Three-Month Temperature Outlook
Issued: May 2017

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

	JJA	JAS	ASO	SON	OND	NDJ	DJF	JFM	FMA	MAM	AMJ	MJJ	JJA
**R	1.0	0.9	1.0	1.0	1.0	1.0	1.0	1.0	0.9	1.0	1.0	0.9	1.0
99%	79.1	77.6	70.4	59.9	49.1	41.1	37.4	40.2	47.8	58.9	68.3	75.1	79.2
98%	78.6	77.0	69.9	59.4	48.4	40.3	36.6	39.5	47.2	58.2	67.7	74.6	78.7
97%	78.3	76.7	69.6	59.1	48.0	39.7	36.0	39.0	46.8	57.8	67.4	74.3	78.4
96%	78.0	76.4	69.3	58.8	47.7	39.3	35.6	38.6	46.6	57.5	67.1	74.1	78.1
95%	77.8	76.2	69.1	58.6	47.4	39.0	35.3	38.3	46.3	57.2	66.9	73.9	77.9
90%	77.1	75.5	68.4	57.9	46.6	37.9	34.2	37.3	45.5	56.4	66.2	73.3	77.2
80%	76.3	74.6	67.6	57.1	45.5	36.5	32.8	36.1	44.6	55.3	65.3	72.5	76.4
70%	75.7	73.9	67.0	56.5	44.8	35.5	31.8	35.2	43.9	54.6	64.6	72.0	75.8
60%	75.2	73.4	66.5	56.0	44.1	34.7	31.0	34.4	43.3	53.9	64.1	71.5	75.3
50%	74.7	72.9	66.0	55.5	43.5	33.9	30.2	33.7	42.7	53.3	63.6	71.1	74.8
40%	74.2	72.4	65.5	55.0	42.9	33.1	29.4	33.0	42.1	52.7	63.1	70.7	74.3
30%	73.7	71.9	65.0	54.5	42.2	32.3	28.6	32.2	41.5	52.0	62.6	70.2	73.8
20%	73.1	71.2	64.4	53.9	41.5	31.3	27.6	31.3	40.8	51.3	61.9	69.7	73.2
10%	72.3	70.3	63.6	53.1	40.4	29.9	26.2	30.1	39.9	50.2	61.0	68.9	72.4
5%	71.6	69.6	62.9	52.4	39.6	28.8	25.1	29.1	39.1	49.4	60.3	68.3	71.7
4%	71.4	69.4	62.7	52.2	39.3	28.5	24.8	28.8	38.8	49.1	60.1	68.1	71.5
3%	71.1	69.1	62.4	51.9	39.0	28.1	24.4	28.4	38.6	48.8	59.8	67.9	71.2
2%	70.8	68.8	62.1	51.6	38.6	27.5	23.8	27.9	38.2	48.4	59.5	67.6	70.9
1%	70.3	68.2	61.6	51.1	37.9	26.7	23.0	27.2	37.6	47.7	58.9	67.1	70.4
*Mean	74.7	72.9	66.0	55.5	43.5	33.9	30.2	33.7	42.7	53.3	63.6	71.1	74.8
StDev	1.9	2.0	1.9	1.9	2.4	3.1	3.1	2.8	2.2	2.4	2.0	1.7	1.9