IEM :: Observation History

13 September 2026 Observation History, [HAF] Half Moon Bay, timezone: America/Los_Angeles

Time	Wind (mph)	Vis. (mi.)	Sky Cond. (100s ft)	Present Wx	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	NNW 13	4	FEW011	BR	61	61	61			100	30.03		0.00	M	M
KHAF 130715Z AUTO 34011KT 4SM BR FEW011 16/16 A3003 RMK AO2
12:35 AM	NNW 9	4	FEW010	BR	61	61	61			100	30.04		0.00	M	M
KHAF 130735Z AUTO 34008KT 4SM BR FEW010 16/16 A3004 RMK AO2
12:55 AM	NNW 12	4	FEW010	BR	61	61	61			100	30.04		0.00	M	M
KHAF 130755Z AUTO 34010KT 4SM BR FEW010 16/16 A3004 RMK AO2
1:15 AM	NNW 13	5	FEW009	BR	59	61				107	30.04		0.00	M	M
KHAF 130815Z AUTO 34011KT 5SM BR FEW009 15/16 A3004 RMK AO2
1:35 AM	NNW 13	4	FEW012	BR	59	61				107	30.04		0.00	M	M
KHAF 130835Z AUTO 34011KT 4SM BR FEW012 15/16 A3004 RMK AO2
1:55 AM	NNW 13	4	SCT011	BR	59	59	59			100	30.04		0.00	M	M
KHAF 130855Z AUTO 33011KT 4SM BR SCT011 15/15 A3004 RMK AO2
2:15 AM	NNW 14	4	FEW010 FEW045	BR	59	59	59			100	30.03		0.00	M	M
KHAF 130915Z AUTO 34012KT 4SM BR FEW010 FEW045 15/15 A3003 RMK AO2
2:35 AM	N 8	4	SCT012 BKN046								30.03		0.00	M	M
KHAF 130935Z AUTO 35007KT 4SM SCT012 BKN046 A3003 RMK AO2
2:55 AM	N 12	4	FEW012	BR	59	59	59			100	30.03		0.00	M	M
KHAF 130955Z AUTO 35010KT 4SM BR FEW012 15/15 A3003 RMK AO2
3:15 AM	NNW 10	4	CLR	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131015Z AUTO 34009KT 4SM BR CLR 15/15 A3003 RMK AO2
3:35 AM	NNW 12	4	BKN011	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131035Z AUTO 34010KT 4SM BR BKN011 15/15 A3003 RMK AO2
3:55 AM	NNW 10	4	BKN010	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131055Z AUTO 34009KT 4SM BR BKN010 15/15 A3003 RMK AO2
4:15 AM	NNW 12	4	SCT010	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131115Z AUTO 34010KT 4SM BR SCT010 15/15 A3003 RMK AO2
4:35 AM	NNW 10G18	4	BKN009 BKN012	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131135Z AUTO 34009G16KT 4SM BR BKN009 BKN012 15/15 A3003 RMK AO2
4:55 AM	NNW 12	4	BKN009 OVC012	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131155Z AUTO 34010KT 4SM BR BKN009 OVC012 15/15 A3003 RMK AO2
5:15 AM	NNW 10	4	BKN008 OVC011	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131215Z AUTO 34009KT 4SM BR BKN008 OVC011 15/15 A3003 RMK AO2
5:35 AM	NNW 10	4	BKN008	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131235Z AUTO 34009KT 4SM BR BKN008 15/15 A3003 RMK AO2
5:55 AM	NNW 9	4	SCT009	BR	59	59	59			100	30.03		0.00	M	M
KHAF 131255Z AUTO 34008KT 4SM BR SCT009 15/15 A3003 RMK AO2
6:15 AM	NNW 10	3	BKN009	BR	59	59	59			100	30.04		0.00	M	M
KHAF 131315Z AUTO 34009KT 3SM BR BKN009 15/15 A3004 RMK AO2
