mn-crop-weather State Minnesota Weekly Crop-Weather Week Ending Date Week Ending August 3, 2008 Issue MN-CW-31-08 Agricultural Summary Sweet corn harvest started as five percent of the crop was harvested during the past week, according to USDA, NASS, Minnesota Field Office. Ripening of small grain crops advanced 17 to 22 percentage points during the week and corn silking advanced 48 percentage points, aided by warm weather. The average temperature for the week was 71.1 degrees, 0.9 degrees above normal. Statewide topsoil moisture supplies as of Friday, August 1st were 8 percent very short, 21 short, 68 adequate, and 3 surplus. Statewide, on average, there were 5.8 days suitable for fieldwork during the week. Field Crops Summary As of Sunday, August 3rd, 82 percent of corn was silking compared to 99 percent last year and 95 percent average. Eleven percent of corn was in milk stage compared to 65 percent last year and 40 percent average. Soybeans were 88 percent blooming compared to 94 percent last year and 93 percent average. Thirty-four percent of soybeans were setting pods compared to 71 percent last year and 58 percent average. Spring wheat was 2 percent harvested compared to 24 percent last year and 16 percent average. Barley was 5 percent harvested compared to 53 percent last year and 32 percent average. Oats were 19 percent harvested compared to 69 percent last year and 47 percent average. As of Friday, August 1st, 72 percent of corn and 74 percent of soybeans were rated in good or excellent condition. Eighty-four percent of spring wheat, 81 percent of barley, and 75 percent of oats were rated in good or excellent condition. Seventy-two percent of dry beans, 69 percent of sunflowers, 62 percent of canola, and 55 percent of pasture were rated in good or excellent condition. Days Suitable for Fieldwork Table Days Suitable for Fieldwork: 5.8 Soil Moisture Table Very Short Short Adequate Surplus Topsoil Moisture (%) 8 21 68 3 Crop Progress Table Crop Progress as of August 3, 2008 Stage of This Last Last 5 Yr Crop Development Week Week Year Avg Percent Corn Silking 82 34 99 95 Milk 11 N/A 65 40 Soybeans Blooming 88 71 94 93 Setting Pods 34 10 71 58 Spring Wheat Ripening 63 44 97 87 Harvested 2 0 24 16 Barley Ripening 70 53 98 92 Harvested 5 1 53 32 Oats Ripening 81 59 98 94 Harvested 19 4 69 47 Potatoes Harvested 1 1 8 3 Sweet Corn Harvested 5 N/A 27 11 Crop Condition Table Crop Condition as of August 1, 2008 in % Very Poor Poor Fair Good Exc Corn 2 6 20 54 18 Soybeans 1 4 21 57 17 Spring Wheat 0 1 15 60 24 Barley 1 2 16 53 28 Oats 1 3 21 55 20 Potatoes 0 2 13 56 29 Sugarbeets 0 2 23 61 14 Dry Beans 0 2 26 60 12 Sunflowers 0 6 25 53 16 Canola 0 8 30 40 22 Pasture 3 11 31 50 5 Weather Information Table Precipitation and Temperature Summary for 7/28/2008 through 8/3/2008 Temperature Precipitation G D D High Low Week Depart Week Depart