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Note: State and county level data are from the latest (2007) census. The next census will be in 2012.

Wisconsin Crop Weather Report

Issued September 16 for Week Ending September 15, 2019

Usual Planting and Harvesting Dates

The Wisconsin Crop Weather Report is updated weekly by the Wisconsin Agricultural Statistical Service.

Vol. 19, No. 25

Multiple Heavy Rain Events halted Fieldwork

Wisconsin had 2.5 days suitable for fieldwork for the week ending September 15, 2019, according to the USDA’s National Agricultural Statistics Service. Multiple heavy rain events halted fieldwork and left soils saturated across the state. Reporters noted rainfall totals as high as 10 inches for the week in some areas. Daytime highs ranged from the 60s to the 80s with overcast skies and heavy humidity between showers. A small amount of corn and hay were chopped and some manure was spread early in the week before the ground became too wet. Many reporters noted standing water in fields and commented that up to a week of dry weather will be needed for fieldwork to start up again. Corn and soybeans still need heat and sunshine to fully mature.

Topsoil moisture condition was rated 0 percent very short, 2 percent short, 66 percent adequate and 32 percent surplus. Subsoil moisture condition was rated 0 percent very short, 1 percent short, 69 percent adequate and 30 percent surplus.

Wisconsin Crop Conditions
Item V-Poor Poor Fair Good Excellent
Percent
Corn 3 9 24 44 20
Hay (all) 3 7 27 46 17
Pasture & Range 2 7 29 45 17
Potatoes 3 2 15 58 22
Soybeans 2 6 25 44 23
Source: USDA, NASS, Wisconsin Field Office.

Corn silking was reported at 95 percent complete. Seventy-eight percent of corn has reached the dough stage, 19 days behind last year and 17 days behind the 5-year average. Forty-four percent of corn was dented, 17 days behind last year and 14 days behind the average. Two percent of corn was reported mature. Corn condition was 64 percent good to excellent, down 3 percentage points from last week. Corn for silage harvest was 8 percent complete, 11 days behind last year and 8 days behind the average.

Soybeans blooming was reported at 95 percent. Eighty-eight percent of soybeans were setting pods, 28 days behind the average. Leaves were coloring on 33 percent of the state's soybeans, 12 days behind last year and 9 days behind the average. Plants were dropping leaves on 6 percent of soybeans, 12 days behind last year and 9 days behind the average. Soybean condition was 67 percent good to excellent, 3 percentage points below last week.

Winter wheat planting was reported at 10 percent, 9 days behind last year and 3 days behind the average. Three percent of winter wheat had emerged.

Oats were 82 percent harvested, 18 days behind the average.

Potato harvest was reported as 39 percent complete, 1 day behind last year and 3 days behind the average. Potato condition was 80 percent good to excellent, down 2 percentage points from last week.

The third cutting of alfalfa hay was 90 percent complete, 12 days behind last year and 13 days behind the average. The fourth cutting was 38 percent complete, also 12 days behind last year and 13 days behind the average. All hay condition was reported 63 percent in good to excellent condition, 1 percentage point below last week.

Fall tillage was reported as 3 percent complete in Wisconsin.

Pasture condition was rated 62 percent in good to excellent condition, unchanged from last week.

Wisconsin Crop Progress
Crop and percent
of acreage
District Average State Average
NW NC NE WC C EC SW SC SE This
Year
Last
Week
Last
Year
5-year
Average
Alfalfa hay, third cutting 93 84 96 92 75 93 90 95 95 90 88 96 97
Alfalfa hay, fourth cutting 28 8 39 46 33 21 53 51 48 38 30 62 63
Corn silking 90 82 97 91 97 100 96 98 100 95 94 100 100
Corn dough 66 70 43 81 62 71 90 89 90 78 72 95 93
Corn dented 23 48 14 38 44 38 55 53 64 44 31 80 73
Corn harvested for silage 3 5 2 14 17 6 19 5 5 8 5 33 23
Oats harvested 86 46 76 92 97 86 89 94 99 82 78 96 95
Soybeans blooming 89 90 89 95 96 95 98 97 98 95 94 100 100
Soybeans setting pods 80 76 84 86 86 88 96 92 89 88 85 100 100
Soybeans coloring 40 19 13 56 24 24 37 34 17 33 13 75 65
Soybeans dropping leaves 6 8 2 6 7 1 4 10 2 6 1 34 24
Winter wheat harvested 30 12 24 8 20 7 13 10 5 10 8 22 13
n.a. = not available

Selected Quotes from Farm Reporters and County Ag Agents
All comments are used in creating this report, but only a few are published below.

