Climatology Data: Level 2.0 Quality Assured Data
AERONET Algorithm: Version 2
Site: GSFC, longitude=-76.839833, latitude=38.992500, elevation=87 m
PI: Brent_Holben
PI email(s): Brent.N.Holben@nasa.gov
Month,1020_avg,1020_std,870_avg,870_std,670_avg,670_std,500_avg,500_std,440_avg,440_std,380_avg,380_std,340_avg,340_std,PW_avg_Lev1.5_(cm),PW_std_Lev1.5_(cm),Alpha_440-870_avg,Alpha_440-870_std,Alpha_380-500_avg,Alpha_380-500_std,Alpha_440-675_avg,Alpha_440-675_std,Alpha_500-870_avg,Alpha_500-870_std,Alpha_340-440_avg,Alpha_340-440_std,Alpha_polar_440-675_avg,Alpha_polar_440-675_std,500-NotInt_avg,500-NotInt_std,412_avg,412_std,532_avg,532_std,555_avg,555_std,1640_avg,1640_std,1020_days,870_days,670_days,500_days,440_days,380_days,340_days,PW_days_Lev1.5,Alpha_440-870_days,Alpha_380-500_days,Alpha_440-675_days,Alpha_500-870_days,Alpha_340-440_days,Alpha_polar_440-675_days,500-NotInt_days,412_days,532_days,555_days,1640_days,1020_Obs,870_Obs,670_Obs,500_Obs,440_Obs,380_Obs,340_Obs,PW_Obs_Lev1.5,Alpha_440-870_Obs,Alpha_380-500_Obs,Alpha_440-675_Obs,Alpha_500-870_Obs,Alpha_340-440_Obs,Alpha_polar_440-675_Obs,500-NotInt_Obs,412_Obs,532_Obs,555_Obs,1640_Obs,
1997-JAN,-100.000000,-100.000000,0.042166,0.010748,0.050249,0.018018,0.080866,0.030762,0.104715,0.043312,0.120586,0.055336,0.140945,0.056974,-100.000000,-100.000000,1.296344,0.306630,1.579733,0.477281,1.680774,0.218700,1.137956,0.308271,1.157797,0.271091,-100.000000,-100.000000,0.080866,0.030762,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100,7,7,7,7,7,7,-100,7,5,7,7,7,-100,7,-100,-100,-100,-100,-100,92,92,92,92,92,92,-100,92,49,92,92,92,-100,92,-100,-100,-100,-100
1997-FEB,-100.000000,-100.000000,0.080438,0.036829,0.098895,0.052810,0.153765,0.080806,0.186063,0.106297,0.223472,0.122904,0.248749,0.131057,-100.000000,-100.000000,1.223455,0.501260,1.384024,0.439380,1.491871,0.418716,1.208411,0.421561,1.389751,0.328753,-100.000000,-100.000000,0.153765,0.080806,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100,13,13,13,13,13,13,-100,12,12,13,12,12,-100,13,-100,-100,-100,-100,-100,216,216,216,216,216,216,-100,173,173,216,211,211,-100,216,-100,-100,-100,-100
1997-MAR,0.048155,0.008719,0.057297,0.027171,0.074433,0.035364,0.113545,0.052107,0.148538,0.059456,0.171442,0.074724,0.190705,0.082542,1.224147,0.530250,1.410556,0.267293,1.529887,0.354741,1.649633,0.251378,1.240622,0.256255,1.123012,0.424108,-100.000000,-100.000000,0.113545,0.052107,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,6,18,18,18,18,18,18,6,18,18,18,18,12,-100,18,-100,-100,-100,-100,141,393,393,393,393,393,393,141,393,393,393,393,211,-100,393,-100,-100,-100,-100
1997-APR,0.061188,0.016790,0.080096,0.025802,0.096267,0.037029,0.148770,0.063317,0.181276,0.079551,0.223823,0.100939,0.253170,0.112669,0.812246,0.435082,1.167814,0.315271,1.482375,0.137853,1.432207,0.252912,1.137103,0.288793,1.280395,0.120538,-100.000000,-100.000000,0.148770,0.063317,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,9,9,9,9,9,9,9,9,9,8,9,8,9,-100,9,-100,-100,-100,-100,238,238,238,238,238,238,238,238,238,212,238,212,238,-100,238,-100,-100,-100,-100
1997-MAY,0.063137,0.030958,0.077378,0.035424,0.106706,0.050259,0.171480,0.084020,0.211510,0.104879,0.269150,0.132716,0.306402,0.154645,1.353291,0.527575,1.484265,0.403131,1.645408,0.246712,1.587795,0.374548,1.447088,0.430248,1.444222,0.250823,-100.000000,-100.000000,0.171480,0.084020,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,17,17,17,17,17,17,17,17,17,17,17,17,17,-100,17,-100,-100,-100,-100,432,432,432,432,432,432,430,432,432,432,432,432,432,-100,432,-100,-100,-100,-100
