Sunshine and a break from substantial precipitation got Iowa farmers back in the fields with 4.4 days suitable for fieldwork during the week ending October 21, according to the USDA, National Agricultural Statistics Service. Activities for the week included harvesting corn and soybeans, baling stalks and planting cover crops.
Topsoil moisture levels statewide rated 65 percent adequate and 35 percent surplus. Topsoil moisture in west central Iowa rated 78 percent adequate and 22 percent surplus.
Subsoil moisture levels across the state rated 2 percent short, 61 percent adequate and 37 percent surplus. Levels in west central Iowa were 73 percent adequate and 27 percent surplus.
Twenty-nine percent of the state’s corn for grain crop has been harvested, three days ahead of last year but four days behind the five-year average. Farmers in southeast Iowa have neared the halfway point of corn for grain harvest while farmers in the northeast have not yet harvested one-fifth of their corn for grain. Moisture content of field corn being harvested was at 19 percent. Corn condition rated 68 percent good to excellent.
Soybean harvest was 37 percent complete, 12 days behind the average. This is the smallest percentage of the soybean crop harvested by Oct. 21 since 1985. Soybean condition rated 65 percent good to excellent.
Pasture conditions rated 55 percent good to excellent. Pastures have responded well to recent precipitation and cool temperatures. Cattle lots are still muddy but improving.
Iowa preliminary weather summary by Dr Justin Glisan, state climatologist, Iowa Department of Agriculture and Land Stewardship – After an extremely wet start to October, abnormally dry conditions returned to Iowa.
Statewide weekly precipitation deficits ranged from 0.20 to 0.70 inches. Northern Iowa observed the wettest conditions; Mason City (Cerro Gordo County) reported the week’s highest total accumulation of 0.61 inches.
Unseasonably cool weather continued with average temperatures 5-10 degrees below average. On Monday, Oct. 15, the remains of a cold front moved out of southeastern Iowa. Burlington (Des Moines County) reported 0.48 inches of rain. Tuesday through early night on Thursday was dry statewide with average highs in the middle to upper 50s in the eastern third of the state and lower to middle 60s across the rest of Iowa. Multiple locations in Iowa’s northwestern quadrant observed highs above 70 degrees on Wednesday, Oct. 17, up to 10 degrees above normal.
A cold front with rain showers moved into Iowa Thursday night and lingered through late morning on Friday. The heaviest rainfall occurred in northern Iowa; St. Ansgar (Mitchell County) recorded 0.50 inches. Much of Iowa’s southern two-thirds received between a trace and a tenth of an inch. Cloud cover moved out of Iowa later in the day Friday into Saturday, Oct. 20.
A second cold front sped through Iowa on Saturday bringing cooler air and windy conditions statewide. Stations in eastern Iowa observed sustained winds between 20 to 30 miles per hour with gusts in the 40-50 mph range in the late afternoon. Sunday was pleasant as high pressure dominated the region. Skies were generally clear with unseasonable coolness.
Red Oak (Montgomery County) and Shenandoah (Page County) reported the week’s high of 73 degrees on Oct. 19, nine degrees warmer than average. Stanley (Buchanan County) observed the week’s low temperature of 18 degrees on the Oct. 21, 17 degrees cooler than average.