NW—BARRON-T.B.: Frequent rain slowed down field work. Cover crop seeding being delayed by the weather and late silage harvesting. Corn silage harvest still at least a week away from the dominant activity as growers wait for crop to fully mature and begin drying down. Soybean leaves really showed a lot of leaf drop this week, but most fields will benefit from more growing degree days.

NW/WC—CHIPPEWA/EAU CLAIRE-J.C.: Rain slowed any harvest operations for most of the week. Some hay harvest continuing. A few corn silage fields beginning to be opened.

NC—ASHLAND/IRON-K.R.: Heavy rains mid to end of week have stopped field work. Farmers are nervous about harvesting corn silage in wet and muddy conditions.

NC—ONEIDA-M.S.: Wet week. Ponding even in areas where uncommon.

NE—SHAWANO-B.R.: Well, it just keeps getting wetter with 5- 7 inches of rain this past week. No fieldwork done all week. Farmers with oats to do yet are facing the impossible task now. Soybeans have begun to turn color on a few acres. Silage tests this week run on the early planted corn is running about 72 percent. Many would like to start planting wheat but it will now be a couple weeks before anything moves in the fields even without additional rain.

WC—ST CROIX-D.K.: Been too rainy for silage chopping. This coming week is sure to change that as warm dryer weather is predicted.

C/EC—OUTAGAMIE/WAUPACA-D.L.H.: Another very wet and cool week passed. This area received 5 inches of rain with water ponding in low spots. Very little work if any occurred due to the extremely wet soil conditions. Cabbage fields are too wet to allow any harvest activity. Early planted soybeans are beginning to turn color. Warmer weather forecast for the upcoming week will help crop maturity of corn and soybeans.

EC—CALUMET/MANITOWOC-K.P.: Rain, rain and more rain. Some areas of the county received over 6 inches. All field work was halted this week. A lot of standing water again.

EC—SHEBOYGAN-T.S.: Rain almost every day this week has halted any field work progress and left standing water in areas. More rain in the forecast.

SW—VERNON-K.L.: A few people were able to chop corn until the rain set in. It rained most of the week off and on. We did have cooler temps and then warmer by the end of the week.

SC—GREEN-J.T.: A wet week.

SC—ROCK-C.O.: 7 inches of rain this week will delay harvest.

SE—OZAUKEE/WASHINGTON-A.S.: Sunshine has been minimal, temperatures are fairly warm but humid. There have been 3-4 heavy rain events this week that accumulated a lot of rain in a very short period of time.

Wisconsin Weekly Weather, Selected Cities
Ending as of 7:00 am on September 15, 2019

City Temperature Growing degree days
(modified base 50) 1/
Precipitation
Avg max Avg min High max Low min Avg Avg
dep from normal*
Mar 1 to Sep 14 Mar 1 to Sep 14
normal*
Last week Since
Sep 1
Sep 1
dep from normal*
Year
To Date
Year
dep from normal*
Eau Claire 68 53 81 47 61 -1 2218 2289 3.69 4.99 +2.96 35.55 +10.34
Green Bay 70 56 81 52 63 +2 2256 2152 5.04 7.19 +5.55 36.89 +15.07
La Crosse 75 60 87 54 68 +3 2809 2574 3.49 3.66 +1.84 34.12 +8.85
Madison 74 58 83 50 66 +3 2537 2511 3.21 3.56 +1.85 35.06 +9.66
Milwaukee 77 61 89 56 69 +4 2478 NA 4.79 5.05 +3.31 33.98 +8.05


T = Trace. n.a. = not available.
1/Formula used: GDD = (Daily Maximum (86°) + Daily Minimum (50°)) / 2 - 50° where 86° is used if the maximum exceeds 86° and 50° is used if the minimum falls below 50°. Explanation.
*Normal based on 1971-2000 data.
Data from the NCEP/NOAA Climate Prediction Center
For more weather data, please reference the following sites: http://www.noaa.gov/ http://www.aos.wisc.edu/~sco/ http://www.cocorahs.org/ http://www.weather.gov/

This report has been made possible through the cooperative efforts of the U.S. Department of Agriculture, the Wisconsin Department of Agriculture, Trade, and Consumer Protection, and the National Weather Service.

For climate normals and growing season data for a specific Wisconsin county, first go to our Wisconsin County Home Page, then select your county, then click on the Climate Table link in the left margin for that county.

Current Crop Report with Graphics at USDA

Wisconsin Agricultural Statistical Service

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