Three-Month Temperature Outlook
Issued: September 2017

DECATUR, IL
MACON County, Coop ID: 112193 Elevation: 620 ft. Latitude: 39° 49' N Longitude: 88° 57' W

	OND	NDJ	DJF	JFM	FMA	MAM	AMJ	MJJ	JJA	JAS	ASO	SON	OND
**R	1.0	1.0	1.0	1.0	0.9	1.0	1.0	0.9	1.0	0.9	1.0	1.0	1.0
99%	49.1	40.9	36.9	40.0	47.7	58.9	68.2	74.9	78.9	77.4	70.1	60.1	49.2
98%	48.4	40.1	36.1	39.3	47.1	58.2	67.6	74.4	78.4	76.8	69.6	59.6	48.5
97%	48.0	39.5	35.5	38.8	46.7	57.8	67.3	74.1	78.1	76.5	69.3	59.3	48.1
96%	47.7	39.1	35.1	38.4	46.5	57.5	67.0	73.9	77.8	76.2	69.0	59.0	47.8
95%	47.4	38.8	34.8	38.1	46.2	57.2	66.8	73.7	77.6	76.0	68.8	58.8	47.5
90%	46.6	37.7	33.7	37.1	45.4	56.4	66.1	73.1	76.9	75.3	68.1	58.1	46.7
80%	45.5	36.3	32.3	35.9	44.5	55.3	65.2	72.3	76.1	74.4	67.3	57.3	45.6
70%	44.8	35.3	31.3	35.0	43.8	54.6	64.5	71.8	75.5	73.7	66.7	56.7	44.9
60%	44.1	34.5	30.5	34.2	43.2	53.9	64.0	71.3	75.0	73.2	66.2	56.2	44.2
50%	43.5	33.7	29.7	33.5	42.6	53.3	63.5	70.9	74.5	72.7	65.7	55.7	43.6
40%	42.9	32.9	28.9	32.8	42.0	52.7	63.0	70.5	74.0	72.2	65.2	55.2	43.0
30%	42.2	32.1	28.1	32.0	41.4	52.0	62.5	70.0	73.5	71.7	64.7	54.7	42.3
20%	41.5	31.1	27.1	31.1	40.7	51.3	61.8	69.5	72.9	71.0	64.1	54.1	41.6
10%	40.4	29.7	25.7	29.9	39.8	50.2	60.9	68.7	72.1	70.1	63.3	53.3	40.5
5%	39.6	28.6	24.6	28.9	39.0	49.4	60.2	68.1	71.4	69.4	62.6	52.6	39.7
4%	39.3	28.3	24.3	28.6	38.7	49.1	60.0	67.9	71.2	69.2	62.4	52.4	39.4
3%	39.0	27.9	23.9	28.2	38.5	48.8	59.7	67.7	70.9	68.9	62.1	52.1	39.1
2%	38.6	27.3	23.3	27.7	38.1	48.4	59.4	67.4	70.6	68.6	61.8	51.8	38.7
1%	37.9	26.5	22.5	27.0	37.5	47.7	58.8	66.9	70.1	68.0	61.3	51.3	38.0
*Mean	43.5	33.7	29.7	33.5	42.6	53.3	63.5	70.9	74.5	72.7	65.7	55.7	43.6
StDev	2.4	3.1	3.1	2.8	2.2	2.4	2.0	1.7	1.9	2.0	1.9	1.9	2.4