Weather History for Williston, ND

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Month of August, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 85 °F 73 °F
Mean Temperature 80 °F 70 °F 62 °F
Min Temperature 71 °F 56 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 9
Cooling Degree Days (base 65) 15 6 0 177
Growing Degree Days (base 50) 30 20 12 635
Dew Point  
Dew Point 76 °F 54 °F 34 °F
Precipitation  
Precipitation 0.60 in 0.06 in 0.00 in 1.65 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 44 mph 7 mph 0 mph
Gust Wind 61 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.88 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 13, 2011 Rise Set
Actual Time 6:45 AM CDT 9:11 PM CDT
Civil Twilight 6:11 AM CDT 9:46 PM CDT
Nautical Twilight 5:27 AM CDT 10:29 PM CDT
Astronomical Twilight 4:37 AM CDT 11:19 PM CDT
Moon 8:48 PM CDT (8/13) 6:45 AM CDT (8/13)
Length of Visible Light 15h 35m
Length of Day
14h 26m
Full, 100% of the Moon is Illuminated
Aug 13
Full
Aug 13
Full
Aug 21
Last Quarter
Aug 28
New
Sep 4
First Quarter

Weather History Calendar

Precipitation Actual month total 1.65 Normal Month Total: 1.45
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
89 | 71 0.01
Average:
86 | 57 0.06
Thunderstorm
Actual:
87 | 55 0.00
Average:
86 | 57 0.05
Scattered Clouds
Actual:
92 | 67 0.02
Average:
86 | 57 0.05
Rain
Actual:
86 | 62 0.00
Average:
86 | 57 0.05
Thunderstorm
Actual:
73 | 63 0.16
Average:
86 | 57 0.04
Rain
Actual:
78 | 64 0.02
Average:
86 | 56 0.05
Thunderstorm
Actual:
88 | 60 0.09
Average:
86 | 56 0.04
Scattered Clouds
Actual:
75 | 55 0.00
Average:
86 | 56 0.05
Scattered Clouds
Actual:
80 | 46 0.00
Average:
86 | 56 0.05
Thunderstorm
Actual:
85 | 49 0.01
Average:
86 | 56 0.05
Scattered Clouds
Actual:
82 | 57 T
Average:
86 | 56 0.04
Rain
Actual:
75 | 57 0.04
Average:
85 | 55 0.05
Fog
Actual:
80 | 51 0.00
Average:
85 | 55 0.05
Clear
Actual:
91 | 54 0.00
Average:
85 | 55 0.04
Thunderstorm
Actual:
84 | 62 0.24
Average:
85 | 55 0.05
Thunderstorm
Actual:
75 | 52 0.11
Average:
85 | 54 0.05
Clear
Actual:
88 | 47 0.00
Average:
84 | 54 0.05
Clear
Actual:
85 | 46 0.00
Average:
84 | 54 0.04
Partly Cloudy
Actual:
75 | 49 0.00
Average:
84 | 54 0.05
Scattered Clouds
Actual:
79 | 45 0.00
Average:
83 | 53 0.05
Clear
Actual:
89 | 44 0.00
Average:
83 | 53 0.04
Scattered Clouds
Actual:
97 | 58 0.00
Average:
83 | 53 0.05
Scattered Clouds
Actual:
92 | 58 0.00
Average:
82 | 52 0.04
Clear
Actual:
86 | 52 0.00
Average:
82 | 52 0.05
Scattered Clouds
Actual:
96 | 63 T
Average:
82 | 52 0.04
Scattered Clouds
Actual:
84 | 54 0.01
Average:
81 | 51 0.05
Thunderstorm
Actual:
87 | 57 0.12
