Weather History for Yankton, SD

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 80 °F 60 °F
Mean Temperature 82 °F 64 °F 46 °F
Min Temperature 69 °F 50 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 18 4 0 109
Cooling Degree Days (base 65) 18 4 0 102
Growing Degree Days (base 50) 32 15 0 409
Dew Point  
Dew Point 66 °F 41 °F 19 °F
Precipitation  
Precipitation 0.12 in 0.01 in 0.00 in 0.28 in
Snowdepth - - - -
Wind  
Wind 32 mph 9 mph 0 mph
Gust Wind 45 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.02 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 04, 2012 Rise Set
Actual Time 6:57 AM CDT 7:58 PM CDT
Civil Twilight 6:28 AM CDT 8:26 PM CDT
Nautical Twilight 5:54 AM CDT 9:01 PM CDT
Astronomical Twilight 5:18 AM CDT 9:37 PM CDT
Moon 9:43 PM CDT (9/4) 11:13 AM CDT (9/4)
Length of Visible Light 13h 58m
Length of Day
13h 00m
Waning Gibbous, 83% of the Moon is Illuminated
Sep 4
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 0.28 Average Month Total: 1.90
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
93 | 60 0.00
Average:
83 | 57 0.01
Clear
Actual:
96 | 66 0.00
Average:
81 | 57 0.11
Clear
Actual:
89 | 64 0.00
Average:
83 | 56 0.08
Thunderstorm
Actual:
98 | 62 0.12
Average:
83 | 55 0.09
Clear
Actual:
78 | 59 0.12
Average:
82 | 55 0.09
Clear
Actual:
89 | 48 0.00
Average:
83 | 55 0.02
Scattered Clouds
Actual:
71 | 53 0.00
Average:
85 | 55 0.10
Clear
Actual:
86 | 44 0.00
Average:
81 | 52 0.06
Clear
Actual:
75 | 42 0.00
Average:
80 | 52 0.01
Clear
Actual:
91 | 57 0.00
Average:
79 | 52 0.07
Clear
Actual:
96 | 69 0.00
Average:
81 | 52 0.04
Partly Cloudy
Actual:
69 | 53 0.02
Average:
79 | 52 0.13
Scattered Clouds
Actual:
75 | 44 0.00
Average:
76 | 52 0.11
Clear
Actual:
80 | 53 0.00
Average:
73 | 49 0.08
Clear
Actual:
84 | 55 0.00
Average:
72 | 49 0.08
Clear
Actual:
86 | 55 0.00
Average:
73 | 48 0.05
Scattered Clouds
Actual:
66 | 44 0.02
Average:
73 | 49 0.13
Clear
Actual:
73 | 35 0.00
Average:
76 | 49 0.08
Clear
Actual:
77 | 53 0.00
Average:
76 | 50 0.14
Scattered Clouds
Actual:
69 | 48 0.00
Average:
73 | 48 0.05
Clear
Actual:
73 | 53 0.00
Average:
71 | 45 0.05
Clear
Actual:
60 | 33 0.00
Average:
71 | 45 0.08
Clear
Actual:
68 | 30 0.00
Average:
68 | 41 0.05
Clear
Actual:
78 | 46 0.00
Average:
70 | 42 0.03
Clear
Actual:
82 | 44 0.00
Average:
72 | 44 0.05
Clear
Actual:
73 | 44 0.00
Average:
73 | 44 0.08
Clear
Actual:
75 | 37 0.00
Average:
75 | 43 0.01
Clear
Actual:
77 | 39 0.00
Average:
72 | 44 0.02
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 93 76 60 64 58 52 77 54 34 30.06 30.00 29.91 10 10 10 14 7 21 0.00  
2 96 81 66 64 62 55 88 56 28 29.95 29.89 29.79 10 10 7 20 11 24 0.00  
3 89 76 64 64 60 55 77 58 31 29.93 29.89 29.82 10 10 10 16 8 22 0.00  
4 98 80 62 66 59 46 88 56 21 29.90 29.81 29.67 10 10 5 28 8 45 0.12 Thunderstorm
5 78 68 59 57 49 37 88 55 23 29.97 29.91 29.75 10 10 10 18 9 24 0.12  
6 89 68 48 52 47 41 93 49 22 29.99 29.88 29.73 10 10 1 23 6 32 0.00  
7 71 62 53 54 46 39 82 52 31 30.15 30.04 29.82 10 10 9 23 15 31 0.00  
8 86 65 44 46 39 28 82 45 18 30.16 30.08 29.95 10 10 10 26 10 33 0.00  
9 75 58 42 45 39 36 76 49 25 30.27 30.17 30.07 10 10 10 12 7 16 0.00  
10 91 74 57 48 45 43 63 38 18 30.06 29.89 29.75 10 10 10 29 15 39 0.00  
11 96 82 69 48 45 41 40 28 18 29.89 29.76 29.72 10 10 10 24 17 30 0.00  
12 69 61 53 54 44 34 100 63 27 30.30 30.17 29.90 10 10 9 22 13 30 0.02  
13 75 60 44 54 43 30 100 61 19 30.40 30.33 30.28 10 8 0 16 5 22 0.00  
14 80 66 53 43 39 36 63 38 20 30.30 30.25 30.19 10 10 10 18 10 25 0.00  
15 84 70 55 46 39 36 63 35 19 30.19 30.10 30.00 10 10 10 22 11 30 0.00  
16 86 70 55 57 52 43 100 57 27 30.00 29.93 29.84 10 10 7 16 9 26 0.00  
17 66 55 44 46 39 34 77 54 30 30.10 30.05 29.95 10 10 10 20 13 28 0.02  
18 73 54 35 43 35 28 93 53 20 30.10 30.00 29.82 10 10 9 12 6 - 0.00  
19 77 65 53 45 36 25 67 36 18 30.01 29.86 29.74 10 10 10 32 13 39 0.00  
20 69 58 48 32 27 23 41 29 20 30.06 29.99 29.89 10 10 9 12 7 16 0.00  
21 73 63 53 37 33 28 51 33 19 30.01 29.89 29.80 10 10 10 26 13 36 0.00  
22 60 46 33 32 25 19 65 43 20 30.33 30.24 30.02 10 10 10 15 10 24 0.00  
23 68 49 30 30 26 19 75 42 21 30.36 30.26 30.15 10 10 10 12 4 - 0.00  
24 78 62 46 46 37 28 63 39 24 30.14 29.95 29.82 10 10 10 14 7 18 0.00  
25 82 63 44 46 40 34 93 51 17 29.95 29.87 29.83 10 10 5 13 2 - 0.00  
26 73 58 44 36 32 21 62 37 23 30.18 30.09 29.96 10 10 10 12 6 16 0.00  
27 75 56 37 34 28 21 65 35 18 30.23 30.18 30.12 10 10 9 10 3 - 0.00  
28 77 58 39 36 27 19 71 39 12 30.21 30.17 30.11 10 10 9 10 2 - 0.00  
29 - - - - - - - - - - - - - - - - - - -  
30 - - - - - - - - - - - - - - - - - - -