Washington D.C.

	Washington, Estados Unidos de América
	38.85 ° N 77.03 ° O
	20 m
	Cálido templado bosque húmedo

Cfa

Humid subtropical climate

DOak

Temperate oceanic climate with hot summer with cool winter

Traditional Koppen classification: Cfa (Humid subtropical climate)

Official definition:

C – temperature of warmest month greater than or equal to 10 °C and temperature of coldest month less than 18 °C, but higher than -3 °C
f – precipitation is relatively evenly distributed throughout the year and do not fulfill classification criteria for s or w type
a - temperature of warmest month above 22 °C

The Cfa climate type is typical for areas on the Eastern coasts of continents, mostly between 20th and 30th latitude. The average temperature of the warmest month is higher than 22 °C and the temperature throughout the year range from usually -3 to 18 °C. In the winter, however, in some cases it can be well below freezing point.

Precipitation is relatively evenly distributed during the entire year. Humidity tends to be higher during the summer half year, when the conditions resemble the humid tropical climate. The total annual rainfall can be quite variable, most commonly between 650 and 2500 mm. Thunderstorms during the summer are frequent.

Cfa climate type can be found for example in the Southeastern USA, Northern part of Argentina, Uruguay and Southern part of Brazil, Southern Japan and South of China.

Modern Trewartha classification: DOak (Temperate oceanic climate with hot summer with cool winter)

In the Trewartha classification, the category D is like in the Koppen classification, assigned to regions in the temperate zone. The criterion for this type of climate is four to seven months with average temperature of more than 10 °C. In general it is further subdivided into two subtypes: oceanic and continental. These differ in their average temperature of the coldest month.

Temperate climate is characterized by four distinct seasons and there are substantial differences between the temperatures in the summer and in the winter, but the absolute values are not so extreme and the change is gradual.

In case of the oceanic type, winter is milder than that of the continental type and the temperature of the coldest month usually above 0 °C. The weather conditions are to a large extent influenced by the nearby ocean, which causes smaller temperature variation between the individual seasons. Typical is Western wind and so we often find this type of climate on Western coasts of continents, such as for example in Western Europe or Western coast of the U.S., in latitudes between 40 and 60 ° in America and 40 and 65 ° in Europe. These regions tend to be densely inhabited.

hot summer: warmest month with average temperature between 23 and 28 °C
cool winter: coldest month with average temperature between 0 and 10 °C

Resumen

14.5 °C
9.6 / 19.4

982.0 mm
121 días

53 %

7 h 7 min/dia

Temperatura

	Mes												Media
	1	2	3	4	5	6	7	8	9	10	11	12	Media
Min Temperatura(°C)	-2.9	-1.6	3.2	8.0	13.7	19.2	21.9	21.1	16.9	10.2	5.1	-0.2	9.6
Avg Temperatura(°C)	1.4	3.1	8.4	13.6	19.1	24.2	26.7	25.8	21.8	15.4	9.9	4.1	14.5
Max Temperatura (°C)	5.7	7.7	13.6	19.3	24.6	29.3	31.4	30.5	26.7	20.6	14.6	8.3	19.4
Rango	8.6	9.3	10.4	11.3	10.9	10.1	9.5	9.4	9.8	10.4	9.5	8.5	9.8

	Max mes	Min mes	Rango anual
Min Temperatura	Jul	Ene	24.8°C
Avg Temperatura	Jul	Ene	25.3°C
Max Temperatura	Jul	Ene	25.7°C
Rango de temperatura	Abr	Dic	34.3°C

													Media
	1	2	3	4	5	6	7	8	9	10	11	12	Media
Min Temperatura(°C)
Avg Temperatura(°C)
Max Temperatura(°C)

	Mar, Abr, May				Jun, Jul, Ago				Sep, Oct, Nov				Dic, Ene, Feb
	Max	Min	Media	Rango	Max	Min	Media	Rango	Max	Min	Media	Rango	Max	Min	Media	Rango
Min Temperatura	13.7	3.2	8.30	10.5	21.9	19.2	20.73	2.7	16.9	5.1	10.73	11.8	-0.2	-2.9	-1.57	2.7
Avg Temperatura	19.1	8.4	13.70	10.7	26.7	24.2	25.57	2.5	21.8	9.9	15.70	11.9	4.1	1.4	2.87	2.7
Max Temperatura	24.6	13.6	19.17	11.0	31.4	29.3	30.40	2.1	26.7	14.6	20.63	12.1	8.3	5.7	7.23	2.6

Temperatura

	Mes												Media
	1	2	3	4	5	6	7	8	9	10	11	12	Media
Avg Temperatura (°C)	1.4	3.1	8.4	13.6	19.1	24.2	26.7	25.8	21.8	15.4	9.9	4.1	14.5

	Max mes	Min mes	Rango anual
Avg Temperatura	Jul	Ene	25.3°C

	Mes												Media
	1	2	3	4	5	6	7	8	9	10	11	12	Media
Avg Temperatura (°C)

