31 December 2024 Observation History, [HYI] SAN MARCOS (AWOS), timezone: America/Chicago

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Previous Day

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
								Max.	Min.
12:00 AM	NNW 6									%	29.84
KHYI 310600Z AUTO 34005KT 10/01 A2984 RMK T01000010 MADISHF
12:05 AM	NNW 6									%	29.84
KHYI 310605Z AUTO 33005KT 09/01 A2984 RMK T00900010 MADISHF
12:10 AM	NW 6									%	29.84
KHYI 310610Z AUTO 32005KT 10/02 A2984 RMK T01000020 MADISHF
12:15 AM	NNW 6									%	29.85
KHYI 310615Z AUTO 33005KT 10/02 A2985 RMK T01000020 MADISHF
12:20 AM	NW 6									%	29.84
KHYI 310620Z AUTO 32005KT 09/02 A2984 RMK T00900020 MADISHF
12:25 AM	NW 8									%	29.84
KHYI 310625Z AUTO 31007KT 09/02 A2984 RMK T00900020 MADISHF
12:30 AM	WNW 6									%	29.85
KHYI 310630Z AUTO 30005KT 09/03 A2985 RMK T00900030 MADISHF
12:35 AM	NW 6									%	29.85
KHYI 310635Z AUTO 31005KT 09/02 A2985 RMK T00900020 MADISHF
12:40 AM	NW 6									%	29.85
KHYI 310640Z AUTO 31005KT 09/02 A2985 RMK T00900020 MADISHF
12:45 AM	NW 6									%	29.85
KHYI 310645Z AUTO 31005KT 09/02 A2985 RMK T00900020 MADISHF
12:50 AM	NW 6									%	29.85
KHYI 310650Z AUTO 31005KT 09/02 A2985 RMK T00900020 MADISHF
12:55 AM	NW 6									%	29.85
KHYI 310655Z AUTO 32005KT 09/02 A2985 RMK T00900020 MADISHF
12:56 AM	NW 7				48	36	45			63%	29.85	1010.3		0
KHYI 310656Z AUTO 32006KT 09/02 A2985 RMK AO2 SLP103 T00890022 $
1:00 AM	NW 6									%	29.85
KHYI 310700Z AUTO 31005KT 09/02 A2985 RMK T00900020 MADISHF
1:05 AM	WNW 6									%	29.85
KHYI 310705Z AUTO 30005KT 09/02 A2985 RMK T00900020 MADISHF
1:10 AM	WNW 6									%	29.86
KHYI 310710Z AUTO 30005KT 09/02 A2986 RMK T00900020 MADISHF
1:15 AM	NW 6									%	29.86
KHYI 310715Z AUTO 31005KT 08/02 A2986 RMK T00800020 MADISHF
1:20 AM	NW 6									%	29.86
KHYI 310720Z AUTO 32005KT 08/02 A2986 RMK T00800020 MADISHF
1:25 AM	NW 6									%	29.86
KHYI 310725Z AUTO 32005KT 08/02 A2986 RMK T00800020 MADISHF
1:30 AM	NW 6									%	29.86
KHYI 310730Z AUTO 32005KT 08/02 A2986 RMK T00800020 MADISHF
1:35 AM	NNW 6									%	29.86
KHYI 310735Z AUTO 33005KT 08/02 A2986 RMK T00800020 MADISHF
1:40 AM	NNW 6									%	29.86
KHYI 310740Z AUTO 34005KT 08/02 A2986 RMK T00800020 MADISHF
1:45 AM	NNW 8									%	29.86
KHYI 310745Z AUTO 34007KT 08/02 A2986 RMK T00800020 MADISHF
1:50 AM	NNW 8									%	29.86
KHYI 310750Z AUTO 33007KT 08/02 A2986 RMK T00800020 MADISHF
1:55 AM	NNW 8									%	29.86
KHYI 310755Z AUTO 33007KT 08/02 A2986 RMK T00800020 MADISHF
