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Angie Peltier


Angie Peltier
Former Extension Educator, Commercial Agriculture



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Hill and Furrow

Current topics about crop production in Western Illinois, including field crops research at the NWIARDC in Monmouth.
Figure. Bare soil temperatures at a 4 inch depth at the NWIARDC.

October 2012 Weather Summary


Here is the weather summary for the Northwestern Illinois Agricultural Research and Demonstration Center.

OCTOBER 2012 TEMPERATURES

Soil Temperature

Air Temp

4" (Bare)

4" (Sod)

(°F)

-------------------(°F)-----------------

Monthly average high

63

60

57

Monthly average low

39

49

53

Observed high (date)

82 (25,26)

76 (1)

63 (2,5,25,26)

Observed low (date)

25 (27,28,29)

36 (29)

45 (31)

2012 PRECIPITATION (in inches)

Since January 1

Month

Monthly Total

Monthly departure from average

Total accumulation

Total departure

January

0.89

-0.63

0.89

-0.63

February

1.48

-0.06

2.37

-0.69

March

1.63

-0.90

4.00

-1.59

April

1.90

-1.98

5.90

-3.57

May

3.78

-0.99

9.68

-4.56

June

1.90

-2.59

11.58

-7.15

July

0.09

-4.02

11.67

-11.17

August

3.28

-1.46

14.95

-12.63

September

4.60

+0.86

19.55

-11.77

October

3.34

+0.54

22.89

-11.23

Precipitation

Total rainfall in October was more than 0.5 inches above normal, leaving the total precipitation accumulation since January 1st at 22.9 inches (Table). Although precipitation in both September and October was above normal, total precipitation for the year is still more than 11 inches below normal.

Air Temperature

The monthly average high temperature was 1 degree below normal and the monthly average low temperature was 2 degrees above normal (Table).

Soil Temperature

Soil temperatures began dropping in late October (Figure). Fall soil temperatures have major implications for retention of fall-applied N and the Illinois State Water Survey has created a  handy state map showing the average date when the 4 inch soil temperature typically reaches 50 degrees.

 

 



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