46 | 30 0.00
Average:
42 | 28 0.09
Partly Cloudy
Actual:
54 | 37 0.00
Average:
43 | 27 0.04
Partly Cloudy
Actual:
44 | 33 0.00
Average:
40 | 26 0.02
Partly Cloudy
Actual:
43 | 30 0.00
Average:
43 | 27 0.04
Fog
Actual:
52 | 28 0.00
Average:
42 | 28 0.04
Rain
Actual:
46 | 35 0.11
Average:
44 | 27 0.02
Partly Cloudy
Actual:
48 | 28 0.00
Average:
43 | 26 0.03
Snow
Actual:
36 | 24 0.00
Average:
42 | 25 0.05
Snow
Actual:
36 | 30 0.05
Average:
40 | 26 0.02
Snow
Actual:
35 | 32 0.06
Average:
42 | 27 0.05
Rain
Actual:
52 | 33 0.03
Average:
43 | 27 0.02
Scattered Clouds
Actual:
48 | 30 0.00
Average:
40 | 27 0.02
Scattered Clouds
Actual:
44 | 26 0.00
Average:
38 | 25 0.03
Rain
Actual:
46 | 27 0.00
Average:
38 | 24 0.03
Rain
Actual:
61 | 39 0.05
Average:
36 | 24 0.04
Rain
Actual:
44 | 32 0.11
Average:
36 | 24 0.06
Rain
Actual:
45 | 28 0.01
Average:
39 | 25 0.02
Rain
Actual:
46 | 28 0.18
Average:
40 | 25 0.02
Scattered Clouds
Actual:
45 | 28 0.00
Average:
40 | 25 0.04
Snow
Actual:
34 | 28 0.18
Average:
41 | 26 0.01
Snow
Actual:
34 | 28 0.14
Average:
39 | 26 0.04
Partly Cloudy
Actual:
41 | 25 0.00
Average:
40 | 26 0.04
Fog
Actual:
30 | 23 0.00
Average:
38 | 23 0.03
Snow
Actual:
33 | 28 0.01
Average:
36 | 21 0.02
Overcast
Actual:
33 | 26 0.00
Average:
35 | 21 0.04
Fog
Actual:
28 | 24 0.00
Average:
35 | 22 0.02
 

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 55 50 46 45 41 38 93 73 51 29.76 29.62 29.43 10 10 10 14 7 21 0.15 Rain
2 53 46 39 46 38 32 97 72 47 29.90 29.55 29.20 10 10 9 24 9 33 0.30 Rain
3 57 49 41 40 36 33 76 58 44 30.05 29.98 29.81 10 10 10 14 4 21 0.00 Rain
4 62 55 48 49 45 38 90 70 50 29.81 29.76 29.70 10 10 9 16 6 24 0.25 Rain
5 52 42 32 45 34 29 88 70 44 30.22 30.12 29.83 10 10 10 16 11 29 0.01 Rain
6 46 38 30 34 31 28 92 73 61 30.19 30.14 30.08 10 10 10 13 6 - 0.00  
7 54 46 37 36 33 29 76 62 47 30.12 30.04 29.93 10 10 10 22 11 33 0.00  
8 44 39 33 34 31 29 92 74 62 30.35 30.21 30.10 10 10 10 12 8 17 0.00  
9 43 36 30 36 32 28 96 85 70 30.44 30.34 30.23 10 10 10 7 2 - 0.00  
10 52 40 28 41 34 28 100 87 66 30.32 30.25 30.08 10 8 0 10 4 - 0.00 Fog
11 46 40 35 39 34 30 97 78 60 30.04 29.73 29.59 10 10 10 9 6 - 0.11 Rain
12 48 39 28 36 33 24 93 78 54 30.01 29.80 29.61 10 10 10 13 7 20 0.00  
13 36 30 24 34 30 23 100 95 86 30.07 29.98 29.88 10 4 0 7 3 - 0.00 Fog , Snow
14 36 33 30 36 31 28 100 94 92 29.99 29.88 29.83 10 7 1 7 4 - 0.05 Rain , Snow
15 35 34 32 34 31 30 100 91 81 29.99 29.80 29.63 10 6 0 8 2 - 0.06 Fog , Rain , Snow
16 52 42 33 41 33 28 85 73 54 29.82 29.60 29.19 10 10 7 23 6 44 0.03 Rain
17 48 41 30 37 31 23 82 64 52 29.95 29.61 29.21 10 10 10 32 22 46 0.00  
18 44 35 26 26 23 20 85 67 43 30.06 29.99 29.94 10 10 10 14 7 - 0.00  
19 46 36 27 27 22 19 75 51 34 30.06 29.94 29.80 10 10 7 30 12 40 0.00 Rain
20 61 50 39 37 28 21 93 51 24 29.88 29.77 29.68 10 10 10 29 18 39 0.05 Rain
21 44 38 32 40 36 32 100 91 82 29.88 29.80 29.73 10 8 0 12 5 - 0.11 Fog , Rain
22 45 38 28 40 34 27 100 90 74 29.83 29.67 29.56 10 7 0 9 3 - 0.01 Fog , Rain
23 46 37 28 37 32 24 100 79 54 29.87 29.71 29.53 10 10 3 18 6 24 0.18 Rain
24 45 36 28 33 29 25 89 74 60 30.19 30.06 29.81 10 10 10 17 11 28 0.00  
25 34 31 28 32 30 24 96 90 72 30.15 29.89 29.79 10 6 1 12 6 - 0.18 Rain , Snow
26 34 31 28 34 31 27 100 94 87 30.00 29.86 29.79 10 5 0 9 5 - 0.14 Fog , Rain , Snow
27 41 33 25 32 28 23 96 89 67 30.21 30.11 30.00 10 8 2 6 3 - 0.00  
28 30 26 23 30 28 23 100 95 92 30.27 30.23 30.20 7 3 0 6 2 - 0.00 Fog
29 33 30 28 30 28 26 100 92 75 30.27 30.22 30.15 10 5 2 6 2 - 0.01 Snow
30 33 30 26 29 28 25 96 90 81 30.39 30.34 30.27 10 6 1 6 3 - 0.00  
31 28 26 24 27 25 23 100 91 85 30.54 30.39 30.34 9 4 0 5 2 - 0.00 Fog