IEM :: Observation History

20 July 2025 Observation History, [OSA] MOUNT PLEASANT AIRPORT, timezone: America/Chicago

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
12:10 AM	SE 6	10	CLR	77	74	77			90	30.04		0
KOSA 200510Z AUTO 13005KT 10SM CLR 25/23 A3004 RMK AO2 T02490233
12:30 AM	SE 5	10	CLR	77	74	77			91	30.03		0
KOSA 200530Z AUTO 14004KT 10SM CLR 25/23 A3003 RMK AO2 T02480232
12:50 AM	SSE 6	10	CLR	76	73	76	91	76	90	30.03		0
KOSA 200550Z AUTO 15005KT 10SM CLR 25/23 A3003 RMK AO2 T02470230 10328 20247
1:10 AM	SE 5	10	CLR	76	74	76			91	30.03		0
KOSA 200610Z AUTO 14004KT 10SM CLR 25/23 A3003 RMK AO2 T02470231
1:30 AM	SE 6	10	CLR	77	74	77			90	30.03		0
KOSA 200630Z AUTO 14005KT 10SM CLR 25/23 A3003 RMK AO2 T02480231
1:50 AM	SSE 5	10	CLR	76	74	76			91	30.03		0
KOSA 200650Z AUTO 16004KT 10SM CLR 25/23 A3003 RMK AO2 T02470231
2:10 AM	SSE 6	7	CLR	77	74	77			90	30.02		0
KOSA 200710Z AUTO 16005KT 7SM CLR 25/23 A3002 RMK AO2 T02500233
2:30 AM	SSW 8	10	CLR	78	74	78			88	30.03		0
KOSA 200730Z AUTO 19007KT 10SM CLR 26/24 A3003 RMK AO2 T02570236
2:50 AM	SSW 6	10	CLR	78	75	78			88	30.03		0
KOSA 200750Z AUTO 19005KT 10SM CLR 26/24 A3003 RMK AO2 T02580237
3:10 AM	S 6	10	CLR	78	74	78			89	30.03		0
KOSA 200810Z AUTO 18005KT 10SM CLR 25/24 A3003 RMK AO2 T02550236
3:30 AM	S 6	10	SCT120	78	75	78			91	30.03		0
KOSA 200830Z AUTO 17005KT 10SM SCT120 25/24 A3003 RMK AO2 T02530237
3:50 AM	S 8	10	BKN120	78	75	78			91	30.03		0
KOSA 200850Z AUTO 18007KT 10SM BKN120 26/24 A3003 RMK AO2 T02560240
4:10 AM	SSW 7	10	SCT120	78	75	78			90	30.03		0
KOSA 200910Z AUTO 19006KT 10SM SCT120 26/24 A3003 RMK AO2 T02570240
4:30 AM	SSW 8	10	CLR	78	75	78			90	30.03		0
KOSA 200930Z AUTO 19007KT 10SM CLR 26/24 A3003 RMK AO2 T02570240
4:50 AM	SSW 7	10	CLR	78	75	78			90	30.04		0
KOSA 200950Z AUTO 19006KT 10SM CLR 26/24 A3004 RMK AO2 T02570240
5:10 AM	SSW 6	10	CLR	78	75	78			91	30.04		0
KOSA 201010Z AUTO 19005KT 10SM CLR 25/24 A3004 RMK AO2 T02540238
5:30 AM	S 6	10	CLR	77	75	77			93	30.04		0
KOSA 201030Z AUTO 17005KT 10SM CLR 25/24 A3004 RMK AO2 T02500237
5:50 AM	SSE 6	10	CLR	76	74	76			94	30.05		0
KOSA 201050Z AUTO 16005KT 10SM CLR 25/24 A3005 RMK AO2 T02470236
6:10 AM	S 6	10	CLR	76	74	76			94	30.05		0
KOSA 201110Z AUTO 17005KT 10SM CLR 25/24 A3005 RMK AO2 T02460235
6:30 AM	SSE 6	10	CLR	76	74	76			94	30.05		0
KOSA 201130Z AUTO 16005KT 10SM CLR 25/24 A3005 RMK AO2 T02460235
6:50 AM	SSE 5	10	CLR	76	74	76	79	76	94	30.05		0
KOSA 201150Z AUTO 16004KT 10SM CLR 25/24 A3005 RMK AO2 T02470236 10260 20245
7:10 AM	SSE 5	10	CLR	78	75	78			92	30.05		0
KOSA 201210Z AUTO 15004KT 10SM CLR 25/24 A3005 RMK AO2 T02530239
7:30 AM	S 6	10	CLR	79	75	79			88	30.05		0
KOSA 201230Z AUTO 18005KT 10SM CLR 26/24 A3005 RMK AO2 T02610240
7:50 AM	SSW 9	10	CLR	80	75	86			84	30.06		0
KOSA 201250Z AUTO 20008KT 10SM CLR 27/24 A3006 RMK AO2 T02690240
8:10 AM	S 10	10	CLR	81	75	87			83	30.06		0
KOSA 201310Z AUTO 18009KT 10SM CLR 27/24 A3006 RMK AO2 T02730241

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.