1:56 AM	NW 8				47	35	43			63%	29.86	1010.6		0
KHYI 310756Z AUTO 32007KT 08/02 A2986 RMK AO2 SLP106 T00830017 $
2:00 AM	NW 6									%	29.86
KHYI 310800Z AUTO 32005KT 09/02 A2986 RMK T00900020 MADISHF
2:05 AM	NW 6									%	29.86
KHYI 310805Z AUTO 32005KT 08/02 A2986 RMK T00800020 MADISHF
2:10 AM	NW 6									%	29.86
KHYI 310810Z AUTO 31005KT 08/02 A2986 RMK T00800020 MADISHF
2:15 AM	NW 8									%	29.86
KHYI 310815Z AUTO 31007KT 08/02 A2986 RMK T00800020 MADISHF
2:20 AM	NW 9									%	29.86
KHYI 310820Z AUTO 31008KT 08/02 A2986 RMK T00800020 MADISHF
2:25 AM	NW 12									%	29.86
KHYI 310825Z AUTO 32010KT 08/02 A2986 RMK T00800020 MADISHF
2:25 AM	NW 12									%	29.86
KHYI 310825Z AUTO 32010KT A2986 RMK MADISHF
2:30 AM	NW 8									%	29.87
KHYI 310830Z AUTO 31007KT 09/02 A2987 RMK T00900020 MADISHF
2:35 AM	NNW 8									%	29.87
KHYI 310835Z AUTO 33007KT 08/02 A2987 RMK T00800020 MADISHF
2:35 AM	NNW 8									%	29.87
KHYI 310835Z AUTO 33007KT A2987 RMK MADISHF
2:40 AM	N 6									%	29.88
KHYI 310840Z AUTO 36005KT 08/02 A2988 RMK T00800020 MADISHF
2:40 AM	N 6									%	29.88
KHYI 310840Z AUTO 36005KT A2988 RMK MADISHF
2:45 AM	NNE 6									%	29.88
KHYI 310845Z AUTO 02005KT 08/01 A2988 RMK T00800010 MADISHF
2:45 AM	NNE 6									%	29.88
KHYI 310845Z AUTO 02005KT A2988 RMK MADISHF
2:50 AM	N 15									%	29.89
KHYI 310850Z AUTO 36013KT 10/01 A2989 RMK T01000010 MADISHF
2:50 AM	M									%	29.89
KHYI 310850Z AUTO /////KT 10/01 A2989 RMK T01000010 MADISHF
2:55 AM	N 16									%	29.89
KHYI 310855Z AUTO 35014KT 13/00 A2989 RMK T01300000 MADISHF
2:56 AM	N 15				55	32	55			41%	29.89	1011.7		0
KHYI 310856Z AUTO 35013KT 13/00 A2989 RMK AO2 SLP117 T01280000 53016 $
3:00 AM	N 13									%	29.9
KHYI 310900Z AUTO 36011KT 14/M01 A2990 RMK T01401010 MADISHF
3:00 AM	M									%	29.9
KHYI 310900Z AUTO /////KT 14/M01 A2990 RMK T01401010 MADISHF
3:05 AM	N 13									%	29.9
KHYI 310905Z AUTO 35011KT 14/M01 A2990 RMK T01401010 MADISHF
3:10 AM	N 13									%	29.9
KHYI 310910Z AUTO 35011KT 14/M01 A2990 RMK T01401010 MADISHF
3:15 AM	N 15									%	29.9
KHYI 310915Z AUTO 36013KT 15/M01 A2990 RMK T01501010 MADISHF
3:15 AM	M									%	29.9
KHYI 310915Z AUTO /////KT 15/M01 A2990 RMK T01501010 MADISHF
3:15 AM	M									%	29.9
KHYI 310915Z AUTO /////KT A2990 RMK MADISHF
3:20 AM	N 13									%	29.91
KHYI 310920Z AUTO 36011KT 15/M01 A2991 RMK T01501010 MADISHF
3:20 AM	M									%	29.91
KHYI 310920Z AUTO /////KT A2991 RMK MADISHF
3:25 AM	N 13									%	29.91
