Puerto Rico Guide - Cloud Conditions

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Cloud Cover in Puerto Rico

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Puerto Rico Cloud Cover

	Percent Frequencies by Type of Cloud Cover
Month	Clear	Scattered	Broken	Overcast
January	11 %	51.3 %	31 %	6.7 %
February	12.1 %	49.4 %	32 %	6.6 %
March	12.6 %	50.3 %	30.1 %	7.1 %
April	11.1 %	47.2 %	33.3 %	8.4 %
May	6.9 %	38.6 %	38.2 %	16.3 %
June	7 %	43.6 %	37.1 %	12.3 %
July	4.2 %	47.6 %	38 %	10.2 %
August	5.1 %	49 %	35.1 %	10.8 %
September	6.6 %	44.6 %	36.6 %	12.2 %
October	7.8 %	46 %	34.7 %	11.5 %
November	6.3 %	48.9 %	35.3 %	9.4 %
December	8 %	48.7 %	34.9 %	8.4 %
Annual	8.2 %	47.1 %	34.7 %	10 %

Puerto Rico Clear Skies by Time of Day

	Percent Frequencies by Type of Cloud Cover
Month	Early Morning	Late Morning	Early Afternoon	Late Afternoon	Early Evening	Overall
January	8.7 %	2.3 %	1.7 %	4.4 %	15.4 %	11.0
February	9.6 %	2.4 %	1.9 %	3.6 %	15.6 %	12.1
March	11.9 %	1.7 %	2.2 %	4.8 %	16 %	12.6
April	10.7 %	0.9 %	1.6 %	2.7 %	13.7 %	11.1
May	4.2 %	0.2 %	0.6 %	1.4 %	6.1 %	6.9
June	5.3 %	0.2 %	0.7 %	1.1 %	5.9 %	7.0
July	5 %	0.2 %	0.4 %	0.9 %	3.8 %	4.2
August	6.3 %	0 %	0.3 %	0.8 %	4.8 %	5.1
September	5.8 %	0.2 %	0.3 %	0.7 %	5.2 %	6.6
October	6.2 %	0.3 %	0.2 %	0.8 %	6.1 %	7.8
November	5.1 %	0.7 %	0.7 %	1.1 %	6.7 %	6.3
December	6.2 %	2.1 %	0.9 %	3.5 %	10.9 %	8.0
Annual	7 %	0.9 %	1 %	2.1 %	9.1 %	8.2

Puerto Rico Scattered Cloud Cover by Time of Day

	Percent Frequencies by Type of Cloud Cover
Month	Early Morning	Late Morning	Early Afternoon	Late Afternoon	Early Evening	Overall
January	48.9 %	54.7 %	58.8 %	57.5 %	49.8 %	51.3 %
February	47.2 %	51.6 %	56.5 %	55.6 %	48.5 %	49.4 %
March	49.2 %	56.9 %	59 %	54.4 %	47 %	50.3 %
April	48.6 %	52.4 %	52.3 %	45.4 %	41.5 %	47.2 %
May	40.1 %	37.9 %	34.4 %	29.5 %	36.5 %	38.6 %
June	47.3 %	42.4 %	38.5 %	34.7 %	38.7 %	43.6 %
July	47.9 %	48.3 %	47.4 %	40.1 %	38.5 %	47.6 %
August	49.5 %	49.3 %	46.6 %	41.3 %	44.6 %	49 %
September	48.4 %	49.5 %	38.7 %	28.5 %	39.4 %	44.6 %
October	48 %	46.4 %	41.1 %	36.1 %	45.7 %	46 %
November	48.4 %	50.7 %	47.8 %	42.6 %	46.8 %	48.9 %
December	46.2 %	50 %	51.9 %	49.3 %	49.6 %	48.7 %
Annual	47.5 %	49.2 %	47.7 %	42.8 %	43.9 %	47.1 %

Puerto Rico Broken Cloud Cover by Time of Day

	Percent Frequencies by Type of Cloud Cover
Month	Early Morning	Late Morning	Early Afternoon	Late Afternoon	Early Evening	Overall
January	35.8 %	37 %	34 %	31.6 %	27.3 %	31 %
February	37.2 %	39.6 %	35.9 %	33.7 %	29 %	32 %
March	32.3 %	35.6 %	32.3 %	32.8 %	27.6 %	30.1 %
April	33.3 %	39.3 %	37.5 %	39.6 %	33.8 %	33.3 %
May	39.1 %	47.1 %	48.4 %	46.6 %	38.6 %	38.2 %
June	35.5 %	46 %	47.5 %	44.8 %	40.6 %	37.1 %
July	38.9 %	42 %	40.6 %	43.1 %	44 %	38 %
August	35.1 %	40.6 %	40.5 %	41.7 %	37.8 %	35.1 %
September	35.1 %	39.4 %	47.2 %	51.7 %	39.4 %	36.6 %
October	35.6 %	43.8 %	45.5 %	44.8 %	34.2 %	34.7 %
November	37.8 %	40.4 %	41.7 %	43.8 %	35.3 %	35.3 %
December	38.3 %	40 %	38.1 %	38.3 %	30.1 %	34.9 %
Annual	36.2 %	40.9 %	40.8 %	41.1 %	34.9 %	34.7 %

Puerto Rico Overcast Cloud Cover by Time of Day

	Percent Frequencies by Type of Cloud Cover
Month	Early Morning	Late Morning	Early Afternoon	Late Afternoon	Early Evening	Overall
January	6.6 %	6 %	5.6 %	6.5 %	7.5 %	6.7 %
February	6.1 %	6.5 %	5.7 %	7.1 %	6.9 %	6.6 %
March	6.6 %	5.8 %	6.6 %	8 %	9.4 %	7.1 %
April	7.4 %	7.3 %	8.6 %	12.2 %	10.9 %	8.4 %
May	16.6 %	14.8 %	16.7 %	22.6 %	18.9 %	16.3 %
June	12 %	11.3 %	13.3 %	19.3 %	14.8 %	12.3 %
July	8.2 %	9.5 %	11.6 %	15.8 %	13.8 %	10.2 %
August	9.1 %	10.1 %	12.6 %	16.2 %	12.7 %	10.8 %
September	10.7 %	10.8 %	13.8 %	19.2 %	15.9 %	12.2 %
October	10.1 %	9.4 %	13.3 %	18.3 %	13.9 %	11.5 %
November	8.7 %	8.3 %	9.8 %	12.4 %	11.1 %	9.4 %
December	9.3 %	7.8 %	9 %	8.9 %	9.4 %	8.4 %
Annual	9.3 %	9 %	10.6 %	13.9 %	12.2 %	10 %