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,
2009-JAN,0.028720,0.016623,0.033617,0.021216,0.046391,0.033832,0.083509,0.056647,0.103303,0.068074,0.126543,0.084548,0.149791,0.096557,0.452471,0.197461,1.664846,0.199985,1.499548,0.169442,1.956025,0.180570,1.602438,0.235324,1.439776,0.122663,-100.000000,-100.000000,0.083509,0.056647,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.015510,0.005722,18,18,18,18,18,18,18,18,18,18,18,18,18,-100,18,-100,-100,-100,3,497,497,497,497,497,497,497,497,497,497,497,497,497,-100,497,-100,-100,-100,107
2009-FEB,0.040697,0.014325,0.046899,0.018033,0.063907,0.028071,0.108909,0.047107,0.130931,0.057504,0.164345,0.072195,0.189417,0.084723,0.595492,0.284781,1.532055,0.241861,1.480062,0.181665,1.723537,0.210266,1.509138,0.259809,1.382593,0.182219,-100.000000,-100.000000,0.108909,0.047107,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.021227,0.010341,22,22,22,22,22,22,22,22,22,22,22,22,22,-100,22,-100,-100,-100,22,572,572,572,572,572,572,572,572,572,572,572,572,572,-100,572,-100,-100,-100,572
2009-MAR,0.058313,0.035059,0.068646,0.045289,0.091031,0.067974,0.146764,0.107586,0.174550,0.127376,0.213545,0.152397,0.241192,0.171225,0.860543,0.598101,1.358653,0.170319,1.371560,0.159475,1.563679,0.162495,1.317974,0.190495,1.222953,0.155763,-100.000000,-100.000000,0.146764,0.107586,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.033770,0.023743,18,18,18,18,18,18,18,18,18,18,18,18,18,-100,18,-100,-100,-100,18,522,522,522,522,522,522,522,522,522,522,522,522,522,-100,522,-100,-100,-100,522
2009-APR,0.049800,0.019401,0.061158,0.023148,0.081305,0.031958,0.131256,0.052264,0.158868,0.065019,0.198997,0.084493,0.229336,0.101859,1.094701,0.579777,1.421597,0.212024,1.485594,0.137356,1.579798,0.199297,1.383807,0.227783,1.357087,0.135861,-100.000000,-100.000000,0.131256,0.052264,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.035323,0.021253,18,18,18,18,18,18,18,18,18,18,18,18,18,-100,18,-100,-100,-100,18,618,618,618,618,618,618,618,618,618,618,618,618,618,-100,618,-100,-100,-100,618
2009-MAY,0.058747,0.027221,0.077116,0.036291,0.109192,0.059567,0.177087,0.102578,0.212135,0.124640,0.259962,0.150434,0.290915,0.164951,1.670344,0.780052,1.439050,0.260119,1.392278,0.188898,1.515397,0.221602,1.437865,0.283966,1.240245,0.181615,-100.000000,-100.000000,0.177087,0.102578,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.036367,0.015530,16,16,16,16,16,16,16,16,16,16,16,16,16,-100,16,-100,-100,-100,16,492,492,492,492,492,492,491,492,492,492,492,492,492,-100,492,-100,-100,-100,492
2009-JUN,0.066077,0.033073,0.089909,0.042410,0.135890,0.064493,0.227019,0.104923,0.270871,0.125646,0.330270,0.150601,0.375286,0.166982,2.592197,0.609794,1.638630,0.173049,1.367447,0.183332,1.644309,0.161235,1.675738,0.184980,1.271890,0.221457,-100.000000,-100.000000,0.227019,0.104923,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.040166,0.025528,23,23,23,23,23,23,23,23,23,23,23,23,23,-100,23,-100,-100,-100,23,434,434,434,434,434,434,434,434,434,434,434,434,434,-100,434,-100,-100,-100,434