1997-JUN,0.071854,0.042115,0.100602,0.061682,0.161464,0.108316,0.272480,0.184644,0.332721,0.220003,0.412941,0.255469,0.454954,0.271397,2.379055,0.826263,1.727171,0.210451,1.674952,0.280163,1.709291,0.184957,1.743027,0.240592,1.473551,0.300218,-100.000000,-100.000000,0.272480,0.184644,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,19,19,19,19,19,19,19,19,19,19,19,19,19,-100,19,-100,-100,-100,-100,479,479,479,479,479,476,465,479,479,479,479,479,476,-100,479,-100,-100,-100,-100
1997-JUL,0.093262,0.069066,0.128840,0.096125,0.207211,0.160708,0.346847,0.266076,0.421837,0.316756,0.520717,0.371022,0.582747,0.409043,2.578664,0.662771,1.701297,0.287284,1.624195,0.329713,1.662529,0.288490,1.724859,0.305691,1.412979,0.348860,-100.000000,-100.000000,0.346847,0.266076,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,23,23,23,23,23,23,23,23,23,23,23,23,23,-100,23,-100,-100,-100,-100,564,564,564,564,564,559,548,564,564,564,564,564,559,-100,564,-100,-100,-100,-100
1997-AUG,0.089905,0.075495,0.130269,0.106070,0.219294,0.169157,0.373364,0.257214,0.451559,0.294227,0.551822,0.333373,0.613333,0.354594,2.826381,0.798348,1.918774,0.230224,1.579229,0.357978,1.820369,0.270219,1.980976,0.213512,1.354569,0.372874,-100.000000,-100.000000,0.373364,0.257214,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,25,25,25,25,25,25,25,25,25,25,25,25,25,-100,25,-100,-100,-100,-100,346,346,346,346,346,345,338,346,346,346,346,346,345,-100,346,-100,-100,-100,-100
1997-SEP,0.070499,0.065157,0.097131,0.088896,0.155438,0.146551,0.257478,0.240172,0.308650,0.284720,0.375072,0.335177,0.420836,0.361698,1.958933,0.649214,1.650334,0.293160,1.559662,0.335274,1.643980,0.242062,1.671449,0.347550,1.511972,0.515975,-100.000000,-100.000000,0.257478,0.240172,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,24,24,24,24,24,24,24,24,24,24,24,24,24,-100,24,-100,-100,-100,-100,659,659,659,659,659,659,657,659,659,659,659,659,659,-100,659,-100,-100,-100,-100
1997-OCT,0.051884,0.044931,0.071991,0.066580,0.119340,0.115360,0.206193,0.195407,0.254317,0.233714,0.317710,0.278744,0.354777,0.300125,1.286418,0.723620,1.827090,0.236556,1.718966,0.205027,1.810844,0.200534,1.840797,0.271627,1.459596,0.195535,-100.000000,-100.000000,0.206193,0.195407,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,16,16,16,16,16,16,16,16,16,16,16,16,16,-100,16,-100,-100,-100,-100,506,506,506,506,506,506,502,506,506,506,506,506,506,-100,506,-100,-100,-100,-100
1997-NOV,0.035615,0.018552,0.040969,0.022970,0.061557,0.033985,0.103884,0.053789,0.128463,0.063855,0.161400,0.075522,0.180372,0.083309,0.741507,0.322091,1.762904,0.224291,1.698471,0.227707,1.802790,0.219000,1.761088,0.242168,1.406542,0.222411,-100.000000,-100.000000,0.103884,0.053789,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,13,13,13,13,13,13,13,13,13,13,13,13,13,-100,13,-100,-100,-100,-100,496,496,496,496,496,496,496,496,496,496,496,496,496,-100,496,-100,-100,-100,-100
1997-DEC,0.024237,0.007672,0.026865,0.008933,0.040951,0.013125,0.072865,0.022649,0.091599,0.027821,0.116405,0.034031,0.127361,0.038873,0.598038,0.212706,1.835692,0.241987,1.734863,0.154463,1.905838,0.206494,1.828603,0.280936,1.299928,0.203842,-100.000000,-100.000000,0.072865,0.022649,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,16,16,16,16,16,16,16,16,16,16,16,16,16,-100,16,-100,-100,-100,-100,279,279,279,279,279,279,279,279,279,279,279,279,279,-100,279,-100,-100,-100,-100
1997-YEAR,-100.000000,-100.000000,0.077837,0.032945,0.115984,0.058805,0.191795,0.100928,0.235104,0.120359,0.288712,0.148799,0.322863,0.165057,-100.000000,-100.000000,1.583808,0.257815,1.600980,0.103642,1.683160,0.138650,1.560165,0.307050,1.359526,0.122801,-100.000000,-100.000000,0.191795,0.100928,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100,200,200,200,200,200,200,-100,199,196,200,198,193,-100,200,-100,-100,-100,-100,-100,4700,4700,4700,4700,4691,4654,-100,4657,4588,4700,4669,4504,-100,4700,-100,-100,-100,-100