	Mar, Abr, May				Jun, Jul, Ago				Sep, Oct, Nov				Dic, Ene, Feb
	Max	Min	Media	Rango	Max	Min	Media	Rango	Max	Min	Media	Rango	Max	Min	Media	Rango
Avg Temperatura	19.1	8.4	13.70	10.7	26.7	24.2	25.57	2.5	21.8	9.9	15.70	11.9	4.1	1.4	2.87	2.7

Humedad

	Mes												Media
	1	2	3	4	5	6	7	8	9	10	11	12	Media
Avg Humedad (%)	58.0	52.0	49.0	46.0	51.0	52.0	53.0	55.0	55.0	54.0	52.0	55.0	14.5

	Max mes	Min mes	Rango anual
Avg Humedad	Ene	Abr	12.0%

	Mes												Media
	1	2	3	4	5	6	7	8	9	10	11	12	Media
Avg Humedad (%)

	Mar, Abr, May				Jun, Jul, Ago				Sep, Oct, Nov				Dic, Ene, Feb
	Max	Min	Media	Rango	Max	Min	Media	Rango	Max	Min	Media	Rango	Max	Min	Media	Rango
Avg Humedad	51.0	46.0	48.67	5.0	55.0	52.0	53.33	3.0	55.0	52.0	53.67	3.0	58.0	52.0	55.00	6.0

Precipitación

	Mes												Media mensual	Total anual
	1	2	3	4	5	6	7	8	9	10	11	12	Media mensual	Total anual
Precipitación media mensual (mm)	69.0	69.0	81.0	69.0	93.0	86.0	97.0	99.0	84.0	77.0	79.0	79.0	81.8	982.0
Días de lluvia	11	9	12	10	12	10	11	10	9	8	9	10	10	121
Días de lluvia ratio (%)	35.5 11,20	32.1 9,19	38.7 12,19	33.3 10,20	38.7 12,19	33.3 10,20	35.5 11,20	32.3 10,21	30.0 9,21	25.8 8,23	30.0 9,21	32.3 10,21	33.2 33.1507,66.8493

	Max mes	Min mes	Max Estaciones	Min Estaciones	Rango anual
Precipitación media mensual	Ago	Ene, Feb, Abr	Verano	Invierno	30.0mm
Días de lluvia	Mar, May	Oct	Otoño	Invierno	4

	Mes
	1	2	3	4	5	6	7	8	9	10	11	12
Precipitación media mensual (mm)
Días de lluvia / mes

	Mar, Abr, May				Jun, Jul, Ago				Sep, Oct, Nov				Dic, Ene, Feb
	Max	Min	Rango	Total	Max	Min	Rango	Total	Max	Min	Rango	Total	Max	Min	Rango	Total
Precipitación media mensual (mm)	93.0	69.0	24.0	243.0	99.0	86.0	13.0	282.0	84.0	77.0	7.0	240.0	79.0	69.0	10.0	217.0
Días de lluvia	12	10	2	34	11	10	1	31	15	9	6	34	11	9	2	30

Precipitación

	Mes												Media mensual	Total anual
	1	2	3	4	5	6	7	8	9	10	11	12	Media mensual	Total anual
Precipitación media mensual (mm)	69.0	69.0	81.0	69.0	93.0	86.0	97.0	99.0	84.0	77.0	79.0	79.0	81.8	982.0

	Max mes	Min mes	Max Estaciones	Min Estaciones	Rango anual
Precipitación media mensual	Ago	Ene, Feb, Abr	Verano	Invierno	30.0mm

	Mes
	1	2	3	4	5	6	7	8	9	10	11	12
Precipitación media mensual (mm)

	Mar, Abr, May				Jun, Jul, Ago				Sep, Oct, Nov				Dic, Ene, Feb
	Max	Min	Rango	Total	Max	Min	Rango	Total	Max	Min	Rango	Total	Max	Min	Rango	Total
Precipitación media mensual (mm)	93.0	69.0	24.0	243.0	99.0	86.0	13.0	282.0	84.0	77.0	7.0	240.0	79.0	69.0	10.0	217.0

