mn-crop-weather State Minnesota Weekly Crop-Weather Week Ending Date Week Ending July 20, 2008 Issue MN-CW-29-08 Agricultural Summary Warm temperatures and rainfall across the state aided crop development last week, according to USDA, NASS, Minnesota Field Office. Small grains continued to ripen with the favorable weather, while half of the soybean crop reached the blooming stage and 7 percent of the corn crop reached the silking stage. The average temperature for the week was 69.9 degrees, 0.3 degrees below normal. Statewide topsoil moisture supplies as of Friday, July 18th were 4 percent very short, 24 short, 69 adequate, and 3 surplus. Statewide, on average, there were 5.5 days suitable for fieldwork during the week. Field Crops Summary As of Sunday, July 20th, the average corn height was estimated at 59 inches compared to 78 inches last year and 69 inches for the 5-year average. Seven percent of corn was silking compared to 82 percent last year and 52 percent average. The average height of soybeans was 17 inches compared to 22 inches last year and 20 inches for the 5-year average. Fifty percent of soybeans were blooming compared to 77 percent last year and 68 percent average. Spring wheat was 23 percent ripening compared to 66 percent last year and 45 percent average. Barley was 18 percent ripening compared to 80 percent last year and 54 percent average. Oats were 36 percent ripening compared to 87 percent last year and 67 percent average. One percent of oats were harvested compared to 20 percent last year and 8 percent average. As of Friday, July 18th, 69 percent of corn and soybeans were rated in good or excellent condition. Eighty-four percent of spring wheat, 77 percent of barley, and 80 percent of oats were rated in good or excellent condition. Sixty percent of dry beans, 76 percent of sunflowers, 80 percent of canola, and 56 percent of pasture were rated in good or excellent condition. Days Suitable for Fieldwork Table Days Suitable for Fieldwork: 5.5 Soil Moisture Table Very Short Short Adequate Surplus Topsoil Moisture (%) 4 24 69 3 Crop Progress Table Crop Progress as of July 20, 2008 Stage of This Last Last 5 Yr Crop Development Week Week Year Avg Percent Corn Height (inches) 59 46 78 69 Silking 7 2 82 52 Soybeans Height (inches) 17 13 22 20 Blooming 50 28 77 68 Spring Wheat Heading 90 75 100 98 Ripening 23 4 66 45 Barley Heading 85 72 100 98 Ripening 18 5 80 54 Oats Heading 95 86 100 98 Ripening 36 13 87 67 Harvested 1 N/A 20 8 Crop Condition Table Crop Condition as of July 18, 2008 in % Very Poor Poor Fair Good Exc Corn 2 5 24 56 13 Soybeans 2 4 25 56 13 Spring Wheat 0 1 15 53 31 Barley 0 1 22 55 22 Oats 1 2 17 61 19 Potatoes 1 2 13 49 35 Sugarbeets 1 1 34 50 14 Dry Beans 0 2 38 54 6 Sunflowers 0 1 23 55 21 Canola 0 0 20 53 27 Pasture 1 10 33 50 6 Weather Information Table Precipitation and Temperature Summary for 7/14/2008 through 7/20/2008 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 50 66.0 -3.7 .09 -.60 -1.36 -2.56 880 -185 Moorhead 90 53 69.4 -1.5 .43 -.20 -.07 2.10 1007 -104 Warroad 78 50 64.2 -3.3 .61 -.21 .86 1.55 792 -138 NC DIST 2 Grand Rapids 84 46 66.2 -1.7 .30 -.74 -2.32 1.79 878 -68 Intl. Falls 78 40 62.2 -4.2 .24 -.50 1.28 3.73 711 -169 Itasca 83 48 64.4 -2.0 .47 -.39 -.85 4.13 784 -89 NE DIST 3 Duluth 80 48 63.8 -2.1 2.31 1.37 .52 3.24 741 -52 Grand Marais 80 46 58.0 -3.0 .42 -.34 .37 7.97 445 -66 Hibbing 81 37 62.2 -4.1 1.25 .17 .33 2.07 719 -128 WC DIST 4 Alexandria 85 54 70.4 -.1 1.76 1.06 1.24 .85 966 -100 Browns Valley 92 53 71.1 -1.6 .38 -.40 -1.68 2.63 1030 -148 Canby 92 59 74.2 .7 1.24 .50 -1.72 -.22 1140 -100 Fergus Falls 87 52 69.5 -.8 .25 -.48 -.29 1.97 951 -126 Montevideo 89 52 72.2 -.0 1.28 .53 -1.75 -.69 1081 -104 Morris 91 51 71.4 .0 .49 -.40 -2.40 -1.29 1014 -139 CENT DIST 5 Becker 90 54 71.6 1.4 .47 -.46 -1.59 .74 1074 12 Collegeville 91 58 72.8 .2 .78 .00 -1.23 2.21 1110 -88 Hutchinson 89 56 73.6 1.2 .23 -.59 -1.80 -1.10 1125 -83 Olivia 87 53 71.5 -.1 1.32 .55 -.78 .18 1055 -131 St. Cloud 89 51 70.6 .4 .25 -.45 -1.22 .34 1020 -42 Staples 83 52 67.6 -.2 1.38 .58 -.28 1.05 861 -94 Willmar 93 53 73.6 2.0 .45 -.35 -2.39 -2.24 1085 -87 EC DIST 6 Aitkin 84 52 68.0 1.0 1.32 .27 .17 2.12 860 -43 Forest Lake 91 55 72.1 1.0 1.39 .38 -.34 1.77 1075 -64 MSP Airport 91 61 77.0 3.4 .26 -.63 -1.70 -2.27 1249 9 St. Paul - UofM 92 58 75.9 2.2 .75 -.22 -2.34 -2.70 1224 -51 SW DIST 7 Lamberton 92 52 73.4 1.1 1.14 .34 -1.61 -1.26 1155 -81 Pipestone 89 52 72.1 .2 1.30 .57 -.66 .11 1033 -130 Redwood Falls 92 52 74.2 .4 .91 .07 -1.87 -.93 1160 -134 Worthington 93 53 73.8 2.5 2.52 1.75 .27 3.26 1142 -8 SC DIST 8 Faribault 92 54 73.2 1.5 1.16 .20 -1.22 1.22 1102 -62 Mankato 92 54 73.4 1.0 2.73 1.79 -.70 -.76 1126 -86 Waseca 91 52 72.6 1.1 4.34 3.34 1.68 3.06 1121 -71 Winnebago 93 55 74.3 1.8 1.68 .77 -.78 1.15 1201 -30 SE DIST 9 Preston 90 50 72.0 1.3 .52 -.53 -1.14 9.42 1093 -17 Red Wing 91 57 74.4 2.0 1.45 .49 -1.01 1.17 1140 -53 Rochester 89 56 73.2 2.8 .59 -.46 -1.38 3.85 1161 62 Rosemount 88 56 73.2 1.9 .28 -.77 -1.39 .38 1091 -56 Winona 89 57 73.0 -2.1 1.74 .79 1.48 7.45 1095 -233 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/