IEM :: Observation History

13 September 2025 Observation History, [HSA] BAY_ST._LOUIS, timezone: America/Chicago

Time	Wind (mph)	Vis. (mi.)	Sky Cond. (100s ft)	Present Wx	Temperature (ºF)					Relative Humidity	Pressure		Snow Depth (in)	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
6:50 AM	Calm	4	CLR	BR	66	64	66			94	30.02			0
KHSA 131150Z 00000KT 4SM BR CLR 19/18 A3002
7:50 AM	Calm	7	CLR		72	70	72			94	30.03			0
KHSA 131250Z 00000KT 7SM CLR 22/21 A3003
8:50 AM	Calm	10	CLR		77	68	77			74	30.04			0
KHSA 131350Z 00000KT 10SM CLR 25/20 A3004
9:50 AM	E 6	10	CLR		82	70	86			66	30.04			0
KHSA 131450Z 09005KT 10SM CLR 28/21 A3004
10:50 AM	SSW 9	10	CLR		88	72	94			59	30.04			0
KHSA 131550Z COR 21008KT 10SM CLR 31/22 A3004
11:50 AM	SE 8G14	10	CLR		90	70	95			52	30.04			0
KHSA 131650Z 13007G12KT 10SM CLR 32/21 A3004
12:50 PM	ESE 12	10	SCT030		90	70	95			52	30.02			0
KHSA 131750Z 12010KT 10SM SCT030 32/21 A3002
1:47 PM	ESE 12	10	SCT030		90	70	95			52	30			0
KHSA 131847Z 12010KT 10SM SCT030 32/21 A3000
2:47 PM	SE 12	10	SCT030		90	70	95			52	29.98			0
KHSA 131947Z 14010KT 10SM SCT030 32/21 A2998
3:47 PM	SSE 12	10	SCT050		86	70	91			59	29.98			0
KHSA 132047Z 16010KT 10SM SCT050 30/21 A2998

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.