Three-Month Temperature Outlook
Issued: May 2018

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%	78.9	77.4	70.2	60.1	49.2	40.9	36.9	40.0	47.8	59.1	68.6	75.2	78.9
98%	78.4	76.8	69.7	59.6	48.5	40.1	36.1	39.3	47.2	58.4	68.0	74.7	78.4
97%	78.1	76.5	69.4	59.3	48.1	39.5	35.5	38.8	46.8	58.0	67.7	74.4	78.1
96%	77.8	76.2	69.1	59.0	47.8	39.1	35.1	38.4	46.6	57.7	67.4	74.2	77.8
95%	77.6	76.0	68.9	58.8	47.5	38.8	34.8	38.1	46.3	57.4	67.2	74.0	77.6
90%	76.9	75.3	68.2	58.1	46.7	37.7	33.7	37.1	45.5	56.6	66.5	73.4	76.9
80%	76.1	74.4	67.4	57.3	45.6	36.3	32.3	35.9	44.6	55.5	65.6	72.6	76.1
70%	75.5	73.7	66.8	56.7	44.9	35.3	31.3	35.0	43.9	54.8	64.9	72.1	75.5
60%	75.0	73.2	66.3	56.2	44.2	34.5	30.5	34.2	43.3	54.1	64.4	71.6	75.0
50%	74.5	72.7	65.8	55.7	43.6	33.7	29.7	33.5	42.7	53.5	63.9	71.2	74.5
40%	74.0	72.2	65.3	55.2	43.0	32.9	28.9	32.8	42.1	52.9	63.4	70.8	74.0
30%	73.5	71.7	64.8	54.7	42.3	32.1	28.1	32.0	41.5	52.2	62.9	70.3	73.5
20%	72.9	71.0	64.2	54.1	41.6	31.1	27.1	31.1	40.8	51.5	62.2	69.8	72.9
10%	72.1	70.1	63.4	53.3	40.5	29.7	25.7	29.9	39.9	50.4	61.3	69.0	72.1
5%	71.4	69.4	62.7	52.6	39.7	28.6	24.6	28.9	39.1	49.6	60.6	68.4	71.4
4%	71.2	69.2	62.5	52.4	39.4	28.3	24.3	28.6	38.8	49.3	60.4	68.2	71.2
3%	70.9	68.9	62.2	52.1	39.1	27.9	23.9	28.2	38.6	49.0	60.1	68.0	70.9
2%	70.6	68.6	61.9	51.8	38.7	27.3	23.3	27.7	38.2	48.6	59.8	67.7	70.6
1%	70.1	68.0	61.4	51.3	38.0	26.5	22.5	27.0	37.6	47.9	59.2	67.2	70.1
*Mean	74.5	72.7	65.8	55.7	43.6	33.7	29.7	33.5	42.7	53.5	63.9	71.2	74.5
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