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October - December 2009 Weather Data
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Swan Lake Research Farm, Stevens County, MN

(Terms are described on the Weather Page)

Soil Temperatures

Air Temp.
( oF)

Relative Humidity(%)

*Solar Radiation
(kwh/m 2)

Wind Speed
(m/s)

Growing
Degree
Days

Precip.(Inches)

2 Inches
( oF)

4 Inches
( oF)

Date Max Min Max Min Mean Mean 50/86 50 40 Total Max Min Max Min
12/31/2009 5.4 -9.1 90 80 .086 5.06 -- -- -- .00 28.4 27.5 29.3 28.4
12/30/2009 12.5 -1.1 94 83 .068 3.91 -- -- -- .00 28.6 28.3 29.4 29.0
12/29/2009 9.0 -10.0 89 72 .092 3.76 -- -- -- .00 29.5 28.5 30.2 29.2
12/28/2009 18.1 -7.3 95 82 .088 6.51 -- -- -- .00 30.5 29.5 30.8 30.1
12/27/2009 24.1 18.1 100 83 .048 6.59 -- -- -- .00 30.5 30.3 30.8 30.5
12/26/2009 32.7 19.6 100 89 .039 5.91 -- -- -- .00 30.4 29.8 30.7 30.0
12/25/2009 34.6 11.9 100 91 .039 6.76 -- -- -- .04 29.9 29.0 30.2 29.4
12/24/2009 27.5 10.6 100 80 .040 5.31 -- -- -- .00 29.1 28.4 29.6 29.0
12/23/2009 25.5 23.8 100 82 .017 5.42 -- -- -- .00 28.6 28.0 29.1 28.6
12/22/2009 24.3 17.7 88 77 .043 5.06 -- -- -- .00 28.2 27.4 28.8 28.2
12/21/2009 24.3 20.0 100 82 .038 2.49 -- -- -- .00 28.3 27.1 28.7 27.7
12/20/2009 25.3 15.3 100 69 .051 2.92 -- -- -- .02 27.1 25.1 27.8 26.3
12/19/2009 20.2 15.1 97 89 .037 2.53 -- -- -- .00 27.1 24.6 27.5 25.8
12/18/2009 22.8 6.1 100 79 .048 2.09 -- -- -- .00 26.1 20.3 26.3 22.5
12/17/2009 20.4 6.6 95 78 .059 2.38 -- -- -- .00 24.7 20.1 25.2 22.2
12/16/2009 11.0 -.6 84 68 .079 3.04 -- -- -- .00 21.8 16.4 22.8 19.4
12/15/2009 2.4 -10.3 88 59 .094 3.16 -- -- -- .00 17.8 15.1 21.2 18.8
12/14/2009 3.0 -9.5 88 70 .059 4.50 -- -- -- .00 22.7 17.7 24.5 21.2
12/13/2009 4.0 -5.3 88 56 .042 4.36 -- -- -- .00 22.0 18.1 25.3 21.7
12/12/2009 24.2 1.8 94 74 .073 2.71 -- -- -- .00 26.4 20.6 27.3 23.6
12/11/2009 15.2 -7.7 88 64 .096 3.31 -- -- -- .00 23.8 17.0 25.6 21.5
12/10/2009 4.9 -12.0 86 72 .081 3.12 -- -- -- .00 22.8 18.6 26.1 23.4
12/09/2009 5.0 -4.6 87 76 .049 8.23 -- -- -- .00 27.4 21.4 30.0 26.0
12/08/2009 11.8 -.3 91 82 .027 4.50 -- -- -- .01 28.6 27.2 31.3 29.8
12/07/2009 16.9 1.0 95 79 .057 2.92 -- -- -- .00 30.8 28.2 32.0 31.0
12/06/2009 15.5 -1.0 94 76 .042 2.98 -- -- -- .00 30.6 28.0 32.6 31.4
12/05/2009 21.8 -.1 96 77 .044 1.88 -- -- -- .00 31.4 29.7 33.1 32.1
12/04/2009 15.6 6.8 95 79 .052 2.89 -- -- -- .00 32.3 31.0 33.7 32.5