6:35 AM	NNW 10	4	OVC010	BR	59	59	59			100	30.04		0.00	M	M
KHAF 131335Z AUTO 34009KT 4SM BR OVC010 15/15 A3004 RMK AO2
6:55 AM	NNW 10	3	OVC010	BR	59	59	59			100	30.04		0.00	M	M
KHAF 131355Z AUTO 34009KT 3SM BR OVC010 15/15 A3004 RMK AO2
7:15 AM	NNW 9	1.75	OVC010	BR	59	59	59			100	30.04		0.00	M	M
KHAF 131415Z AUTO 34008KT 1 3/4SM BR OVC010 15/15 A3004 RMK AO2
7:35 AM	NNW 8	2.5	SCT012	BR	59	59	59			100	30.05		0.00	M	M
KHAF 131435Z AUTO 34007KT 2 1/2SM BR SCT012 15/15 A3005 RMK AO2
7:55 AM	NNW 9G16	2.5	BKN012	BR	61	61	61			100	30.05		0.00	M	M
KHAF 131455Z AUTO 34008G14KT 2 1/2SM BR BKN012 16/16 A3005 RMK AO2
8:15 AM	NNW 12	2	OVC012	BR	61	61	61			100	30.06		0.00	M	M
KHAF 131515Z AUTO 33010KT 2SM BR OVC012 16/16 A3006 RMK AO2 VIS 1 3/4V3
8:35 AM	NNW 12	2	BKN012	BR	61	61	61			100	30.06		0.00	M	M
KHAF 131535Z AUTO 33010KT 2SM BR BKN012 16/16 A3006 RMK AO2
8:55 AM	NNW 10	3	OVC012	BR	61	61	61			100	30.06		0.00	M	M
KHAF 131555Z AUTO 34009KT 3SM BR OVC012 16/16 A3006 RMK AO2
9:15 AM	NNW 10	5	OVC012								30.06		0.00	M	M
KHAF 131615Z AUTO 34009KT 5SM OVC012 A3006 RMK AO2
9:35 AM	N 10	4	OVC013	BR	63	61	63			94	30.06		0.00	M	M
KHAF 131635Z AUTO 35009KT 4SM BR OVC013 17/16 A3006 RMK AO2
9:55 AM	N 12	4	BKN013								30.07		0.00	M	M
KHAF 131655Z AUTO 35010KT 4SM BKN013 A3007 RMK AO2
10:15 AM	NNW 13G20	3	BKN013	BR	64	61	64			88	30.07		0.00	M	M
KHAF 131715Z AUTO 33011G17KT 3SM BR BKN013 18/16 A3007 RMK AO2
10:35 AM	NNW 15	2.5	BKN013	BR	64	61	64			88	30.07		0.00	M	M
KHAF 131735Z AUTO 33013KT 2 1/2SM BR BKN013 18/16 A3007 RMK AO2
10:55 AM	NNW 15	4	BKN013	BR	64	61	64			88	30.07		0.00	M	M
KHAF 131755Z AUTO 34013KT 4SM BR BKN013 18/16 A3007 RMK AO2
11:15 AM	NNW 18	2.5	FEW013	BR	64	61	64			88	30.06		0.00	M	M
KHAF 131815Z AUTO 33016KT 2 1/2SM BR FEW013 18/16 A3006 RMK AO2
11:35 AM	NW 20G25	2	CLR	HZ	64	61	64			88	30.06		0.00	M	M
KHAF 131835Z AUTO 32017G22KT 2SM HZ CLR 18/16 A3006 RMK AO2
11:55 AM	NNW 18G24	3	CLR	HZ	66	61	66			83	30.06		0.00	M	M
KHAF 131855Z AUTO 33016G21KT 3SM HZ CLR 19/16 A3006 RMK AO2
12:15 PM	NNW 17	4	CLR	HZ	66	61	66			83	30.06		0.00	M	M
KHAF 131915Z AUTO 34015KT 4SM HZ CLR 19/16 A3006 RMK AO2
12:35 PM	NNW 20	3	CLR	HZ	66	59	66			78	30.05		0.00	M	M
KHAF 131935Z AUTO 33017KT 3SM HZ CLR 19/15 A3005 RMK AO2
12:55 PM	NNW 17G23	3	CLR	HZ	68	57	68			68	30.05		0.00	M	M
KHAF 131955Z AUTO 33015G20KT 3SM HZ CLR 20/14 A3005 RMK AO2
1:15 PM	NNW 21	3	CLR	HZ	66	59	66			78	30.04		0.00	M	M
KHAF 132015Z AUTO 33018KT 3SM HZ CLR 19/15 A3004 RMK AO2
1:35 PM	NNW 17G25	4	CLR	HZ	68	61	68			78	30.04		0.00	M	M
KHAF 132035Z AUTO 34015G22KT 4SM HZ CLR 20/16 A3004 RMK AO2
1:55 PM	NW 20	2.5	CLR	HZ	66	61	66			83	30.04		0.00	M	M
