Authors: Annie Klodd and Natalie Hoidal, University of Minnesota Extension Educators for Fruit and Vegetable Production
Precipitation
Very little precipitation was accumulated between May 6 and May 12, 2020. Much of Minnesota is still below the average precipitation for this time of year, except for the western edge of the state.
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| Images: Maps showing precipitation through Minnesota for the week of May 6-12, 2020; and percent (%) normal precipitation between April 1-May 12, 2020. Source: MN DNR Weekmaps. |
Soil Temperatures
The Minnesota Department of Agriculture publishes daily updated soil temperatures for major field crop growing regions of the state. Data is compiled from MDA managed stations in the Southern half of the state, and NDAWN managed stations in the northern half. As such, the data is presented slightly differently. The following tables provide a snapshot of soil temperatures across the state. For more detailed info, see https://app.gisdata.mn.gov/mda-soiltemp/.
Soil temperatures from MDA stations, data collected to 6’’ depth:
Station
location
|
Nearest
major town
|
Coldest
soil temperature in the last 7 days (approx.)
|
Temperature
as of 7:30am, May 14, 2020
|
Blue Earth
|
Albert Lea (Iowa border)
|
50.5 º F
|
53.1 º F
|
Russel
|
Marshall
|
46 º F
|
52.7 º F
|
Henderson
|
St. Peter / Belle Plaine
|
51 º F
|
54.5 º F
|
Westport
|
Alexandria
|
43.5 º F
|
46.1 º F
|
Soil temperatures from ND-managed stations in MN:
Station
location
|
Nearest
major town
|
Average
bare soil temp on May 13
|
Average
turf soil temp on May 13 (4’’)
|
Sabin
|
Fargo / Moorhead
|
49 º F
|
47 º F
|
Mavie
|
Thief River Falls
|
44 º F
|
38 º F
|
Fox
|
Roseau (Canada border)
|
45 º F
|
43 º F
|
Growing Degree Days
The map below shows modified growing degree days (MGDD) accumulated between April 1 and May 13, 2020, using a base temperatures of 50 degrees F. To read more about how the numbers were calculated for this map, please visit: https://mrcc.illinois.edu/cliwatch/mgdd/gdd_maps.html
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Image: MGDD map for Midwest. Courtesy Midwest Regional Climate Center.
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