KHYI 310925Z AUTO 36011KT 15/M01 A2991 RMK T01501010 MADISHF
3:25 AM	M									%	29.91
KHYI 310925Z AUTO /////KT A2991 RMK MADISHF
3:30 AM	N 16									%	29.91
KHYI 310930Z AUTO 36014KT 15/M01 A2991 RMK T01501010 MADISHF
3:30 AM	M									%	29.91
KHYI 310930Z AUTO /////KT 15/M01 A2991 RMK T01501010 MADISHF
3:35 AM	M									%	29.91
KHYI 310935Z AUTO /////KT 15/M01 A2991 RMK T01501010 MADISHF
3:40 AM	N 17									%	29.91
KHYI 310940Z AUTO 01015KT 15/00 A2991 RMK T01500000 MADISHF
3:40 AM	M									%	29.91
KHYI 310940Z AUTO /////KT 15/00 A2991 RMK T01500000 MADISHF
3:45 AM	N 16									%	29.91
KHYI 310945Z AUTO 01014KT 14/00 A2991 RMK T01400000 MADISHF
3:45 AM	M									%	29.91
KHYI 310945Z AUTO /////KT 14/00 A2991 RMK T01400000 MADISHF
3:50 AM	N 17									%	29.91
KHYI 310950Z AUTO 01015KT 14/00 A2991 RMK T01400000 MADISHF
3:55 AM	N 16									%	29.92
KHYI 310955Z AUTO 36014KT 14/00 A2992 RMK T01400000 MADISHF
3:56 AM	N 16				58	32	58			37%	29.92	1012.5		0
KHYI 310956Z AUTO 36014KT 14/00 A2992 RMK AO2 SLP125 T01440000 $
4:00 AM	N 16									%	29.92
KHYI 311000Z AUTO 36014KT 14/00 A2992 RMK T01400000 MADISHF
4:00 AM	M									%	29.92
KHYI 311000Z AUTO /////KT 14/00 A2992 RMK T01400000 MADISHF
4:05 AM	N 17									%	29.92
KHYI 311005Z AUTO 36015KT 14/01 A2992 RMK T01400010 MADISHF
4:05 AM	M									%	29.92
KHYI 311005Z AUTO /////KT 14/01 A2992 RMK T01400010 MADISHF
4:10 AM	N 20									%	29.92
KHYI 311010Z AUTO 36017KT 14/01 A2992 RMK T01400010 MADISHF
4:15 AM	M									%	29.92
KHYI 311015Z AUTO /////KT 14/00 A2992 RMK T01400000 MADISHF
4:20 AM	M									%	29.93
KHYI 311020Z AUTO /////G22KT 14/00 A2993 RMK T01400000 MADISHF
4:25 AM	M									%	29.93
KHYI 311025Z AUTO /////KT 14/00 A2993 RMK T01400000 MADISHF
4:30 AM	N 21									%	29.93
KHYI 311030Z AUTO 01018KT 15/00 A2993 RMK T01500000 MADISHF
4:30 AM	M									%	29.93
KHYI 311030Z AUTO /////KT 15/00 A2993 RMK T01500000 MADISHF
4:35 AM	M									%	29.93
KHYI 311035Z AUTO /////KT 15/00 A2993 RMK T01500000 MADISHF
4:40 AM	M									%	29.93
KHYI 311040Z AUTO /////KT 14/00 A2993 RMK T01400000 MADISHF
4:45 AM	M									%	29.93
KHYI 311045Z AUTO /////KT 14/M01 A2993 RMK T01401010 MADISHF
4:50 AM	N 17									%	29.93
KHYI 311050Z AUTO 01015KT 14/00 A2993 RMK T01400000 MADISHF
4:55 AM	N 17									%	29.94
KHYI 311055Z AUTO 01015KT 14/00 A2994 RMK T01400000 MADISHF
4:56 AM	N 17				57	32	57			39%	29.94	1013.3		0
KHYI 311056Z AUTO 01015KT 14/00 A2994 RMK AO2 SLP133 T01390000 $
5:00 AM	N 16									%	29.94
