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Iowa crop progress and conditions
July 12, 2017

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Hot, dry weather prevailed across Iowa during the week ending July 9, according to the USDA, National Agricultural Statistics Service. Statewide there were 6.3 days suitable for fieldwork. Activities for the week included hauling grain, applying herbicides, cultivating, and haying.

Topsoil moisture levels rated 12 percent very short, 28 percent short, 58 percent adequate and 2 percent surplus. Subsoil moisture levels rated 7 percent very short, 22 percent short, 69 percent adequate and 2 percent surplus. Over one-half of southeast Iowa's topsoil has fallen to the very short moisture level category with almost one-third of the subsoil also in the very short moisture level category.

Seven percent of Iowa's corn crop has reached the silking stage, 6 days behind the five-year average. As corn in the state begins pollination, many reporters mentioned the need for rain in the next few weeks. Seventy-seven percent of the corn crop was rated in good to excellent condition. One-third of the soybean crop was blooming, with five percent of soybeans setting pods, 3 days ahead of average. Soybean condition rated 67 percent good to excellent. Nearly all the oat crop has headed with half turning color or beyond, one week behind last year and 3 days behind average. Oat condition rated 76 percent good to excellent. Scattered reports of oats harvested for grain were received.

The second cutting of alfalfa hay reached 53 percent complete, 4 days behind last year but 5 days ahead of average. Hay condition rated 67 percent good to excellent. Pasture condition continues to decline with 55 percent good to excellent. Feedlots were reported to be in good condition as a result of the dry weather, but livestock were stressed from the heat.

Iowa preliminary weather summary

Provided by Harry J. Hillaker, State Climatologist

Iowa Department of Agriculture and Land Stewardship

Temperatures on the first and last day of the week were slightly below normal with hotter than normal weather in-between. Daytime highs were mostly in the eighties on Sunday, July 2, Friday, July 7 and Saturday, July 8.

Temperatures in the nineties prevailed over most of the state on Thursday, July 6, with a mix of eighties and nineties for the rest of the week. Temperature extremes varied from a Saturday, July 8 morning low of 52 degrees at Cresco to Thursday, July 6 afternoon highs of 97 degrees at Sioux City and Little Sioux.

Temperatures for the week as a whole averaged within a degree of normal over the east to one to three degrees above normal over the west with a statewide average of 1.3 degrees above normal.

Isolated thunderstorms were scattered across the state each afternoon and evening from Sunday, July 2 through Wednesday, July 5, and again over the southeast on Friday, July 7 in the morning.

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