Weather History for Williston, ND

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 76 °F 54 °F
Mean Temperature 80 °F 63 °F 48 °F
Min Temperature 66 °F 49 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 17 5 0 139
Cooling Degree Days (base 65) 15 3 0 78
Growing Degree Days (base 50) 30 13 0 386
Dew Point  
Dew Point 67 °F 49 °F 32 °F
Precipitation  
Precipitation 1.23 in 0.07 in 0.00 in 1.85 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 38 mph 7 mph 0 mph
Gust Wind 49 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 29.88 in 29.42 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 30, 2013 Rise Set
Actual Time 7:52 AM CDT 7:35 PM CDT
Civil Twilight 7:21 AM CDT 8:06 PM CDT
Nautical Twilight 6:45 AM CDT 8:42 PM CDT
Astronomical Twilight 6:08 AM CDT 9:18 PM CDT
Moon 3:14 AM CDT (9/30) 5:21 PM CDT (9/30)
Length of Visible Light 12h 44m
Length of Day
11h 42m
Waning Crescent, 19% of the Moon is Illuminated
Sep 30
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.85 Normal Month Total: 1.06
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
77 | 58 0.00
Average:
78 | 49 0.04
Clear
Actual:
89 | 50 0.00
Average:
78 | 48 0.04
Clear
Actual:
95 | 57 0.00
Average:
78 | 48 0.04
Scattered Clouds
Actual:
83 | 63 T
Average:
77 | 47 0.04
Clear
Actual:
94 | 66 0.00
Average:
77 | 47 0.04
Rain
Actual:
94 | 65 0.02
Average:
76 | 46 0.04
Thunderstorm
Actual:
78 | 61 1.23
Average:
76 | 46 0.03
Partly Cloudy
Actual:
72 | 60 0.00
Average:
75 | 46 0.04
Thunderstorm
Actual:
78 | 55 0.07
Average:
75 | 45 0.04
Clear
Actual:
81 | 53 0.00
Average:
74 | 45 0.03
Clear
Actual:
79 | 50 0.00
Average:
74 | 44 0.03
Clear
Actual:
76 | 40 0.00
Average:
73 | 44 0.04
Clear
Actual:
85 | 47 0.00
Average:
73 | 43 0.03
Rain
Actual:
77 | 51 0.00
Average:
72 | 43 0.04
Scattered Clouds
Actual:
69 | 42 0.00
Average:
72 | 42 0.03
Clear
Actual:
79 | 50 0.00
Average:
71 | 42 0.03
Rain
Actual:
87 | 56 0.15
Average:
71 | 41 0.03
Rain
Actual:
79 | 56 0.15
Average:
70 | 41 0.03
Rain
Actual:
57 | 39 T
Average:
70 | 40 0.04
Clear
Actual:
68 | 35 0.00
Average:
69 | 40 0.03
Clear
Actual:
76 | 38 0.00
Average:
69 | 40 0.03
Clear
Actual:
74 | 45 0.00
Average:
68 | 39 0.04
Rain
Actual:
70 | 45 T
Average:
68 | 39 0.03
Clear
Actual:
72 | 40 0.00
Average:
67 | 38 0.04
Thunderstorm
Actual:
69 | 54 T
Average:
67 | 38 0.04
Rain
Actual:
57 | 43 0.23
Average:
66 | 37 0.03
Partly Cloudy
Actual:
54 | 43 0.00
Average:
66 | 37 0.04
Partly Cloudy
Actual:
66 | 37 0.00
Average:
65 | 37 0.03
Partly Cloudy
Actual:
77 | 38 0.00
Average:
65 | 36 0.04
Rain
Actual:
75 | 37 T
Average:
64 | 36 0.03
 

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

2013 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 77 68 58 58 56 53 90 68 46 30.13 30.07 30.01 10 10 10 14 4 16 0.00  
2 89 70 50 57 54 47 89 59 29 30.05 29.97 29.88 10 10 10 14 5 16 0.00  
3 95 76 57 62 57 52 93 58 23 30.02 29.93 29.89 10 9 2 10 2 13 0.00  
4 83 73 63 60 58 55 90 68 45 30.15 30.09 30.04 10 10 10 16 9 21 T  
5 94 80 66 65 61 55 73 55 36 30.07 29.98 29.87 10 10 10 14 4 18 0.00  
6 94 80 65 67 62 57 87 59 30 29.94 29.90 29.86 10 10 10 17 6 23 0.02 Rain
7 78 70 61 65 59 51 90 67 43 30.18 30.07 29.94 10 8 1 31 12 39 1.23 Rain , Thunderstorm
8 72 66 60 63 59 54 90 79 68 30.04 29.93 29.78 10 10 10 12 4 14 0.00  
9 78 67 55 61 59 52 93 69 45 29.89 29.79 29.73 10 10 7 38 9 49 0.07 Rain , Thunderstorm
10 81 67 53 57 52 48 100 67 33 30.05 29.96 29.89 10 10 10 23 7 29 0.00  
11 79 65 50 55 46 41 89 58 27 30.29 30.17 30.06 10 10 9 14 4 18 0.00  
12 76 58 40 48 44 40 92 62 31 30.38 30.30 30.17 10 10 7 9 2 12 0.00  
13 85 66 47 56 50 44 86 59 32 30.15 29.95 29.78 10 10 10 16 5 22 0.00  
14 77 64 51 60 53 45 93 66 38 30.13 29.86 29.73 10 10 6 26 8 32 0.00 Rain
15 69 56 42 47 43 38 89 61 32 30.34 30.26 30.15 10 10 10 14 7 20 0.00  
16 79 65 50 54 50 43 83 63 42 30.21 29.99 29.80 10 10 10 23 10 30 0.00  
17 87 72 56 61 56 52 86 62 37 29.78 29.68 29.59 10 9 2 25 5 33 0.15 Rain
18 79 68 56 64 58 54 93 72 50 29.75 29.61 29.55 10 9 2 23 5 30 0.15 Rain
19 57 48 39 54 45 38 93 80 66 30.11 29.94 29.74 10 10 6 25 13 32 T Rain
20 68 52 35 46 38 34 100 65 30 30.12 30.05 29.94 10 9 1 7 2 10 0.00  
21 76 57 38 48 42 34 85 59 33 29.93 29.77 29.61 10 10 10 21 8 29 0.00  
22 74 60 45 54 49 42 86 66 46 29.61 29.52 29.47 10 10 10 18 5 22 0.00  
23 70 58 45 53 47 36 93 65 37 29.80 29.62 29.47 10 10 10 17 7 22 T Rain
24 72 56 40 43 38 35 76 52 27 29.94 29.85 29.70 10 10 10 18 6 24 0.00  
25 69 62 54 49 46 41 67 55 43 29.67 29.61 29.56 10 10 9 24 10 36 T Rain , Thunderstorm
26 57 50 43 52 46 38 96 81 66 29.95 29.68 29.58 10 10 2 26 11 33 0.23 Rain
27 54 49 43 42 40 37 89 74 59 29.96 29.90 29.85 10 10 10 10 6 13 0.00  
28 66 52 37 39 36 32 92 61 30 29.84 29.79 29.73 10 10 10 24 8 30 0.00  
29 77 58 38 44 38 33 85 55 24 29.73 29.59 29.48 10 10 10 21 7 30 0.00  
30 75 56 37 44 39 34 85 58 31 29.63 29.54 29.42 10 10 9 36 8 45 T Rain