From Norm Since Depart Ave from Total Past Four Since May from Norm Week Weeks 4/1 14 Norm NW DIST 1 Crookston 85 51 69.4 -.9 .82 .14 -.61 -2.55 1153 -192 Moorhead 85 53 72.2 .8 .28 -.31 -.62 1.34 1312 -94 Warroad 81 54 66.6 -1.4 1.13 .40 .81 1.85 1025 -158 NC DIST 2 Grand Rapids 84 50 68.7 .7 .79 -.15 -1.12 1.60 1142 -60 Intl. Falls 81 45 64.6 -1.9 .04 -.65 .19 2.60 924 -193 Itasca 85 50 67.2 .4 .43 -.42 -1.55 2.89 1028 -84 NE DIST 3 Duluth 81 51 66.6 .5 .58 -.34 1.06 2.61 964 -61 Grand Marais 84 49 63.6 .5 .27 -.44 -1.21 6.85 635 -66 Hibbing 81 41 63.9 -2.4 .20 -.73 -.71 .88 933 -148 WC DIST 4 Alexandria 86 59 72.7 2.2 .17 -.57 .71 -.42 1274 -78 Browns Valley 87 53 72.4 -.3 2.61 1.89 .58 4.02 1347 -142 Canby 88 56 72.8 -.7 1.18 .52 -.07 .01 1461 -99 Fergus Falls 87 47 69.9 -.8 .05 -.68 -.96 .56 1230 -134 Montevideo 88 59 73.0 .9 .26 -.47 -1.30 -1.73 1392 -97 Morris 86 57 72.0 .6 1.67 .83 -1.25 -1.33 1316 -134 CENT DIST 5 Becker 89 53 74.4 4.4 .45 -.51 -1.53 -.41 1400 57 Collegeville 90 56 73.6 1.1 2.15 1.35 .23 2.79 1439 -69 Hutchinson 90 54 73.1 1.1 .58 -.30 -1.90 -2.24 1440 -74 Olivia 87 57 72.1 .9 1.43 .68 .46 .38 1355 -126 St. Cloud 89 50 71.8 1.8 2.52 1.74 .80 1.43 1322 -21 Staples 85 51 69.2 1.3 .03 -.72 -.75 -.41 1117 -92 Willmar 88 59 74.0 2.7 3.05 2.24 .62 -.77 1409 -60 EC DIST 6 Aitkin 87 56 71.8 4.8 .41 -.58 -1.13 .55 1145 -2 Forest Lake 91 57 72.7 1.7 .47 -.57 -1.07 .67 1380 -52 MSP Airport 94 60 77.0 3.7 .13 -.79 -1.48 -3.85 1611 52 St. Paul - UofM 91 57 76.2 2.7 .07 -.91 -1.89 -4.37 1569 -29 SW DIST 7 Lamberton 90 57 73.5 1.6 .59 -.20 .16 -.65 1475 -64 Pipestone 86 55 72.2 .3 .94 .24 -.24 .07 1334 -130 Redwood Falls 88 57 73.5 -.0 .76 -.08 -1.00 -1.14 1481 -133 Worthington 87 57 73.0 2.2 .52 -.25 .84 3.07 1454 12 SC DIST 8 Faribault 91 55 72.8 1.5 .92 -.08 -.02 1.15 1406 -55 Mankato 88 57 72.4 .2 1.28 .32 .86 -1.03 1431 -88 Waseca 88 55 71.6 .4 .98 -.08 2.01 2.08 1418 -70 Winnebago 89 58 74.2 2.2 .80 -.16 -1.00 .23 1524 -13 SE DIST 9 Preston 89 51 72.4 1.9 .81 -.26 -1.03 8.10 1395 -3 Red Wing 92 55 73.2 .9 .14 -.79 -1.11 -.55 1454 -48 Rochester 88 56 72.2 2.0 .80 -.25 -.99 2.58 1460 77 Rosemount 91 56 73.5 2.5 .16 -.91 -1.27 -1.48 1407 -34 Winona 88 58 72.4 -2.2 0 -.95 .58 5.54 1402 -262 m=some data missing Corn growing degree days (GDD) are calculated by subtracting a 50 degree base temperature from the average of the maximum and minimum temperature for the day. The daily maximum is limited to 86 degrees and minimum of 50 degrees. Contact Information USDA, NASS MINNESOTA FIELD OFFICE IN COOPERATION WITH THE NATIONAL WEATHER SERVICE- CHANHASSEN MN, UNIV. OF MINN. EXTENSION SERVICE, DNR STATE CLIMATOLOGY OFFICE, USDA-FSA, AND USDA-NRCS USDA-NASS MINNESOTA FIELD OFFICE Minnesota Department of Agriculture PO Box 7068, St. Paul, MN 55107 Phone: (651) 296-2230 E-mail: nass-mn@nass.usda.gov Homepage: http://www.nass.usda.gov/mn/