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, 2005-JAN,0.038116,0.023174,0.042203,0.028437,0.050756,0.039525,0.083744,0.061003,0.100883,0.072464,0.119050,0.088593,0.135982,0.097505,0.674852,0.614680,1.292844,0.383144,1.256912,0.299184,1.748698,0.438238,1.175562,0.433089,1.109722,0.300415,-100.000000,-100.000000,0.083744,0.061003,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,14,14,14,14,14,14,14,14,14,13,14,14,14,-100,14,-100,-100,-100,-100,315,315,315,315,315,315,315,315,315,284,315,315,315,-100,315,-100,-100,-100,-100 2005-FEB,0.037034,0.010762,0.043095,0.016041,0.057736,0.029015,0.096578,0.052113,0.118868,0.064077,0.145843,0.078591,0.168742,0.087715,0.668074,0.353807,1.447779,0.334353,1.476794,0.205228,1.665386,0.287834,1.417399,0.352935,1.382544,0.177903,-100.000000,-100.000000,0.096578,0.052113,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,20,20,20,20,20,20,20,20,20,20,20,19,20,-100,20,-100,-100,-100,-100,452,452,452,452,452,452,452,452,452,452,452,433,452,-100,452,-100,-100,-100,-100 2005-MAR,0.047887,0.028488,0.060320,0.041480,0.090158,0.071975,0.156156,0.127357,0.191819,0.156243,0.238285,0.190631,0.275899,0.213064,0.715796,0.341097,1.621216,0.232661,1.524204,0.161682,1.734734,0.196286,1.606795,0.259400,1.474165,0.151879,-100.000000,-100.000000,0.156156,0.127357,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,20,20,20,20,20,20,20,20,20,20,20,20,20,-100,20,-100,-100,-100,-100,424,424,424,424,424,424,424,424,424,424,424,424,424,-100,424,-100,-100,-100,-100 2005-APR,0.061380,0.029295,0.071736,0.036768,0.095102,0.060279,0.158800,0.109135,0.191451,0.137230,0.242491,0.177161,0.280051,0.209716,1.042906,0.419040,1.409542,0.316682,1.470549,0.249256,1.619533,0.294264,1.379330,0.333517,1.425199,0.261127,-100.000000,-100.000000,0.158800,0.109135,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,20,20,20,20,20,20,20,20,20,20,20,20,20,-100,20,-100,-100,-100,-100,697,697,697,697,697,697,697,697,697,697,697,697,697,-100,697,-100,-100,-100,-100 2005-MAY,0.080073,0.048354,0.098643,0.061400,0.141619,0.093831,0.238048,0.154964,0.291335,0.186355,0.363659,0.224650,0.421230,0.248374,1.653142,0.616536,1.603306,0.306448,1.599742,0.272662,1.732161,0.297383,1.574665,0.323438,1.523402,0.286666,-100.000000,-100.000000,0.238048,0.154964,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,20,20,20,20,20,20,20,20,20,20,20,20,20,-100,20,-100,-100,-100,-100,531,531,531,531,531,531,531,531,531,531,531,531,531,-100,531,-100,-100,-100,-100 2005-JUN,0.101397,0.052585,0.132049,0.069802,0.202359,0.108728,0.335346,0.167412,0.401590,0.190174,0.486167,0.213437,0.545830,0.221195,2.852537,0.858949,1.711471,0.228008,1.478088,0.315656,1.719237,0.259372,1.733189,0.227456,1.340171,0.351935,-100.000000,-100.000000,0.335346,0.167412,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,22,22,22,22,22,22,22,22,22,22,22,22,22,-100,22,-100,-100,-100,-100,559,559,559,559,559,559,557,559,559,559,559,559,559,-100,559,-100,-100,-100,-100 2005-JUL,0.126246,0.058787,0.167085,0.078327,0.259773,0.118799,0.420244,0.178334,0.495366,0.201506,0.588397,0.225955,0.652147,0.237645,3.390355,0.873006,1.661598,0.249428,1.325159,0.334895,1.602846,0.271285,1.710036,0.245811,1.209378,0.381382,-100.000000,-100.000000,0.420244,0.178334,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,22,22,22,22,22,22,22,22,22,22,22,22,22,-100,22,-100,-100,-100,-100,468,468,468,468,468,468,466,468,468,468,468,468,468,-100,468,-100,-100,-100,-100 2005-AUG,0.179074,0.235403,0.225666,0.241972,0.338583,0.276177,0.533653,0.358738,0.627203,0.398627,0.739780,0.441369,0.819086,0.462079,3.342657,0.696107,1.683729,0.361827,1.339494,0.377472,1.613830,0.353472,1.733299,0.378149,1.209387,0.406316,-100.000000,-100.000000,0.533653,0.358738,-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,-100,706,706,706,706,706,706,702,706,706,706,706,706,706,-100,706,-100,-100,-100,-100 2005-SEP,0.067186,0.051946,0.088909,0.074600,0.141145,0.127893,0.236751,0.216845,0.286642,0.258689,0.349476,0.304869,0.394553,0.334849,2.194355,0.807707,1.660982,0.218564,1.576493,0.281652,1.683139,0.205654,1.665200,0.254206,1.425541,0.321880,-100.000000,-100.000000,0.236751,0.216845,-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,-100,858,875,875,875,875,875,874,875,875,875,875,875,875,-100,875,-100,-100,-100,-100 2005-OCT,0.029506,0.017819,0.038264,0.024113,0.058387,0.038444,0.103383,0.063038,0.127803,0.075048,0.163616,0.089112,0.182894,0.098928,1.334385,0.486057,1.833393,0.245466,1.781486,0.219236,1.946585,0.300604,1.828095,0.252483,1.474804,0.202328,-100.000000,-100.000000,0.103383,0.063038,-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,-100,523,523,523,523,523,523,523,523,523,523,523,523,523,-100,523,-100,-100,-100,-100 2005-NOV,0.028121,0.011902,0.032675,0.016933,0.046478,0.027403,0.083763,0.046533,0.104527,0.056351,0.133974,0.068623,0.149552,0.077030,1.022834,0.602207,1.770591,0.189467,1.770140,0.175024,1.989043,0.223630,1.730781,0.211380,1.440770,0.182419,-100.000000,-100.000000,0.083763,0.046533,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,20,20,20,20,20,20,20,20,20,20,20,20,20,-100,20,-100,-100,-100,-100,487,487,487,487,487,487,487,487,487,487,487,487,487,-100,487,-100,-100,-100,-100 2005-DEC,0.029721,0.012884,0.035699,0.018285,0.052132,0.030408,0.094232,0.051150,0.118686,0.061203,0.147493,0.074311,0.169618,0.081783,0.585645,0.269807,1.779719,0.155203,1.651511,0.148028,1.982211,0.132206,1.728990,0.205185,1.419664,0.133487,-100.000000,-100.000000,0.094232,0.051150,-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,-100,384,384,384,384,384,384,384,384,384,384,384,384,384,-100,384,-100,-100,-100,-100 2005-YEAR,0.068812,0.046536,0.086362,0.060785,0.127852,0.094514,0.211725,0.148067,0.254681,0.172636,0.309853,0.202175,0.349632,0.222879,1.623128,1.062154,1.623014,0.162570,1.520881,0.166140,1.753117,0.141402,1.606945,0.190676,1.369562,0.127692,-100.000000,-100.000000,0.211725,0.148067,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,242,242,242,242,242,242,242,242,242,241,242,241,242,-100,242,-100,-100,-100,-100,6404,6421,6421,6421,6421,6421,6412,6421,6421,6390,6421,6402,6421,-100,6421,-100,-100,-100,-100