History for Washington, DC

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« Previous Month	« 2008	December 2009			2010 »	Next Month »
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
		1 Actual: 54 | 34 Precip: 0.00 Average: 52 | 36 Precip: 0.10	2 Actual: 59 | 41 Precip: 0.48 Average: 51 | 35 Precip: 0.10	3 Actual: 65 | 47 Precip: 0.29 Average: 51 | 35 Precip: 0.10	4 Actual: 50 | 41 Precip: 0.00 Average: 51 | 35 Precip: 0.10	5 Actual: 46 | 33 Precip: 0.68 Average: 50 | 35 Precip: 0.10
6 Actual: 39 | 30 Precip: 0.00 Average: 50 | 34 Precip: 0.10	7 Actual: 44 | 31 Precip: 0.00 Average: 49 | 34 Precip: 0.10	8 Actual: 45 | 35 Precip: 0.30 Average: 49 | 34 Precip: 0.10	9 Actual: 53 | 37 Precip: 1.29 Average: 49 | 34 Precip: 0.10	10 Actual: 49 | 30 Precip: 0.00 Average: 48 | 33 Precip: 0.09	11 Actual: 40 | 24 Precip: 0.00 Average: 48 | 33 Precip: 0.09	12 Actual: 44 | 27 Precip: 0.00 Average: 48 | 33 Precip: 0.09
13 Actual: 44 | 35 Precip: 0.43 Average: 48 | 33 Precip: 0.09	14 Actual: 49 | 33 Precip: 0.00 Average: 47 | 32 Precip: 0.09	15 Actual: 58 | 42 Precip: 0.00 Average: 47 | 32 Precip: 0.10	16 Actual: 42 | 30 Precip: 0.00 Average: 47 | 32 Precip: 0.10	17 Actual: 38 | 27 Precip: 0.00 Average: 46 | 32 Precip: 0.10	18 Actual: 35 | 27 Precip: 0.11 Average: 46 | 31 Precip: 0.10	19 Actual: 29 | 25 Precip: 0.40 Average: 46 | 31 Precip: 0.10
20 Actual: 36 | 27 Precip: T Average: 46 | 31 Precip: 0.10	21 Actual: 41 | 24 Precip: 0.00 Average: 45 | 31 Precip: 0.10	22 Actual: 40 | 26 Precip: 0.00 Average: 45 | 31 Precip: 0.10	23 Actual: 39 | 29 Precip: 0.00 Average: 45 | 30 Precip: 0.10	24 Actual: 39 | 25 Precip: 0.00 Average: 45 | 30 Precip: 0.10	25 Actual: 47 | 29 Precip: 0.58 Average: 45 | 30 Precip: 0.10	26 Actual: 54 | 39 Precip: 0.86 Average: 44 | 30 Precip: 0.10
27 Actual: 49 | 34 Precip: 0.00 Average: 44 | 29 Precip: 0.10	28 Actual: 40 | 34 Precip: 0.00 Average: 44 | 29 Precip: 0.10	29 Actual: 35 | 25 Precip: 0.00 Average: 44 | 29 Precip: 0.10	30 Actual: 33 | 23 Precip: 0.00 Average: 44 | 29 Precip: 0.10	31 Actual: 36 | 31 Precip: 0.43 Average: 43 | 29 Precip: 0.10
Month Precipitation - Actual month total: 5.85 Normal month total: 3.05
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
December	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	high	sum
1	54	44	34	34	29	21	65	54	42	30.14	30.06	29.98	10	10	10	18	8	23	0.00
2	59	50	41	56	46	32	93	77	61	30.16	29.89	29.49	10	9	2	21	6	29	0.48	Rain
3	65	56	47	61	47	34	93	68	43	30.01	29.62	29.39	10	8	2	29	12	37	0.29	Rain
4	50	46	41	37	34	31	76	63	50	30.20	30.15	30.04	10	10	10	12	3	15	0.00
5	46	40	33	36	32	27	89	75	60	30.12	30.01	29.91	10	5	1	20	13	25	0.68	Rain , Snow
6	39	35	30	24	21	18	75	62	48	30.43	30.34	30.13	10	10	9	20	7	25	0.00
7	44	38	31	30	27	22	76	65	53	30.39	30.29	30.19	10	10	10	16	6	21	0.00
8	45	40	35	34	28	25	85	67	49	30.43	30.30	30.06	10	9	4	14	5	16	0.30	Rain
9	53	45	37	45	40	35	92	82	71	29.99	29.51	29.27	10	8	3	31	11	40	1.29	Rain
10	49	40	30	36	17	5	80	56	32	30.09	29.80	29.52	10	10	10	23	12	30	0.00
11	40	32	24	8	3	0	39	30	20	30.45	30.31	30.12	10	10	10	26	10	38	0.00
12	44	36	27	21	13	6	54	38	22	30.64	30.55	30.45	10	10	10	15	6	18	0.00
13	44	40	35	40	35	21	93	73	52	30.48	30.11	29.92	10	4	0	10	3	14	0.43	Fog , Rain
14	49	41	33	42	36	31	100	86	71	30.17	30.09	29.91	10	4	0	13	7	16	0.00	Fog
15	58	50	42	47	40	23	93	71	49	30.22	30.02	29.93	10	7	2	32	9	43	0.00
16	42	36	30	22	13	8	48	38	27	30.40	30.34	30.23	10	10	10	24	12	35	0.00
17	38	33	27	16	12	8	50	43	35	30.45	30.38	30.32	10	10	10	20	10	26	0.00
18	35	31	27	25	19	14	85	65	44	30.32	30.14	29.97	10	7	0	14	5	17	0.11	Fog , Snow
19	29	27	25	25	23	21	92	84	75	29.92	29.72	29.65	10	1	0	28	17	32	0.40	Fog , Snow
20	36	32	27	23	18	15	75	60	44	30.09	29.93	29.74	10	10	8	23	13	32	T	Snow
21	41	33	24	24	20	16	75	61	47	30.16	30.11	30.06	10	10	10	16	7	22	0.00
22	40	33	26	25	23	20	75	64	52	30.29	30.23	30.17	10	10	10	14	6	18	0.00
23	39	34	29	23	16	9	69	50	30	30.35	30.30	30.27	10	10	10	16	7	23	0.00
24	39	32	25	23	18	11	69	54	39	30.46	30.40	30.33	10	10	10	16	6	18	0.00
25	47	38	29	43	36	23	92	81	69	30.44	30.15	29.97	10	5	0	20	10	24	0.58	Fog , Rain
26	54	47	39	52	44	37	96	89	82	29.96	29.92	29.87	10	4	0	16	7	22	0.86	Fog , Rain
27	49	42	34	36	32	27	92	67	42	30.04	29.95	29.81	10	10	5	10	5	13	0.00
28	40	37	34	30	18	11	76	56	35	29.91	29.83	29.74	10	10	10	26	13	35	0.00
29	35	30	25	16	9	5	47	39	30	30.50	30.23	29.91	10	10	10	31	17	45	0.00
30	33	28	23	17	12	8	55	49	43	30.54	30.45	30.30	10	10	10	14	7	20	0.00
31	36	34	31	34	30	16	92	70	47	30.28	30.14	30.03	10	6	3	13	3	15	0.43	Rain

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