12/03/2009 24.5 10.8 96 78 .045 5.11 -- -- -- .00 33.1 32.1 34.3 33.2
12/02/2009 31.0 24.1 100 83 .013 4.57 -- -- -- .00 33.9 33.0 35.0 33.6
12/01/2009 41.1 28.5 100 71 .052 5.34 -- -- -- .00 35.2 33.0 35.4 34.0
11/30/2009 45.5 24.7 100 63 .083 2.87 -- -- -- .00 35.4 32.8 35.6 34.0
11/29/2009 37.2 26.4 100 72 .050 3.56 -- -- -- .00 37.0 33.9 36.8 34.8
11/28/2009 37.4 29.8 100 83 .047 3.74 -- -- -- .00 36.6 33.4 36.5 34.4
11/27/2009 40.5 24.8 100 71 .070 2.87 -- -- -- .00 33.8 32.8 35.3 34.1
11/26/2009 31.6 22.5 94 72 .081 3.80 -- -- -- .00 34.9 33.5 36.5 34.9
11/25/2009 33.6 28.4 100 77 .022 6.09 -- -- -- .01 36.8 34.7 38.9 36.2
11/24/2009 44.5 31.0 100 75 .046 3.19 -- -- -- .00 42.6 36.7 42.6 38.7
11/23/2009 47.6 37.3 100 92 .011 2.51 -- -- -- .04 44.2 40.1 43.5 40.2
11/22/2009 47.9 36.5 100 58 .052 2.42 -- -- -- .00 42.9 37.3 41.8 38.3
11/21/2009 53.7 30.4 95 45 .090 4.97 -- -- -- .00 40.5 33.7 39.7 35.4
11/20/2009 51.5 24.7 100 39 .099 1.67 -- -- -- .00 43.0 34.2 41.1 35.8
11/19/2009 49.5 32.1 100 73 .050 1.35 -- -- -- .00 42.3 34.5 40.7 35.7
11/18/2009 48.7 26.5 94 46 .100 1.89 -- -- -- .00 40.0 33.2 38.8 34.9
11/17/2009 48.2 25.8 100 39 .107 1.65 -- -- -- .00 40.4 33.4 39.2 35.3
11/16/2009 49.0 19.8 100 45 .100 .58 -- -- -- .00 42.6 33.7 40.9 35.6
11/15/2009 46.2 24.2 100 55 .092 1.63 -- -- -- .00 41.7 34.4 41.0 36.6
11/14/2009 43.8 29.1 100 65 .056 3.16 -- -- -- .05 44.9 37.0 44.7 39.7
11/13/2009 52.1 40.0 100 82 .014 3.46 -- -- -- .09 47.5 43.0 47.2 44.3
11/12/2009 54.0 45.8 91 65 .010 5.10 -- -- -- .00 47.8 45.5 47.2 45.4
11/11/2009 54.4 45.9 75 55 .052 4.97 -- -- -- .00 48.3 40.8 46.3 41.3
11/10/2009 59.5 31.2 85 26 .112 3.58 -- -- -- .01 45.6 34.4 43.7 36.7
11/09/2009 59.0 27.5 100 28 .111 1.06 -- -- -- .00 47.3 34.8 44.7 37.2
11/08/2009 53.9 32.8 100 41 .033 2.55 -- -- -- .00 44.9 38.4 44.0 40.0
11/07/2009 59.9 36.1 97 25 .110 3.21 -- -- -- .00 48.3 37.9 46.0 39.5
11/06/2009 60.1 39.9 100 0 .097 3.15 -- -- -- .00 49.1 36.8 46.1 38.0
11/05/2009 52.2 26.9 100 52 .122 3.23 -- -- -- .00 44.3 33.5 42.0 35.2
11/04/2009 43.2 32.5 100 62 .063 3.02 -- -- -- .00 41.4 34.4 40.2 35.8
11/03/2009 41.1 25.2 100 63 .035 3.52 -- -- -- .04 36.3 33.3 38.1 35.2
11/02/2009 44.2 26.6 100 39 .127 3.65 -- -- -- .00 43.3 35.0 42.2 37.4
11/01/2009 54.1 35.2 96 64 .095 3.68 -- -- -- .00 49.6 35.1 46.2 37.0
10/31/2009 42.9 32.8 88 52 .097 3.68 -- -- -- .00 43.1 35.4 41.7 37.0
