Weather History for Watertown, SD

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 56 °F 25 °F 3 °F
Mean Temperature 40 °F 17 °F -5 °F
Min Temperature 29 °F 9 °F -13 °F
Degree Days  
Heating Degree Days (base 65) 70 48 25 1482
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 39 °F 13 °F -16 °F
Precipitation  
Precipitation 0.30 in 0.03 in 0.00 in 0.77 in
Snowdepth 8.0 in 4.5 in 0.0 in -
Wind  
Wind 39 mph 8 mph 0 mph
Gust Wind 47 mph 27 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.62 in 29.99 in 29.46 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:56 AM CST 4:47 PM CST
Civil Twilight 7:23 AM CST 5:20 PM CST
Nautical Twilight 6:46 AM CST 5:58 PM CST
Astronomical Twilight 6:10 AM CST 6:33 PM CST
Moon 5:50 AM CST (12/11) 3:29 PM CST (12/11)
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.77 Normal Month Total: 0.53
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
51 | 25 0.00
Average:
30 | 12 0.02
Clear
Actual:
56 | 22 0.00
Average:
29 | 12 0.02
Scattered Clouds
Actual:
51 | 29 0.01
Average:
29 | 11 0.02
Clear
Actual:
33 | 21 0.00
Average:
28 | 11 0.02
Clear
Actual:
45 | 19 0.00
Average:
28 | 10 0.02
Scattered Clouds
Actual:
42 | 21 T
Average:
28 | 10 0.01
Snow
Actual:
29 | 16 0.19
Average:
27 | 10 0.02
Snow
Actual:
27 | 16 0.21
Average:
27 | 9 0.02
Snow
Actual:
27 | -1 0.01
Average:
26 | 9 0.02
Snow
Actual:
13 | -11 0.00
Average:
26 | 9 0.02
Snow
Actual:
25 | 6 T
Average:
26 | 8 0.02
Scattered Clouds
Actual:
30 | 16 0.00
Average:
25 | 8 0.01
Fog
Actual:
28 | 12 0.00
Average:
25 | 8 0.02
Fog
Actual:
35 | 16 0.00
Average:
25 | 7 0.01
Snow
Actual:
33 | 16 0.30
Average:
24 | 7 0.02
Fog
Actual:
21 | 14 0.00
Average:
24 | 7 0.02
Snow
Actual:
24 | 19 0.00
Average:
24 | 6 0.01
Snow
Actual:
28 | 11 0.01
Average:
24 | 6 0.02
Partly Cloudy
Actual:
22 | 7 0.00
Average:
24 | 6 0.01
Snow
Actual:
16 | -5 T
Average:
23 | 6 0.02
Clear
Actual:
16 | -8 0.00
Average:
23 | 6 0.02
Clear
Actual:
20 | 4 0.00
Average:
23 | 5 0.01
Snow
Actual:
10 | 4 0.00
Average:
23 | 5 0.02
Snow
Actual:
8 | -9 0.01
Average:
23 | 5 0.01
Scattered Clouds
Actual:
3 | -13 0.00
Average:
23 | 5 0.02
Partly Cloudy
Actual:
10 | 3 0.00
Average:
22 | 5 0.02
Snow
Actual:
16 | 8 0.03
Average:
22 | 5 0.01
Overcast
Actual:
16 | 9 0.00
Average:
22 | 4 0.02
Fog
Actual:
11 | -6 0.00
Average:
22 | 4 0.02
Scattered Clouds
Actual:
19 | 0 0.00
Average:
22 | 4 0.01
Snow
Actual:
17 | 6 T
Average:
22 | 4 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 51 38 25 32 29 22 89 68 46 29.91 29.80 29.73 10 7 4 22 8 28 0.00  
2 56 39 22 38 31 21 96 72 47 29.95 29.80 29.58 10 8 4 24 12 32 0.00  
3 51 40 29 39 30 21 92 65 38 30.02 29.74 29.46 10 10 7 24 14 32 0.01  
4 33 27 21 22 16 10 84 67 49 30.37 30.25 30.04 10 10 10 14 8 17 0.00  
5 45 32 19 25 19 10 71 56 41 30.32 29.97 29.70 10 10 10 26 14 33 0.00  
6 42 32 21 27 24 19 88 68 48 30.05 29.94 29.72 10 10 10 23 9 29 T  
7 29 23 16 27 23 16 100 91 81 30.07 30.00 29.94 10 2 0 10 3 13 0.19 Fog , Snow
8 27 22 16 25 21 15 96 90 84 30.05 29.90 29.79 10 2 0 21 10 26 0.21 Fog , Snow
9 27 13 -1 25 9 -6 96 82 68 30.24 29.98 29.79 10 2 0 39 22 47 0.01 Fog , Snow
10 13 1 -11 9 -2 -14 91 84 76 30.20 29.94 29.75 10 7 1 15 7 17 0.00 Snow
11 25 16 6 20 15 7 96 85 74 29.92 29.85 29.75 10 6 1 14 7 17 T Snow
12 30 23 16 24 17 11 92 82 72 29.89 29.82 29.77 10 10 10 17 9 22 0.00  
13 28 20 12 22 14 10 92 84 75 30.14 30.04 29.89 9 4 0 13 5 16 0.00 Fog
14 35 26 16 27 19 14 92 81 69 30.09 29.90 29.68 10 6 0 17 9 23 0.00 Fog
15 33 25 16 31 27 13 100 89 78 29.75 29.60 29.53 10 3 1 17 10 21 0.30 Rain , Snow
16 21 18 14 19 17 12 100 94 88 29.86 29.78 29.70 10 3 0 18 8 22 0.00 Fog
17 24 22 19 22 18 16 96 90 84 29.81 29.67 29.55 9 3 1 13 6 16 0.00 Snow
18 28 20 11 27 22 12 100 94 88 29.85 29.63 29.51 10 2 0 15 7 18 0.01 Fog , Snow
19 22 15 7 17 11 6 96 85 73 30.12 30.00 29.86 10 10 9 15 7 20 0.00  
20 16 6 -5 13 8 -8 96 86 76 30.28 30.11 30.00 10 6 1 24 13 28 T Snow
21 16 4 -8 9 1 -9 91 76 61 30.35 30.26 30.13 10 8 2 17 6 22 0.00  
22 20 12 4 13 7 1 100 87 73 30.19 30.10 30.04 10 9 5 20 10 22 0.00  
23 10 7 4 6 3 1 91 86 80 30.17 30.07 29.97 10 4 1 20 8 23 0.00 Snow
24 8 0 -9 5 -4 -12 90 83 75 30.46 30.23 29.99 10 8 4 17 10 20 0.01 Snow
25 3 -5 -13 -1 -7 -16 95 87 79 30.62 30.54 30.36 10 10 6 10 5 12 0.00  
26 10 7 3 2 0 -2 87 77 66 30.45 30.32 30.24 10 10 8 8 4 10 0.00  
27 16 12 8 12 8 1 92 81 69 30.23 30.12 30.03 10 4 1 9 6 15 0.03 Snow
28 16 13 9 13 10 8 100 90 80 30.15 30.09 29.99 10 6 2 10 5 13 0.00  
29 11 3 -6 9 -1 -6 100 92 83 30.22 30.08 29.99 10 4 0 12 4 14 0.00 Fog
30 19 10 0 16 7 -2 92 86 80 30.18 30.06 29.93 10 10 4 26 9 32 0.00  
31 17 12 6 13 5 1 88 81 73 30.29 30.22 30.05 10 8 2 26 6 30 T Snow