KHYI 311100Z AUTO 01014KT 14/00 A2994 RMK T01400000 MADISHF
5:05 AM	N 16									%	29.94
KHYI 311105Z AUTO 01014KT 14/00 A2994 RMK T01400000 MADISHF
5:10 AM	N 16									%	29.95
KHYI 311110Z AUTO 01014KT 14/M01 A2995 RMK T01401010 MADISHF
5:15 AM	N 17									%	29.95
KHYI 311115Z AUTO 01015KT 14/M01 A2995 RMK T01401010 MADISHF
5:20 AM	N 16									%	29.96
KHYI 311120Z AUTO 01014KT 14/M01 A2996 RMK T01401010 MADISHF
5:25 AM	NNE 16									%	29.96
KHYI 311125Z AUTO 02014KT 14/M01 A2996 RMK T01401010 MADISHF
5:30 AM	NNE 16									%	29.96
KHYI 311130Z AUTO 02014KT 14/M01 A2996 RMK T01401010 MADISHF
5:30 AM	M									%	29.96
KHYI 311130Z AUTO /////KT 14/M01 A2996 RMK T01401010 MADISHF
5:35 AM	N 16									%	29.97
KHYI 311135Z AUTO 01014KT 14/M01 A2997 RMK T01401010 MADISHF
5:35 AM	M									%	29.97
KHYI 311135Z AUTO /////KT 14/M01 A2997 RMK T01401010 MADISHF
5:40 AM	N 17									%	29.97
KHYI 311140Z AUTO 01015KT 14/M01 A2997 RMK T01401010 MADISHF
5:40 AM	M									%	29.97
KHYI 311140Z AUTO /////KT 14/M01 A2997 RMK T01401010 MADISHF
5:45 AM	N 16									%	29.98
KHYI 311145Z AUTO 01014KT 14/M01 A2998 RMK T01401010 MADISHF
5:50 AM	NNE 16									%	29.98
KHYI 311150Z AUTO 02014KT 14/M01 A2998 RMK T01401010 MADISHF
5:55 AM	NNE 13									%	29.98
KHYI 311155Z AUTO 02011KT 14/M01 A2998 RMK T01401010 MADISHF
5:56 AM	NNE 15				57	31	57	59	46	37%	29.98	1014.8		0
KHYI 311156Z AUTO 02013KT 14/M01 A2998 RMK AO2 SLP148 T01391006 10150 20078 53031 $
6:00 AM	M									%	29.99
KHYI 311200Z AUTO /////KT 14/M01 A2999 RMK T01401010 MADISHF
6:05 AM	N 13									%	29.99
KHYI 311205Z AUTO 01011KT 14/M01 A2999 RMK T01401010 MADISHF
6:10 AM	N 13									%	29.99
KHYI 311210Z AUTO 01011KT 13/M01 A2999 RMK T01301010 MADISHF
6:15 AM	N 13									%	30
KHYI 311215Z AUTO 01011KT 13/M01 A3000 RMK T01301010 MADISHF
6:20 AM	N 15									%	30
KHYI 311220Z AUTO 01013KT 13/M01 A3000 RMK T01301010 MADISHF
6:25 AM	N 13									%	30.01
KHYI 311225Z AUTO 01011KT 13/M01 A3001 RMK T01301010 MADISHF
6:30 AM	N 12									%	30.01
KHYI 311230Z AUTO 36010KT 13/M01 A3001 RMK T01301010 MADISHF
6:35 AM	N 13									%	30.02
KHYI 311235Z AUTO 36011KT 12/M01 A3002 RMK T01201010 MADISHF
6:40 AM	N 13G 18									%	30.02
KHYI 311240Z AUTO 36011G16KT 12/M01 A3002 RMK T01201010 MADISHF
6:45 AM	N 13									%	30.02
KHYI 311245Z AUTO 01011KT 12/M01 A3002 RMK T01201010 MADISHF
6:50 AM	N 13									%	30.02
KHYI 311250Z AUTO 01011KT 12/M01 A3002 RMK T01201010 MADISHF
6:55 AM	N 15									%	30.03