Average:
81 | 51 0.05
Clear
Actual:
88 | 58 0.00
Average:
80 | 50 0.04
Rain
Actual:
89 | 56 0.22
Average:
80 | 50 0.04
Clear
Actual:
81 | 62 0.00
Average:
79 | 50 0.05
Thunderstorm
Actual:
87 | 57 0.60
Average:
79 | 49 0.04
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 89 80 71 76 71 57 94 69 43 29.90 29.78 29.71 10 7 2 15 5 18 0.01 Rain
2 87 71 55 59 56 51 93 62 30 30.04 29.95 29.80 10 10 6 26 7 33 0.00 Rain , Thunderstorm
3 92 80 67 61 57 53 81 55 28 29.86 29.80 29.74 10 10 10 16 6 20 0.02  
4 86 74 62 62 59 56 93 67 40 29.94 29.89 29.81 10 10 10 15 8 17 0.00 Rain
5 73 68 63 64 59 52 93 76 58 30.00 29.94 29.88 10 10 7 20 7 23 0.16 Rain , Thunderstorm
6 78 71 64 63 61 58 93 72 50 29.96 29.92 29.88 10 10 10 15 7 22 0.02 Rain
7 88 74 60 64 59 54 90 63 36 29.89 29.77 29.67 10 10 8 22 10 29 0.09 Rain , Thunderstorm
8 75 65 55 54 51 48 86 65 43 29.92 29.84 29.78 10 10 10 28 13 38 0.00  
9 80 63 46 55 51 46 100 67 33 29.99 29.94 29.89 10 10 10 10 2 15 0.00  
10 85 67 49 59 52 47 96 62 27 29.91 29.85 29.75 10 10 7 24 7 35 0.01 Rain , Thunderstorm
11 82 70 57 60 55 48 87 59 31 29.84 29.79 29.74 10 10 10 24 6 31 T  
12 75 66 57 61 57 54 93 77 61 30.07 29.94 29.82 10 10 6 18 7 22 0.04 Rain
13 80 66 51 61 55 50 100 71 42 30.16 30.11 29.98 10 6 0 16 6 20 0.00 Fog
14 91 73 54 65 57 52 93 63 32 29.97 29.83 29.69 10 10 10 18 7 25 0.00  
15 84 73 62 68 64 59 93 70 47 29.81 29.72 29.65 10 9 2 28 6 36 0.24 Rain , Thunderstorm
16 75 64 52 67 50 38 86 57 27 30.04 29.91 29.68 10 10 2 25 13 35 0.11 Rain , Thunderstorm
17 88 68 47 52 46 40 80 51 22 30.05 29.96 29.84 10 10 10 16 6 20 0.00  
18 85 66 46 53 47 42 93 59 24 29.97 29.87 29.80 10 10 10 23 8 31 0.00  
19 75 62 49 49 46 42 83 58 33 30.08 30.04 29.97 10 10 8 15 4 18 0.00  
20 79 62 45 52 47 41 93 61 28 30.07 30.04 29.99 10 10 10 17 4 22 0.00  
21 89 67 44 56 49 43 93 59 24 30.03 29.93 29.79 10 10 10 13 5 15 0.00  
22 97 78 58 59 50 34 84 48 11 29.78 29.70 29.63 10 10 10 22 8 28 0.00  
23 92 75 58 51 45 40 69 43 16 29.83 29.67 29.62 10 10 10 32 14 43 0.00  
24 86 69 52 48 43 36 77 47 17 30.08 29.97 29.86 10 10 10 13 5 17 0.00  
25 96 80 63 59 50 39 57 37 16 29.91 29.83 29.76 10 10 10 20 7 25 T  
26 84 69 54 55 47 40 86 54 22 30.14 30.07 29.93 10 10 10 13 6 15 0.01  
27 87 72 57 63 57 45 86 64 42 30.19 30.00 29.88 10 10 7 26 7 38 0.12 Rain , Thunderstorm
28 88 73 58 63 57 49 97 62 27 29.99 29.96 29.90 10 10 7 14 5 21 0.00  
29 89 73 56 63 58 53 90 62 34 29.96 29.84 29.74 10 9 2 20 7 28 0.22 Rain
30 81 72 62 61 59 56 84 67 49 29.77 29.72 29.66 10 10 10 17 9 22 0.00  
31 87 72 57 65 61 56 100 74 48 29.77 29.67 29.54 10 8 0 44 10 61 0.60 Rain , Thunderstorm