2009-JUL,0.069119,0.029324,0.098574,0.041279,0.157516,0.069192,0.266683,0.115361,0.317935,0.135993,0.388072,0.160191,0.443084,0.175431,2.569798,0.628418,1.741643,0.129093,1.399001,0.197088,1.696970,0.143195,1.791275,0.132849,1.306577,0.245852,-100.000000,-100.000000,0.266683,0.115361,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.033941,0.013108,25,25,25,25,25,25,25,25,25,25,25,25,25,-100,25,-100,-100,-100,25,517,517,517,517,517,517,517,517,517,517,517,517,517,-100,517,-100,-100,-100,517
2009-AUG,0.079647,0.031059,0.113015,0.042079,0.179511,0.070832,0.301508,0.120295,0.356856,0.143744,0.430974,0.168278,0.485130,0.182658,3.237051,0.715386,1.693643,0.199989,1.300750,0.157171,1.630499,0.172908,1.755670,0.212116,1.190727,0.173335,-100.000000,-100.000000,0.301508,0.120295,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.038997,0.019724,24,24,24,24,24,24,24,24,24,24,24,24,24,-100,24,-100,-100,-100,24,496,496,496,496,496,496,496,496,496,496,496,496,496,-100,496,-100,-100,-100,496
2009-SEP,0.044790,0.022316,0.060846,0.030667,0.092525,0.049516,0.152598,0.078928,0.179622,0.092307,0.216252,0.107545,0.248648,0.116361,2.100627,0.653782,1.595273,0.173487,1.244501,0.209970,1.572157,0.168085,1.652047,0.180328,1.288417,0.177269,-100.000000,-100.000000,0.152598,0.078928,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.021666,0.005759,18,18,18,18,18,18,18,18,18,18,18,18,18,-100,18,-100,-100,-100,7,521,521,521,521,521,521,521,521,521,521,521,521,521,-100,521,-100,-100,-100,243
2009-OCT,0.030425,0.011518,0.038723,0.014994,0.056009,0.024672,0.097118,0.042476,0.117447,0.052133,0.144822,0.065420,0.176203,0.076421,1.546688,0.664298,1.653022,0.160400,1.411616,0.135138,1.772628,0.167502,1.661024,0.173298,1.569940,0.171335,-100.000000,-100.000000,0.097118,0.042476,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.012303,0.004165,15,15,15,15,15,15,15,15,15,15,15,15,15,-100,15,-100,-100,-100,2,460,480,480,480,480,480,480,480,480,480,480,480,480,-100,480,-100,-100,-100,67
2009-NOV,0.037701,0.013353,0.047330,0.018757,0.067023,0.030778,0.113898,0.052285,0.137024,0.064009,0.168985,0.079334,0.196006,0.092200,1.129861,0.314709,1.549382,0.202582,1.398887,0.189262,1.686463,0.175205,1.542658,0.217365,1.358305,0.216290,-100.000000,-100.000000,0.113898,0.052285,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.018756,0.007374,15,15,15,15,15,15,15,15,15,15,15,15,15,-100,15,-100,-100,-100,8,460,460,460,460,460,460,460,460,460,460,460,460,460,-100,460,-100,-100,-100,227
2009-DEC,0.029950,0.016420,0.032780,0.017815,0.040974,0.022684,0.069748,0.034268,0.081567,0.040054,0.098689,0.047752,0.109664,0.053048,0.625923,0.352330,1.426375,0.305263,1.268683,0.242251,1.726603,0.310697,1.395203,0.324366,1.118698,0.221120,-100.000000,-100.000000,0.069748,0.034268,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.017198,0.016206,17,17,17,17,17,17,17,17,17,17,17,17,17,-100,17,-100,-100,-100,17,433,433,433,433,433,433,433,433,433,433,433,433,433,-100,433,-100,-100,-100,433
2009-YEAR,0.049499,0.016918,0.064051,0.026264,0.093439,0.044370,0.156341,0.073714,0.186759,0.087001,0.228455,0.104862,0.261223,0.117047,1.539641,0.910416,1.559514,0.124681,1.384994,0.082177,1.672339,0.118506,1.560403,0.153810,1.312267,0.120365,-100.000000,-100.000000,0.156341,0.073714,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,0.027102,0.010189,229,229,229,229,229,229,229,229,229,229,229,229,229,-100,229,-100,-100,-100,183,6022,6042,6042,6042,6042,6042,6041,6042,6042,6042,6042,6042,6042,-100,6042,-100,-100,-100,4728