KHAF 132055Z AUTO 32017KT 2 1/2SM HZ CLR 19/16 A3004 RMK AO2
2:15 PM	NW 15G24	3	CLR	HZ	68	61	68			78	30.04		0.00	M	M
KHAF 132115Z AUTO 32013G21KT 3SM HZ CLR 20/16 A3004 RMK AO2
2:35 PM	NNW 17G23	3	CLR	HZ	68	61	68			78	30.04		0.00	M	M
KHAF 132135Z AUTO 34015G20KT 3SM HZ CLR 20/16 A3004 RMK AO2
2:55 PM	NNW 16G22	3	CLR	HZ	66	61	66			83	30.03		0.00	M	M
KHAF 132155Z AUTO 33014G19KT 3SM HZ CLR 19/16 A3003 RMK AO2
3:15 PM	NNW 16	4	CLR	HZ	68	61	68			78	30.03		0.00	M	M
KHAF 132215Z AUTO 34014KT 4SM HZ CLR 20/16 A3003 RMK AO2
3:35 PM	NNW 20G26	5	CLR	HZ	66	59	66			78	30.02		0.00	M	M
KHAF 132235Z AUTO 34017G23KT 5SM HZ CLR 19/15 A3002 RMK AO2
3:55 PM	NNW 18G24	5	CLR	HZ	66	61	66			83	30.01		0.00	M	M
KHAF 132255Z AUTO 34016G21KT 5SM HZ CLR 19/16 A3001 RMK AO2
4:15 PM	NNW 20	4	CLR	HZ	66	61	66			83	30.01		0.00	M	M
KHAF 132315Z AUTO 34017KT 4SM HZ CLR 19/16 A3001 RMK AO2
4:35 PM	NNW 20	4	CLR	HZ	66	59	66			78	30.01		0.00	M	M
KHAF 132335Z AUTO 33017KT 4SM HZ CLR 19/15 A3001 RMK AO2
4:55 PM	NNW 17G24	3	CLR	HZ	64	59	64			83	30.01		0.00	M	M
KHAF 132355Z AUTO 33015G21KT 3SM HZ CLR 18/15 A3001 RMK AO2
5:15 PM	NNW 16	2.5	CLR	HZ	64	59	64			83	30		0.00	M	M
KHAF 140015Z AUTO 33014KT 2 1/2SM HZ CLR 18/15 A3000 RMK AO2
5:35 PM	NNW 16	3	CLR	HZ	64	59	64			83	29.99		0.00	M	M
KHAF 140035Z AUTO 34014KT 3SM HZ CLR 18/15 A2999 RMK AO2
5:55 PM	NNW 15G23	5	CLR	HZ	64	59	64			83	30		0.00	M	M
KHAF 140055Z AUTO 34013G20KT 5SM HZ CLR 18/15 A3000 RMK AO2
6:15 PM	NNW 16G22	3	CLR	BR	63	59	63			88	30		0.00	M	M
KHAF 140115Z AUTO 34014G19KT 3SM BR CLR 17/15 A3000 RMK AO2
6:35 PM	NNW 16	4	CLR	BR	63	59	63			88	29.99		0.00	M	M
KHAF 140135Z AUTO 34014KT 4SM BR CLR 17/15 A2999 RMK AO2
6:55 PM	NNW 16	4	CLR	BR	63	59	63			88	29.99		0.00	M	M
KHAF 140155Z AUTO 34014KT 4SM BR CLR 17/15 A2999 RMK AO2
7:15 PM	NNW 14G23	4	CLR	BR	61	59	61			94	29.98		0.00	M	M
KHAF 140215Z AUTO 34012G20KT 4SM BR CLR 16/15 A2998 RMK AO2
7:35 PM	NNW 16	4	CLR								29.98		0.00	M	M
KHAF 140235Z AUTO 34014KT 4SM CLR A2998 RMK AO2
7:55 PM	NNW 14	5	CLR	BR	61	59	61			94	29.98		0.00	M	M
KHAF 140255Z AUTO 34012KT 5SM BR CLR 16/15 A2998 RMK AO2
8:15 PM	NNW 15G21	5	CLR	BR	59	59	59			100	29.98		0.00	M	M
KHAF 140315Z AUTO 34013G18KT 5SM BR CLR 15/15 A2998 RMK AO2
8:35 PM	NNW 14	5	FEW014	BR	59	59	59			100	29.98		0.00	M	M
KHAF 140335Z AUTO 34012KT 5SM BR FEW014 15/15 A2998 RMK AO2
8:55 PM	NNW 12G18	5	FEW013								29.98		0.00	M	M
KHAF 140355Z AUTO 34010G16KT 5SM FEW013 A2998 RMK AO2
9:15 PM	N 7G14	5	CLR	BR	59	59	59			100	29.98		0.00	M	M
KHAF 140415Z AUTO 35006G12KT 5SM BR CLR 15/15 A2998 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.