Luz solar / Duracion del dia

			Max duracion del dia	Min duracion del dia	Luz solar/Duracion del dia
Ene	294 min 4 h 54 min	588 min 9 h 48 min 588,852	613 min 10 h 13 min (31.1.) 613,827	569 min 9 h 29 min (1.1.) 569,871	50.0 % 294,294
Feb	333 min 5 h 33 min	646 min 10 h 46 min 646,794	680 min 11 h 20 min (29.2.) 680,760	615 min 10 h 15 min (1.2.) 615,825	51.5 % 333,313
Mar	408 min 6 h 48 min	720 min 12 h 0 min 720,720	758 min 12 h 38 min (31.3.) 758,682	682 min 11 h 22 min (1.3.) 682,758	56.6 % 408,312
Abr	436 min 7 h 16 min	796 min 13 h 16 min 796,644	829 min 13 h 49 min (30.4.) 829,611	761 min 12 h 41 min (1.4.) 761,679	54.8 % 436,360
May	489 min 8 h 9 min	859 min 14 h 19 min 859,581	882 min 14 h 42 min (31.5.) 882,558	832 min 13 h 52 min (1.5.) 832,608	56.9 % 489,370
Jun	588 min 9 h 48 min	890 min 14 h 50 min 890,550	893 min 14 h 53 min (20.6.) 893,547	883 min 14 h 43 min (1.6.) 883,557	66.1 % 588,302
Jul	551 min 9 h 11 min	872 min 14 h 32 min 872,568	889 min 14 h 49 min (1.7.) 889,551	849 min 14 h 9 min (31.7.) 849,591	63.2 % 551,321
Ago	507 min 8 h 27 min	815 min 13 h 35 min 815,625	847 min 14 h 7 min (1.8.) 847,593	781 min 13 h 1 min (31.8.) 781,659	62.2 % 507,308
Sep	470 min 7 h 50 min	743 min 12 h 23 min 743,697	779 min 12 h 59 min (1.9.) 779,661	706 min 11 h 46 min (30.9.) 706,734	63.3 % 470,273
Oct	408 min 6 h 48 min	667 min 11 h 7 min 667,773	704 min 11 h 44 min (1.10.) 704,736	632 min 10 h 32 min (31.10.) 632,808	61.1 % 408,259
Nov	358 min 5 h 58 min	602 min 10 h 2 min 602,838	630 min 10 h 30 min (1.11.) 630,810	578 min 9 h 38 min (30.11.) 578,862	59.5 % 358,244
Dic	278 min 4 h 38 min	569 min 9 h 29 min 569,871	577 min 9 h 37 min (1.12.) 577,863	566 min 9 h 26 min (20.12.) 566,874	48.9 % 278,291
Año	462 min 7 h 42 min	731 min 12 h 11 min 731,709	893 min 14 h 53 min (19. 6.) 893,547	566 min 9 h 26 min (19. 12.) 566,874	63.3 % 462,268

	Mar, Abr, May				Jun, Jul, Ago				Sep, Oct, Nov				Dic, Ene, Feb
	Max	Min	Media	Luz solar/dia	Max	Min	Media	Luz solar/dia	Max	Min	Media	Luz solar/dia	Max	Min	Media	Luz solar/dia
(min/dia)	489	408	444	56.1% 444,347	588	507	549	63.9% 549,310	470	358	412	61.5% 412,258	333	278	302	50.3% 302,298
Duracion del dia	882	682	792	56.1% 444,347	893	781	859	63.9% 549,310	779	578	670	61.5% 412,258	680	566	600	50.3% 302,298

Duracion del dia

		Max duracion del dia	Min duracion del dia
Ene	588 min 9 h 48 min 588,852	613 min 10 h 13 min (Array.1.) 613,827	569 min 9 h 29 min (1.1.) 569,871
Feb	646 min 10 h 46 min 646,794	680 min 11 h 20 min (Array.2.) 680,760	615 min 10 h 15 min (1.2.) 615,825
Mar	720 min 12 h 0 min 720,720	758 min 12 h 38 min (Array.3.) 758,682	682 min 11 h 22 min (1.3.) 682,758
Abr	796 min 13 h 16 min 796,644	829 min 13 h 49 min (Array.4.) 829,611	761 min 12 h 41 min (1.4.) 761,679
May	859 min 14 h 19 min 859,581	882 min 14 h 42 min (Array.5.) 882,558	832 min 13 h 52 min (1.5.) 832,608
Jun	890 min 14 h 50 min 890,550	893 min 14 h 53 min (Array.6.) 893,547	883 min 14 h 43 min (1.6.) 883,557
Jul	872 min 14 h 32 min 872,568	889 min 14 h 49 min (Array.7.) 889,551	849 min 14 h 9 min (31.7.) 849,591
Ago	815 min 13 h 35 min 815,625	847 min 14 h 7 min (Array.8.) 847,593	781 min 13 h 1 min (31.8.) 781,659
Sep	743 min 12 h 23 min 743,697	779 min 12 h 59 min (Array.9.) 779,661	706 min 11 h 46 min (30.9.) 706,734
Oct	667 min 11 h 7 min 667,773	704 min 11 h 44 min (Array.10.) 704,736	632 min 10 h 32 min (31.10.) 632,808
Nov	602 min 10 h 2 min 602,838	630 min 10 h 30 min (Array.11.) 630,810	578 min 9 h 38 min (30.11.) 578,862
Dic	569 min 9 h 29 min 569,871	577 min 9 h 37 min (Array.12.) 577,863	566 min 9 h 26 min (20.12.) 566,874
Año	731 min 12 h 11 min 731,709	893 min 14 h 53 min (21. 6.) 893,547	566 min 9 h 26 min (21. 12.) 566,874

	Mar, Abr, May			Jun, Jul, Ago			Sep, Oct, Nov			Dic, Ene, Feb
	Max	Min	Media	Max	Min	Media	Max	Min	Media	Max	Min	Media
Duracion del dia	882	682	792	893	781	859	779	578	670	680	566	600

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05:24	20:40