Point Forecast: Swissvale PA  40.43N 79.9W (Elev. 899 ft)	Last Update: 10:05 pm EDT May 11, 2025

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Date	05/11	05/12
Hour (EDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	62	58	57	56	55	52	52	54	56	60	66	70	73	75	76	77	77	75	75	74	72	70	68	66
Surface Wind (mph)	5	5	5	5	5	5	5	5	5	5	6	6	7	8	8	9	9	9	9	9	8	7	7	7
Wind Dir	E	E	E	E	E	E	E	E	E	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE
Gust
Relative Humidity (%)	64	76	81	84	86	95	91	82	79	72	61	54	50	49	50	52	52	56	57	57	61	66	74	77
Mixing Height (x100ft)	6	6	7	6	6	6	6	6	6	7	15	22	28	36	42	39	34	32	31	29	22	12	8	6
Ventilation Rate (x1000 mph-ft)	5	6	7	6	6	5	5	5	5	6	22	34	45	57	63	58	51	48	43	43	33	16	9	6
Date		05/13
Hour (EDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	65	64	64	63	63	62	62	62	62	63	65	67	69	70	71	72	71	71	71	70	69	68	66	65
Surface Wind (mph)	7	6	6	6	7	7	7	7	8	8	9	9	10	10	10	11	11	11	11	10	10	10	9	9
Wind Dir	E	E	SE	SE	SE	E	E	E	E	E	E	SE	SE	SE	SE	SE	SE	E	E	E	E	E	E	E
Gust																				20	20
Relative Humidity (%)	80	83	85	88	89	90	91	91	91	91	87	84	80	79	78	77	76	76	75	76	78	80	82	85
Mixing Height (x100ft)	7	7	6	6	6	6	7	9	11	14	19	23	27	28	27	28	31	35	36	31	23	16	12	10
Ventilation Rate (x1000 mph-ft)	6	6	6	6	6	6	7	10	14	20	26	35	40	44	49	55	63	70	72	56	40	26	18	14

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