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July - September 2001 Weather Data
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Swan Lake Research Farm, Stevens County, MN

(Terms are described on the Weather Page)

Soil Temperatures ( oF)

Air Temp.
( oF)
Relative Humidity
(%)
Growing Degree Days 2 Inches 4 Inches
Date Max Min Max Min 50/86 50 40 Precip.
(Inches)
Max Min Max Min
09/30/2001 75.1 46.7 -- -- 2479 2482 3988 .00 71.1 55.7 66.9 57.3
09/29/2001 73.6 49.6 -- -- 2466 2471 3967 .00 68.2 53.0 64.5 55.3
09/28/2001 71.3 45.9 -- -- 2454 2459 3945 .00 68.1 52.0 64.3 54.6
09/27/2001 75.2 43.9 -- -- 2443 2450 3926 .00 69.0 49.9 64.5 52.8
09/26/2001 72.9 39.2 -- -- 2430 2440 3906 .00 66.8 47.1 62.6 50.3
09/25/2001 64.5 39.2 -- -- 2419 2434 3890 .00 63.5 46.4 60.1 49.7
09/24/2001 59.7 33.9 -- -- 2412 2432 3878 .00 61.9 44.7 59.1 48.8
09/23/2001 57.2 36.7 -- -- 2407 2432 3871 .00 61.3 50.7 59.6 54.6
09/22/2001 65.4 48.3 -- -- 2403 2432 3864 .46 62.5 52.5 60.5 54.7
09/21/2001 68.3 47.9 -- -- 2395 2425 3847 .00 64.5 53.1 62.2 55.4
09/20/2001 61.1 51.1 -- -- 2386 2417 3829 .23 60.9 55.5 61.8 57.5
09/19/2001 72.3 50.7 -- -- 2380 2411 3813 .00 68.8 55.3 65.3 56.9
09/18/2001 63.5 50.9 -- -- 2369 2400 3792 .00 62.7 57.2 61.6 58.4
09/17/2001 62.7 55.4 -- -- 2362 2393 3775 .01 61.6 57.1 60.7 57.8
09/16/2001 56.9 54.0 -- -- 2353 2384 3756 .05 58.2 56.5 58.5 57.5
09/15/2001 60.1 49.6 -- -- 2348 2379 3741 .22 59.8 53.9 59.3 55.7
09/14/2001 55.0 49.2 -- -- 2343 2374 3726 .78 62.9 54.7 65.1 57.0
09/13/2001 65.4 43.5 -- -- 2340 2372 3714 .00 72.7 56.4 69.3 59.8
09/12/2001 70.0 48.9 -- -- 2332 2368 3700 .00 75.0 60.1 71.3 62.5
09/11/2001 78.6 52.8 -- -- 2322 2359 3681 .00 76.6 57.5 72.0 60.0
09/10/2001 71.8 46.2 -- -- 2306 2343 3655 .00 73.1 55.2 69.2 58.4
09/09/2001 70.2 51.9 -- -- 2295 2334 3636 .00 68.7 58.0 66.8 60.0
09/08/2001 66.0 49.7 -- -- 2284 2323 3615 .00 64.8 58.2 65.3 61.0
09/07/2001 65.7 54.5 -- -- 2276 2315 3597 1.33 74.1 62.3 75.7 65.3
09/06/2001 83.8 64.1 -- -- 2266 2305 3577 .73 82.2 71.5 78.9 72.4
09/05/2001 90.5 64.1 -- -- 2242 2281 3543 .00 86.2 67.5 81.0 69.1
09/04/2001 82.0 53.7 -- -- 2217 2254 3506 .00 82.3 62.8 77.6 65.7
09/03/2001 78.3 51.9 -- -- 2199 2236 3478 .00 81.8 62.6 77.3 65.6
09/02/2001 85.5 61.5 -- -- 2184 2221 3453 .00 80.8 63.2 76.3 64.9
09/01/2001 74.0 54.8 -- -- 2161 2197 3419 .26 70.9 62.5 71.6 65.2
08/31/2001 72.2 48.6 -- -- 2147 2183 3395 .00 81.4 59.8 76.6 63.3
08/30/2001 75.6 55.0 -- -- 2136 2173 3375 .00 75.1 63.6 73.3 66.6
08/29/2001 82.4 61.6 -- -- 2121 2158 3350 1.77 79.9 69.2 77.8 70.9
08/28/2001 84.3 52.5 -- -- 2099 2136 3318 .00 87.6 66.1 82.3 68.9
08/27/2001 82.3 53.8 -- -- 2081 2118 3290 .00 84.1 65.2 79.8 68.3
08/26/2001 83.5 61.1 -- -- 2063 2100 3262 .14 80.1 69.6 79.3 71.7
08/25/2001 85.9 60.4 -- -- 2041 2078 3230 .00 88.4 70.5 83.4 72.4
08/24/2001 81.5 61.3 -- -- 2018 2055 3197 .00 84.3 71.1 80.8 73.2
08/23/2001 88.1 65.1 -- -- 1997 2034 3166 .00 89.7 71.2 84.4 72.8
08/22/2001 86.7 61.9 -- -- 1972 2007 3129 .00 86.6 71.0 81.6 72.0
08/21/2001 84.1 64.3 -- -- 1949 1983 3095 .00 84.0 69.0 79.5 70.5
08/20/2001 79.3 58.3 -- -- 1925 1959 3061 .00 82.5 66.6 78.7 68.8
08/19/2001 78.6 54.4 -- -- 1906 1940 3032 .00 83.9 63.3 79.0 65.9
