Weather History for Williston, ND

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 22 °F 4 °F
Mean Temperature 36 °F 14 °F -7 °F
Min Temperature 26 °F 5 °F -20 °F
Degree Days  
Heating Degree Days (base 65) 72 51 29 1587
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 38 °F 11 °F -25 °F
Precipitation  
Precipitation 0.23 in 0.02 in 0.00 in 0.57 in
Snowdepth 7.0 in 3.0 in 0.0 in -
Wind  
Wind 29 mph 6 mph 0 mph
Gust Wind 33 mph 23 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.61 in 29.99 in 29.29 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 8:45 AM CST 5:09 PM CST
Civil Twilight 8:08 AM CST 5:46 PM CST
Nautical Twilight 7:29 AM CST 6:25 PM CST
Astronomical Twilight 6:51 AM CST 7:03 PM CST
Moon 7:56 PM CST (12/30) 9:44 AM CST (12/30)
Length of Visible Light 9h 37m
Length of Day
8h 24m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.57 Normal Month Total: 0.62
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
35 | 19 0.00
Average:
29 | 9 0.02
Fog
Actual:
46 | 17 T
Average:
29 | 8 0.02
Scattered Clouds
Actual:
43 | 16 0.01
Average:
28 | 8 0.02
Scattered Clouds
Actual:
26 | 10 0.00
Average:
28 | 7 0.02
Clear
Actual:
45 | 26 0.00
Average:
27 | 7 0.02
Scattered Clouds
Actual:
34 | 17 0.00
Average:
27 | 6 0.02
Snow
Actual:
19 | 14 0.04
Average:
27 | 6 0.02
Snow
Actual:
19 | -1 0.23
Average:
26 | 6 0.01
Scattered Clouds
Actual:
6 | -12 0.00
Average:
26 | 5 0.02
Snow
Actual:
26 | 4 0.01
Average:
26 | 5 0.02
Snow
Actual:
29 | 16 0.01
Average:
25 | 4 0.02
Fog
Actual:
30 | 13 0.00
Average:
25 | 4 0.02
Snow
Actual:
32 | 12 0.05
Average:
25 | 4 0.01
Fog
Actual:
33 | 7 0.00
Average:
24 | 3 0.02
Fog
Actual:
24 | 6 0.00
Average:
24 | 3 0.02
Snow
Actual:
21 | 9 T
Average:
24 | 3 0.03
Snow
Actual:
23 | 1 T
Average:
24 | 3 0.01
Snow
Actual:
32 | 13 0.01
Average:
23 | 2 0.03
Snow
Actual:
16 | 10 0.05
Average:
23 | 2 0.02
Clear
Actual:
15 | -7 0.00
Average:
23 | 2 0.02
Clear
Actual:
25 | 2 0.00
Average:
23 | 2 0.02
Snow
Actual:
10 | 2 T
Average:
23 | 1 0.02
Snow
Actual:
8 | 4 0.06
Average:
23 | 1 0.02
Snow
Actual:
6 | -1 0.03
Average:
22 | 1 0.02
Snow
Actual:
4 | -16 0.06
Average:
22 | 1 0.02
Snow
Actual:
6 | -20 T
Average:
22 | 1 0.02
Partly Cloudy
Actual:
10 | -6 0.00
Average:
22 | 0 0.03
Snow
Actual:
9 | -10 0.01
Average:
22 | 0 0.02
Partly Cloudy
Actual:
24 | -8 0.00
Average:
22 | 0 0.02
Snow
Actual:
23 | 5 T
Average:
22 | 0 0.02
Overcast
Actual:
17 | 7 T
Average:
22 | 0 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 35 27 19 32 25 19 100 92 84 29.87 29.77 29.64 10 6 0 17 4 20 0.00 Fog
2 46 32 17 34 26 18 100 81 62 29.79 29.58 29.29 10 6 0 14 4 18 T Fog
3 43 30 16 38 23 13 100 85 69 30.10 29.80 29.45 10 10 10 25 11 33 0.01  
4 26 18 10 19 14 8 92 83 73 30.33 30.21 30.07 10 10 10 16 6 22 0.00  
5 45 36 26 32 26 20 82 72 62 30.04 29.79 29.62 10 10 10 23 9 30 0.00  
6 34 26 17 29 23 16 100 83 66 30.06 29.99 29.83 10 10 10 21 7 26 0.00  
7 19 17 14 17 15 14 100 92 84 30.10 29.98 29.80 10 6 1 15 9 21 0.04 Snow
8 19 9 -1 16 8 -4 92 86 80 30.44 29.96 29.75 10 5 0 24 13 29 0.23 Fog , Snow
9 6 -3 -12 0 -5 -13 100 88 76 30.59 30.41 30.04 10 10 9 10 4 13 0.00  
10 26 15 4 22 14 1 92 83 73 29.99 29.82 29.71 10 10 9 29 9 33 0.01 Snow
11 29 23 16 26 18 12 92 83 74 29.88 29.70 29.48 10 9 2 20 6 23 0.01 Snow
12 30 22 13 24 16 10 100 90 80 30.04 29.77 29.57 10 7 0 13 6 15 0.00 Fog
13 32 22 12 30 17 10 100 94 88 30.07 29.96 29.81 10 5 1 10 2 13 0.05 Snow
14 33 20 7 31 21 8 100 91 81 29.88 29.78 29.69 10 5 0 12 4 16 0.00 Fog
15 24 15 6 23 16 3 100 96 91 29.93 29.83 29.69 10 5 0 9 3 12 0.00 Fog
16 21 15 9 20 15 9 100 90 80 29.86 29.77 29.72 10 4 0 8 4 12 T Fog , Snow
17 23 12 1 19 9 0 100 92 84 29.74 29.58 29.43 10 5 0 9 3 14 T Fog , Snow
18 32 23 13 27 18 12 100 87 73 29.77 29.56 29.43 10 9 2 22 9 28 0.01 Snow
19 16 13 10 11 7 -5 92 84 76 30.21 29.98 29.73 10 6 2 21 13 26 0.05 Snow
20 15 4 -7 7 -1 -10 100 84 67 30.23 30.19 30.06 10 9 7 6 1 7 0.00  
21 25 14 2 15 8 1 95 82 68 30.18 30.12 30.05 10 10 10 18 4 22 0.00  
22 10 6 2 5 1 -2 95 84 73 30.34 30.24 30.12 10 9 4 22 10 26 T Snow
23 8 6 4 4 3 0 91 86 80 30.29 30.16 30.06 10 5 1 16 7 20 0.06 Snow
24 6 3 -1 1 -2 -6 91 84 76 30.58 30.35 30.13 10 8 2 14 5 15 0.03 Snow
25 4 -6 -16 1 -3 -16 100 90 79 30.61 30.45 30.29 10 5 1 9 2 9 0.06 Snow
26 6 -7 -20 2 -9 -25 91 84 77 30.42 30.21 30.02 10 7 1 10 5 13 T Snow
27 10 2 -6 4 -1 -10 95 84 73 30.19 30.15 30.00 10 10 9 6 2 7 0.00  
28 9 0 -10 4 -2 -11 95 86 76 30.17 30.11 29.97 10 9 2 9 4 12 0.01 Snow
29 24 8 -8 16 10 -6 96 84 71 30.11 30.07 29.94 10 10 10 17 4 21 0.00  
30 23 14 5 18 12 5 100 89 77 30.24 30.07 29.94 10 8 2 18 7 22 T Snow
31 17 12 7 14 9 4 100 88 76 30.26 30.18 30.05 10 10 10 9 3 10 T