IEM :: Observation History

04 September 2026 Observation History, [DCM] Chester, timezone: America/New_York

Time	Wind (mph)	Vis. (mi.)	Sky Cond. (100s ft)	Temperature (ºF)					Relative Humidity	Pressure		Precipitation (in.)
				Air	Dwpt	Feels Like	6 hour			altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
				Air	Dwpt	Feels Like	Max.	Min.		altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
12:15 AM	Calm	10	CLR	81	70	84			70	30.07		0.00	M	M
KDCM 040415Z AUTO 00000KT 10SM CLR 27/21 A3007 RMK AO2
12:35 AM	S 3	10	CLR	79	70	79			74	30.07		0.00	M	M
KDCM 040435Z AUTO 17003KT 10SM CLR 26/21 A3007 RMK AO2
12:55 AM	Calm	10	CLR	79	70	79			74	30.06		0.00	M	M
KDCM 040455Z AUTO 00000KT 10SM CLR 26/21 A3006 RMK AO2
1:15 AM	Calm	10	CLR	77	70	77			78	30.06		0.00	M	M
KDCM 040515Z AUTO 00000KT 10SM CLR 25/21 A3006 RMK AO2 LTG DSNT SE
1:30 AM	Calm	10	CLR	77	72	77			83	30.06		0.00	M	M
KDCM 040530Z AUTO 00000KT 10SM CLR 25/22 A3006 RMK AO2
1:55 AM	Calm	10	CLR	77	70	77			78	30.06		0.00	M	M
KDCM 040555Z AUTO 00000KT 10SM CLR 25/21 A3006 RMK AO2
2:15 AM	Calm	10	CLR	75	70	75			83	30.04		0.00	M	M
KDCM 040615Z AUTO 00000KT 10SM CLR 24/21 A3004 RMK AO2
2:35 AM	Calm	10	CLR	75	70	75			83	30.04		0.00	M	M
KDCM 040635Z AUTO 00000KT 10SM CLR 24/21 A3004 RMK AO2
2:55 AM	Calm	10	CLR	73	73	73			100	30.04		0.00	M	M
KDCM 040655Z AUTO 00000KT 10SM CLR 23/23 A3004 RMK AO2
3:15 AM	Calm	10	CLR	73	73	73			100	30.03		0.00	M	M
KDCM 040715Z AUTO 00000KT 10SM CLR 23/23 A3003 RMK AO2
3:35 AM	Calm	10	CLR	73	73	73			100	30.03		0.00	M	M
KDCM 040735Z AUTO 00000KT 10SM CLR 23/23 A3003 RMK AO2
3:55 AM	Calm	10	CLR	73	73	73			100	30.03		0.00	M	M
KDCM 040755Z AUTO 00000KT 10SM CLR 23/23 A3003 RMK AO2
4:15 AM	Calm	10	CLR	73	73	73			100	30.03		0.00	M	M
KDCM 040815Z AUTO 00000KT 10SM CLR 23/23 A3003 RMK AO2 LTG DSNT SE
4:35 AM	Calm	10	CLR	72	72	72			100	30.04		0.00	M	M
KDCM 040835Z AUTO 00000KT 10SM CLR 22/22 A3004 RMK AO2
4:55 AM	Calm	10	CLR	72	72	72			100	30.04		0.00	M	M
KDCM 040855Z AUTO 00000KT 10SM CLR 22/22 A3004 RMK AO2
5:15 AM	Calm	10	CLR	72	72	72			100	30.04		0.00	M	M
KDCM 040915Z AUTO 00000KT 10SM CLR 22/22 A3004 RMK AO2
5:35 AM	Calm	10	CLR	72	72	72			100	30.05		0.00	M	M
KDCM 040935Z AUTO 00000KT 10SM CLR 22/22 A3005 RMK AO2 LTG DSNT SE AND SW
5:55 AM	Calm	10	CLR	72	72	72			100	30.06		0.00	M	M
KDCM 040955Z AUTO 00000KT 10SM CLR 22/22 A3006 RMK AO2 LTG DSNT SE AND NW
6:15 AM	Calm	10	CLR	72	72	72			100	30.06		0.00	M	M
KDCM 041015Z AUTO 00000KT 10SM CLR 22/22 A3006 RMK AO2 LTG DSNT SE
6:35 AM	Calm	10	CLR	72	72	72			100	30.06		0.00	M	M
KDCM 041035Z AUTO 00000KT 10SM CLR 22/22 A3006 RMK AO2 LTG DSNT SE
6:55 AM	Calm	10	CLR	72	72	72			100	30.06		0.00	M	M
KDCM 041055Z AUTO 00000KT 10SM CLR 22/22 A3006 RMK AO2 LTG DSNT SE
7:15 AM	Calm	10	CLR	72	72	72			100	30.06		0.00	M	M
KDCM 041115Z AUTO 00000KT 10SM CLR 22/22 A3006 RMK AO2 LTG DSNT SE
7:35 AM	Calm	10	CLR	73	73	73			100	30.06		0.00	M	M
KDCM 041135Z AUTO 00000KT 10SM CLR 23/23 A3006 RMK AO2
7:55 AM	Calm	10	CLR	73	73	73			100	30.07		0.00	M	M
KDCM 041155Z AUTO 00000KT 10SM CLR 23/23 A3007 RMK AO2 LTG DSNT SE AND NW
8:15 AM	Calm	10	CLR	73	73	73			100	30.08		0.00	M	M
KDCM 041215Z AUTO 00000KT 10SM CLR 23/23 A3008 RMK AO2
8:35 AM	Calm	10	CLR	77	73	77			89	30.08		0.00	M	M
KDCM 041235Z AUTO 00000KT 10SM CLR 25/23 A3008 RMK AO2

API: The IEM API webservice that provided data to this page. For more details, see documentation.

Data Notes

For recent years, this page also optionally shows observations from the MADIS High Frequency METAR dataset. This dataset had a problem with temperatures detailed here.