10/30/2009 49.0 32.0 100 83 .020 5.99 -- -- -- .65 48.2 35.9 48.1 38.0
10/29/2009 50.5 48.5 100 97 .015 2.91 -- -- -- .37 49.1 45.4 48.3 44.7
10/28/2009 48.6 39.9 100 76 .033 3.79 -- -- -- .19 45.7 39.9 45.3 41.1
10/27/2009 57.3 36.0 84 35 .098 6.26 -- -- -- .00 46.5 36.3 44.9 38.4
10/26/2009 49.2 32.3 100 61 .086 1.98 -- -- -- .00 49.3 38.2 46.5 39.8
10/25/2009 42.6 35.7 100 91 .025 3.54 -- -- -- .00 43.6 40.1 43.6 41.5
10/24/2009 50.9 29.9 100 66 .060 1.28 -- -- -- .04 45.5 34.6 43.8 36.5
10/23/2009 46.2 29.7 100 49 .094 2.64 -- -- -- .00 44.7 35.0 43.1 37.1
10/22/2009 42.5 30.8 100 70 .085 3.15 -- -- -- .00 45.1 35.9 43.7 38.4
10/21/2009 42.4 37.0 100 90 .030 3.87 -- -- -- .45 44.6 40.0 45.7 41.7
10/20/2009 49.2 42.4 100 78 .038 3.55 -- -- -- .27 48.0 43.4 47.1 44.2
10/19/2009 53.5 41.5 99 61 .099 3.10 -- -- -- .00 52.1 42.1 49.5 43.1
10/18/2009 62.6 34.5 96 52 .129 3.85 -- -- -- .00 51.3 35.3 48.1 37.3
10/17/2009 44.1 29.0 100 68 .074 2.62 -- -- -- .01 43.9 35.4 43.0 37.4
10/16/2009 40.3 32.9 100 88 .044 1.19 -- -- -- .04 44.2 38.0 43.4 38.8
10/15/2009 39.2 32.6 100 89 .041 2.34 2179 2058 3570 .23 40.4 34.9 40.3 36.5
10/14/2009 41.8 31.4 100 67 .058 3.42 2179 2058 3570 .34 41.6 35.1 41.3 36.9
10/13/2009 39.2 21.4 100 50 .100 1.51 2179 2058 3570 .01 40.1 33.2 40.0 35.5
10/12/2009 36.5 24.8 100 62 .061 1.58 2179 2058 3570 .06 41.8 35.3 41.5 37.5
10/11/2009 40.4 29.2 82 36 .098 1.86 2179 2058 3570 .00 43.2 34.2 42.1 36.4
10/10/2009 32.4 19.6 93 60 .073 3.86 2179 2058 3570 .00 38.4 34.4 42.1 37.1
10/09/2009 49.1 24.9 100 31 .171 2.87 2179 2058 3570 .00 50.0 34.9 47.5 38.1
10/08/2009 44.5 28.2 93 51 .105 3.69 2179 2058 3570 .00 47.0 37.8 46.9 41.6
10/07/2009 59.8 34.1 100 50 .106 3.57 2179 2058 3570 .00 52.3 38.2 49.8 41.5
10/06/2009 45.6 36.1 100 76 .046 3.58 2174 2058 3563 .43 47.8 41.2 48.4 44.7
10/05/2009 47.1 43.3 100 76 .027 1.62 2174 2058 3562 .40 49.9 46.6 50.1 48.3
10/04/2009 50.2 44.7 100 64 .064 2.77 2174 2058 3557 .00 51.7 47.1 51.7 48.6
10/03/2009 51.7 42.4 100 67 .087 2.64 2174 2058 3550 .03 54.2 45.6 52.7 47.2
10/02/2009 46.8 44.6 100 88 .022 4.12 2173 2058 3543 .09 49.5 46.9 50.8 48.7
10/01/2009 52.6 46.2 100 62 .008 5.32 2173 2058 3537 1.43 54.0 49.0 55.6 50.6

*The Solar Radiation sensor is often covered with snow during the winter months so the value may be incorrect during those times.


   
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