History for Washington, DC

Summary

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« Previous Month	« 2008	September 2009			2010 »	Next Month »
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
		1 Actual: 76 | 59 Precip: 0.00 Average: 84 | 66 Precip: 0.12	2 Actual: 76 | 57 Precip: 0.00 Average: 83 | 66 Precip: 0.12	3 Actual: 80 | 61 Precip: 0.00 Average: 83 | 66 Precip: 0.12	4 Actual: 85 | 63 Precip: 0.00 Average: 83 | 65 Precip: 0.12	5 Actual: 87 | 64 Precip: 0.00 Average: 83 | 65 Precip: 0.12
6 Actual: 84 | 65 Precip: 0.43 Average: 82 | 65 Precip: 0.13	7 Actual: 77 | 67 Precip: 0.02 Average: 82 | 65 Precip: 0.13	8 Actual: 74 | 65 Precip: 0.07 Average: 82 | 64 Precip: 0.13	9 Actual: 79 | 67 Precip: 0.03 Average: 81 | 64 Precip: 0.13	10 Actual: 74 | 62 Precip: T Average: 81 | 64 Precip: 0.13	11 Actual: 69 | 59 Precip: 0.80 Average: 81 | 64 Precip: 0.13	12 Actual: 74 | 63 Precip: 0.00 Average: 81 | 63 Precip: 0.13
13 Actual: 83 | 63 Precip: T Average: 80 | 63 Precip: 0.13	14 Actual: 84 | 63 Precip: 0.00 Average: 80 | 63 Precip: 0.13	15 Actual: 84 | 66 Precip: 0.19 Average: 80 | 62 Precip: 0.13	16 Actual: 77 | 66 Precip: T Average: 79 | 62 Precip: 0.13	17 Actual: 67 | 65 Precip: 0.01 Average: 79 | 62 Precip: 0.13	18 Actual: 78 | 64 Precip: T Average: 79 | 61 Precip: 0.13	19 Actual: 77 | 60 Precip: 0.00 Average: 78 | 61 Precip: 0.13
20 Actual: 77 | 57 Precip: 0.00 Average: 78 | 61 Precip: 0.13	21 Actual: 80 | 60 Precip: 0.00 Average: 78 | 60 Precip: 0.13	22 Actual: 81 | 65 Precip: 0.00 Average: 77 | 60 Precip: 0.13	23 Actual: 87 | 71 Precip: 0.00 Average: 77 | 59 Precip: 0.13	24 Actual: 86 | 73 Precip: 0.03 Average: 77 | 59 Precip: 0.13	25 Actual: 77 | 64 Precip: 0.02 Average: 76 | 58 Precip: 0.12	26 Actual: 67 | 60 Precip: 1.40 Average: 76 | 58 Precip: 0.12
27 Actual: 78 | 61 Precip: 0.23 Average: 75 | 58 Precip: 0.12	28 Actual: 80 | 57 Precip: T Average: 75 | 57 Precip: 0.12	29 Actual: 70 | 54 Precip: 0.00 Average: 75 | 57 Precip: 0.12	30 Actual: 70 | 54 Precip: 0.08 Average: 74 | 56 Precip: 0.12
Month Precipitation - Actual month total: 3.31 Normal month total: 3.79
Calendar Key Sunny Clear Mostly Cloudy Partly Sunny Partly Cloudy Mostly Sunny Cloudy Rain Snow Hail Flurries Thunderstorms Hazy Fog Sleet '?' denotes 'chance of' Unknown
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2009	Temperature (°F)			Dew Point (°F)			Humidity (%)			Sea Level Pressure (in)			Visibility (mi)			Wind (mph)		Gust Speed (mph)	Precipitation (in)	Events
September	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	high	sum
1	76	68	59	53	48	46	63	50	36	30.30	30.26	30.21	10	10	10	14	9	18	0.00
2	76	67	57	56	53	50	86	64	41	30.31	30.26	30.21	10	10	10	14	6	22	0.00
3	80	71	61	58	52	43	84	56	28	30.20	30.12	30.04	10	10	10	13	7	17	0.00
4	85	74	63	62	56	53	73	55	37	30.09	30.05	30.02	10	10	10	12	6	22	0.00
5	87	76	64	63	59	53	81	56	31	30.21	30.16	30.10	10	10	8	12	3	17	0.00
6	84	75	65	66	62	56	81	61	40	30.29	30.25	30.22	10	8	2	18	7	22	0.43	Rain , Thunderstorm
7	77	72	67	66	65	63	90	82	73	30.27	30.19	30.10	10	9	2	13	9	16	0.02	Rain
8	74	70	65	65	61	57	87	72	57	30.10	30.08	30.04	10	9	5	18	9	22	0.07	Rain
9	79	73	67	64	60	56	87	67	47	30.22	30.13	30.05	10	10	5	23	9	26	0.03	Rain
10	74	68	62	61	54	50	78	64	49	30.33	30.27	30.23	10	10	10	23	15	29	T
11	69	64	59	59	56	52	90	79	67	30.20	30.09	30.01	10	7	1	21	13	28	0.80	Rain
12	74	69	63	61	58	55	78	70	61	30.01	29.98	29.95	10	10	10	20	11	25	0.00
13	83	73	63	61	58	49	90	62	33	30.01	29.97	29.93	10	10	10	17	7	22	T
14	84	74	63	65	59	55	79	61	43	30.04	29.99	29.94	10	10	9	15	7	21	0.00
15	84	75	66	66	62	57	87	65	43	30.01	29.97	29.93	10	10	2	13	5	15	0.19	Rain
16	77	72	66	66	62	59	84	72	60	30.18	30.10	29.99	10	9	5	18	10	21	T	Rain
17	67	66	65	61	59	57	84	79	73	30.22	30.18	30.16	10	9	4	16	8	20	0.01	Rain
18	78	71	64	66	62	57	87	75	62	30.16	30.10	30.04	10	10	6	13	7	17	T
19	77	69	60	64	53	48	87	64	41	30.30	30.23	30.11	10	10	10	16	7	20	0.00
20	77	67	57	54	52	49	86	65	43	30.35	30.31	30.27	10	10	10	14	4	15	0.00
21	80	70	60	63	58	53	84	65	45	30.31	30.28	30.24	10	10	10	13	5	16	0.00
22	81	73	65	66	65	63	93	76	58	30.28	30.25	30.21	10	10	8	12	3	14	0.00
23	87	79	71	71	68	66	87	72	57	30.21	30.15	30.07	10	10	10	16	7	18	0.00
24	86	80	73	71	66	61	93	69	44	30.10	30.06	30.02	10	10	10	15	6	18	0.03
25	77	71	64	65	55	48	73	59	44	30.30	30.19	30.08	10	10	8	17	9	22	0.02	Rain
26	67	64	60	57	55	50	90	74	58	30.30	30.14	29.98	10	7	2	16	7	21	1.40	Rain
27	78	70	61	63	60	52	93	73	53	29.93	29.69	29.58	10	9	2	20	7	24	0.23	Rain
28	80	69	57	60	51	32	84	54	23	29.70	29.59	29.45	10	10	10	30	10	37	T
29	70	62	54	45	42	39	66	52	37	29.84	29.73	29.66	10	10	10	23	10	30	0.00
30	70	62	54	54	48	44	77	63	48	30.04	29.93	29.83	10	10	4	26	8	35	0.08	Rain

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