08/18/2001 73.0 53.7 -- -- 1890 1924 3006 .00 75.6 63.9 74.1 66.9
08/17/2001 83.2 55.3 -- -- 1877 1911 2983 .19 84.0 66.8 79.9 69.3
08/16/2001 76.4 55.8 -- -- 1858 1892 2954 .02 83.1 67.6 79.3 70.0
08/15/2001 81.3 58.8 -- -- 1842 1876 2928 .00 83.5 70.3 80.2 71.7
08/14/2001 80.0 57.9 -- -- 1822 1856 2898 .00 82.5 68.6 79.0 71.0
08/13/2001 76.4 47.9 -- -- 1803 1837 2869 .00 86.3 65.1 81.6 68.8
08/12/2001 75.3 51.9 -- -- 1790 1825 2847 .00 84.8 68.9 81.1 71.3
08/11/2001 78.7 54.0 -- -- 1776 1811 2823 .00 84.0 68.0 80.2 71.0
08/10/2001 75.4 51.2 -- -- 1760 1795 2797 .00 84.7 68.5 81.5 72.0
08/09/2001 77.0 53.4 -- -- 1747 1782 2774 .00 87.1 75.8 86.0 79.3
08/08/2001 91.0 73.0 -- -- 1732 1767 2749 .00 94.0 81.1 90.0 82.2
08/07/2001 92.3 66.7 -- -- 1703 1735 2707 .00 96.3 78.6 91.4 80.4
08/06/2001 92.3 70.4 -- -- 1677 1705 2667 .00 97.6 80.6 92.2 81.5
08/05/2001 92.8 76.1 -- -- 1649 1674 2626 .00 94.3 79.5 89.8 80.4
08/04/2001 90.8 72.5 -- -- 1618 1640 2582 .00 93.8 78.1 89.0 79.1
08/03/2001 88.6 66.6 -- -- 1589 1608 2540 .00 93.1 74.6 87.9 76.1
08/02/2001 84.2 62.8 -- -- 1563 1580 2502 .00 90.6 72.6 85.7 74.8
08/01/2001 84.1 64.1 -- -- 1540 1557 2469 .00 90.3 76.9 85.7 77.6
07/31/2001 92.3 77.9 -- -- 1516 1533 2435 .00 90.1 77.5 85.2 77.4
07/30/2001 89.2 72.1 -- -- 1485 1498 2390 .03 87.6 74.1 82.9 74.6
07/29/2001 86.1 64.3 -- -- 1456 1467 2349 .00 83.7 68.9 79.6 70.2
07/28/2001 78.5 64.3 -- -- 1431 1442 2314 .00 79.9 68.0 76.5 68.8
07/27/2001 68.9 64.6 -- -- 1410 1421 2283 1.76 75.9 69.1 77.3 70.0
07/26/2001 77.9 58.3 -- -- 1393 1404 2256 .00 84.1 69.7 80.5 71.8
07/25/2001 78.6 56.1 -- -- 1375 1386 2228 .00 86.9 67.6 81.9 70.2
07/24/2001 73.4 60.2 -- -- 1358 1369 2201 .00 80.7 73.2 82.1 74.6
07/23/2001 83.9 67.9 -- -- 1341 1352 2174 .13 90.1 77.0 85.8 77.9
07/22/2001 88.1 72.6 -- -- 1315 1326 2138 .00 92.0 75.2 86.5 75.8
07/21/2001 90.2 67.5 -- -- 1286 1296 2098 .00 85.5 72.4 81.4 73.4
07/20/2001 84.6 67.2 -- -- 1260 1267 2059 .36 80.3 72.8 79.6 74.0
07/19/2001 88.3 64.6 -- -- 1234 1241 2023 .40 85.5 73.7 82.1 75.4
07/18/2001 90.0 66.8 -- -- 1209 1215 1987 .00 86.6 73.1 82.9 74.4
07/17/2001 90.2 69.3 -- -- 1183 1187 1949 .01 87.5 73.1 83.2 73.6
07/16/2001 81.8 66.1 -- -- 1156 1157 1909 .87 79.4 72.7 80.1 74.0
07/15/2001 86.6 69.5 -- -- 1132 1133 1875 .00 87.2 75.6 83.0 76.2
07/14/2001 87.1 65.4 -- -- 1105 1105 1837 .00 89.0 74.0 84.2 75.1
07/13/2001 86.5 61.2 -- -- 1080 1079 1801 .00 89.5 70.9 84.2 72.6
07/12/2001 84.8 63.2 -- -- 1057 1055 1767 .00 86.2 69.9 81.7 71.3
07/11/2001 80.2 57.7 -- -- 1033 1031 1733 .00 82.8 69.5 79.1 71.5
07/10/2001 80.4 60.2 -- -- 1014 1012 1704 .00 85.7 72.4 81.8 73.9
07/09/2001 89.0 63.3 -- -- 994 992 1674 .00 87.9 73.6 83.4 74.8
07/08/2001 86.9 62.5 -- -- 970 966 1638 .00 89.5 73.0 84.7 73.8
07/07/2001 88.7 64.5 -- -- 946 941 1603 .00 87.2 71.0 82.1 71.4
07/06/2001 89.2 62.8 -- -- 921 914 1566 .00 82.4 67.9 78.2 68.8
07/05/2001 77.2 50.2 -- -- 897 888 1530 .00 84.7 64.6 79.4 66.9
07/04/2001 76.1 55.4 -- -- 883 874 1506 .00 81.8 67.6 77.8 68.9
07/03/2001 84.0 58.6 -- -- 904 895 1537 .00 83.8 75.0 78.5 72.9
07/02/2001 70.4 54.2 -- -- 849 858 1480 .00 72.0 64.1 72.4 65.5
07/01/2001 67.6 47.5 -- -- 837 846 1458 .00 80.1 62.7 75.8 65.6

   
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