Weather History for Williston, ND

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Month of September, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 67 °F 49 °F
Mean Temperature 67 °F 56 °F 39 °F
Min Temperature 56 °F 44 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 26 9 0 284
Cooling Degree Days (base 65) 2 0 0 5
Growing Degree Days (base 50) 18 7 0 199
Dew Point  
Dew Point 61 °F 45 °F 21 °F
Precipitation  
Precipitation 1.00 in 0.05 in 0.00 in 1.41 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 38 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 29.96 in 29.49 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 13, 2010 Rise Set
Actual Time 7:28 AM CDT 8:11 PM CDT
Civil Twilight 6:57 AM CDT 8:42 PM CDT
Nautical Twilight 6:19 AM CDT 9:19 PM CDT
Astronomical Twilight 5:40 AM CDT 9:58 PM CDT
Moon 2:26 PM CDT (9/13) 10:44 PM CDT (9/13)
Length of Visible Light 13h 45m
Length of Day
12h 42m
Waxing Crescent, 34% of the Moon is Illuminated
Sep 13
Waxing Crescent
Sep 15
First Quarter
Sep 23
Full
Sep 30
Last Quarter
Oct 7
New

Weather History Calendar

Precipitation Actual month total 1.41 Normal Month Total: 1.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
68 | 48 0.07
Average:
77 | 48 0.04
Rain
Actual:
68 | 50 0.01
Average:
76 | 48 0.04
Clear
Actual:
72 | 41 0.00
Average:
76 | 48 0.05
Clear
Actual:
82 | 44 0.00
Average:
75 | 47 0.05
Thunderstorm
Actual:
77 | 56 0.04
Average:
75 | 47 0.05
Rain
Actual:
60 | 52 0.04
Average:
74 | 46 0.05
Scattered Clouds
Actual:
71 | 40 0.00
Average:
74 | 46 0.05
Clear
Actual:
72 | 49 0.00
Average:
73 | 45 0.05
Thunderstorm
Actual:
63 | 56 1.00
Average:
73 | 45 0.05
Rain
Actual:
62 | 48 T
Average:
72 | 44 0.05
Scattered Clouds
Actual:
72 | 48 0.00
Average:
72 | 47 0.07
Clear
Actual:
71 | 39 0.00
Average:
71 | 43 0.05
Clear
Actual:
74 | 41 0.00
Average:
71 | 43 0.05
Scattered Clouds
Actual:
64 | 43 0.02
Average:
70 | 43 0.05
Rain
Actual:
59 | 51 0.01
Average:
70 | 42 0.05
Partly Cloudy
Actual:
64 | 46 0.00
Average:
69 | 42 0.05
Partly Cloudy
Actual:
49 | 34 0.00
Average:
69 | 41 0.05
Rain
Actual:
55 | 23 0.01
Average:
69 | 41 0.04
Overcast
Actual:
58 | 45 0.00
Average:
68 | 41 0.04
Mostly Cloudy
Actual:
63 | 48 0.01
Average:
68 | 40 0.04
Mostly Cloudy
Actual:
54 | 44 0.01
Average:
67 | 40 0.04
Thunderstorm
Actual:
50 | 45 0.14
Average:
67 | 39 0.04
Rain
Actual:
51 | 39 0.05
Average:
67 | 39 0.04
Scattered Clouds
Actual:
64 | 35 0.00
Average:
66 | 39 0.04
Clear
Actual:
73 | 34 0.00
Average:
66 | 38 0.04
Clear
Actual:
88 | 43 0.00
Average:
66 | 38 0.04
Clear
Actual:
75 | 50 0.00
Average:
65 | 38 0.04
Clear
Actual:
88 | 46 0.00
Average:
65 | 37 0.04
Scattered Clouds
Actual:
73 | 43 0.00
Average:
65 | 37 0.04
Clear
Actual:
74 | 33 0.00
Average:
64 | 37 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

2010 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 68 58 48 54 50 46 100 74 48 29.88 29.79 29.71 10 9 2 15 3 21 0.07 Rain
2 68 59 50 50 45 39 89 65 40 30.23 30.03 29.80 10 10 10 29 16 38 0.01 Rain
3 72 57 41 49 44 41 92 64 35 30.29 30.20 30.08 10 10 10 12 4 15 0.00  
4 82 63 44 48 45 41 93 59 25 30.07 29.89 29.71 10 10 10 17 7 25 0.00  
5 77 67 56 61 54 47 93 70 46 29.70 29.62 29.55 10 10 9 16 5 21 0.04 Rain , Thunderstorm
6 60 56 52 58 50 44 93 78 62 29.95 29.75 29.64 10 10 10 23 11 28 0.04 Rain
7 71 56 40 49 44 40 96 66 36 30.10 30.05 29.96 10 10 10 10 5 14 0.00  
8 72 61 49 51 47 43 80 61 42 30.08 29.93 29.82 10 10 10 25 14 35 0.00  
9 63 60 56 61 59 52 97 86 75 29.78 29.60 29.49 10 7 1 21 8 26 1.00 Rain , Thunderstorm
10 62 55 48 59 52 45 97 80 62 29.85 29.62 29.52 10 10 10 24 13 30 T Rain
11 72 60 48 48 45 42 90 66 35 29.92 29.89 29.85 10 10 10 20 11 26 0.00  
12 71 55 39 46 42 39 93 63 33 30.10 30.05 29.92 10 10 10 18 6 23 0.00  
13 74 58 41 50 45 39 92 67 41 30.16 30.07 30.00 10 10 10 21 8 29 0.00  
14 64 54 43 49 45 41 92 76 60 30.24 30.15 30.06 10 10 10 18 9 23 0.02  
15 59 55 51 54 50 48 89 82 75 30.09 30.06 30.01 10 10 6 12 4 13 0.01 Rain
16 64 55 46 53 50 44 96 80 63 30.03 29.89 29.78 10 10 10 21 8 24 0.00  
17 49 42 34 44 32 21 93 68 43 30.36 30.24 30.04 10 10 10 18 10 24 0.00  
18 55 39 23 37 30 21 100 68 35 30.38 30.32 30.22 10 10 10 14 5 17 0.01 Rain
19 58 52 45 44 38 33 71 64 57 30.25 30.08 29.86 10 10 10 22 12 29 0.00  
20 63 56 48 52 47 41 93 77 60 29.82 29.67 29.59 10 9 2 25 11 35 0.01  
21 54 49 44 42 39 37 86 73 59 29.99 29.93 29.78 10 10 10 22 8 26 0.01  
22 50 48 45 46 44 43 93 87 80 29.98 29.91 29.85 10 9 2 20 12 25 0.14 Rain , Thunderstorm
23 51 45 39 43 42 39 100 86 71 30.04 29.96 29.91 10 10 8 13 6 18 0.05 Rain
24 64 50 35 49 42 36 100 72 44 30.14 30.04 29.99 10 8 1 16 6 20 0.00  
25 73 54 34 44 40 33 100 65 29 30.26 30.16 30.03 10 10 10 15 5 20 0.00  
26 88 66 43 55 48 41 89 59 29 30.01 29.85 29.73 10 10 10 18 7 25 0.00  
27 75 63 50 48 44 38 83 55 27 30.11 30.01 29.83 10 10 10 24 7 30 0.00  
28 88 67 46 52 46 42 80 51 22 30.00 29.76 29.58 10 10 10 26 10 35 0.00  
29 73 58 43 49 41 34 83 55 27 30.14 30.00 29.74 10 10 10 25 13 33 0.00  
30 74 54 33 41 38 33 92 61 29 30.21 30.14 30.08 10 10 10 10 3 14 0.00