KHYI 311255Z AUTO 01013KT 12/M01 A3003 RMK T01201010 MADISHF
6:56 AM	N 14				54	31	54			41%	30.03	1016.3		0
KHYI 311256Z 01012KT 12/M01 A3003 RMK AO2 SLP163 T01221006 $
7:00 AM	N 15									%	30.03
KHYI 311300Z AUTO 01013KT 12/M01 A3003 RMK T01201010 MADISHF
7:05 AM	N 13									%	30.03
KHYI 311305Z AUTO 01011KT 12/M01 A3003 RMK T01201010 MADISHF
7:10 AM	N 13									%	30.04
KHYI 311310Z AUTO 01011KT 12/M01 A3004 RMK T01201010 MADISHF
7:15 AM	N 13									%	30.04
KHYI 311315Z AUTO 01011KT 12/M01 A3004 RMK T01201010 MADISHF
7:20 AM	N 13									%	30.04
KHYI 311320Z AUTO 01011KT 12/M01 A3004 RMK T01201010 MADISHF
7:25 AM	N 15									%	30.04
KHYI 311325Z AUTO 36013KT 12/M01 A3004 RMK T01201010 MADISHF
7:30 AM	N 15									%	30.04
KHYI 311330Z AUTO 01013KT 12/M01 A3004 RMK T01201010 MADISHF
7:35 AM	N 13									%	30.05
KHYI 311335Z AUTO 36011KT 12/M01 A3005 RMK T01201010 MADISHF
7:40 AM	N 13									%	30.05
KHYI 311340Z AUTO 36011KT 12/M01 A3005 RMK T01201010 MADISHF
7:45 AM	N 15									%	30.05
KHYI 311345Z AUTO 01013KT 12/M01 A3005 RMK T01201010 MADISHF
7:50 AM	N 15									%	30.05
KHYI 311350Z AUTO 01013KT 12/M01 A3005 RMK T01201010 MADISHF
7:56 AM	N 14				54	31	54			41%	30.06	1017.4		0
KHYI 311356Z 36012KT 12/M01 A3006 RMK AO2 SLP174 T01221006 $
8:00 AM	N 15									%	30.06
KHYI 311400Z AUTO 01013KT 12/M01 A3006 RMK T01201010 MADISHF
8:05 AM	N 13									%	30.06
KHYI 311405Z AUTO 36011KT 12/00 A3006 RMK T01200000 MADISHF
8:10 AM	N 13									%	30.07
KHYI 311410Z AUTO 01011KT 13/00 A3007 RMK T01300000 MADISHF
8:15 AM	M									%	30.07
KHYI 311415Z AUTO /////KT 13/00 A3007 RMK T01300000 MADISHF
8:20 AM	M									%	30.07
KHYI 311420Z AUTO /////KT 13/00 A3007 RMK T01300000 MADISHF
8:25 AM	M									%	30.07
KHYI 311425Z AUTO /////KT 13/00 A3007 RMK T01300000 MADISHF
8:30 AM	N 17									%	30.07
KHYI 311430Z AUTO 01015KT 13/00 A3007 RMK T01300000 MADISHF
8:30 AM	M									%	30.07
KHYI 311430Z AUTO /////KT 13/00 A3007 RMK T01300000 MADISHF
8:35 AM	N 17									%	30.07
KHYI 311435Z AUTO 01015KT 14/00 A3007 RMK T01400000 MADISHF
8:40 AM	N 15									%	30.08
KHYI 311440Z AUTO 01013KT 14/00 A3008 RMK T01400000 MADISHF
8:45 AM	N 15									%	30.08
KHYI 311445Z AUTO 36013KT 14/00 A3008 RMK T01400000 MADISHF
8:50 AM	N 15									%	30.08
KHYI 311450Z AUTO 36013KT 14/00 A3008 RMK T01400000 MADISHF
8:56 AM	N 20G 24				58	32	58			37%	30.08	1018.3		0
KHYI 311456Z 01017G21KT 14/00 A3008 RMK AO2 SLP183 T01440000 51033 $

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.