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,
2001-JAN,0.030541,0.014456,0.036180,0.020368,0.049703,0.032113,0.087638,0.057537,0.108779,0.071603,0.137803,0.087241,0.158891,0.096688,0.588326,0.274059,1.606450,0.196000,1.689990,0.177706,1.841954,0.202839,1.551013,0.216768,1.573986,0.219004,-100.000000,-100.000000,0.087638,0.057537,-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,-100,359,359,359,359,359,359,359,359,359,359,359,359,359,-100,359,-100,-100,-100,-100
2001-FEB,0.051256,0.033001,0.060518,0.035322,0.075724,0.043351,0.122807,0.061495,0.148185,0.072592,0.182694,0.086202,0.206819,0.096181,0.668761,0.293799,1.378544,0.341175,1.470521,0.251645,1.637881,0.329594,1.315847,0.355588,1.332675,0.206439,-100.000000,-100.000000,0.122807,0.061495,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,21,21,21,21,21,21,21,21,21,21,21,21,21,-100,21,-100,-100,-100,-100,431,431,431,431,431,431,431,431,431,431,431,431,431,-100,431,-100,-100,-100,-100
2001-MAR,0.043384,0.023054,0.051572,0.023598,0.068234,0.029535,0.114246,0.043228,0.139071,0.051510,0.175010,0.061729,0.199598,0.070447,0.590914,0.244400,1.517364,0.313949,1.580006,0.205196,1.730529,0.291806,1.472226,0.342047,1.428887,0.186421,-100.000000,-100.000000,0.114246,0.043228,-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,-100,559,559,559,559,559,559,559,559,559,559,559,559,559,-100,559,-100,-100,-100,-100
2001-APR,0.116664,0.063039,0.130628,0.068953,0.163960,0.084397,0.232714,0.118732,0.272064,0.137794,0.329314,0.162087,0.374532,0.179901,1.297670,0.859971,1.116222,0.403702,1.282577,0.288766,1.194230,0.393086,1.085797,0.416880,1.280240,0.242612,-100.000000,-100.000000,0.232714,0.118732,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,21,21,21,21,21,21,21,21,21,21,21,21,21,-100,21,-100,-100,-100,-100,562,565,565,565,565,565,565,565,565,565,565,565,565,-100,565,-100,-100,-100,-100
2001-MAY,0.109060,0.080142,0.133574,0.103925,0.193347,0.162785,0.310797,0.267979,0.375818,0.320667,0.465959,0.382337,0.531968,0.416536,1.487807,0.635626,1.424759,0.368186,1.498849,0.238731,1.477712,0.325152,1.409423,0.396855,1.465297,0.240077,-100.000000,-100.000000,0.310797,0.267979,-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,-100,566,566,566,566,566,566,561,566,566,566,566,566,566,-100,566,-100,-100,-100,-100
2001-JUN,0.117853,0.086099,0.160724,0.116128,0.254356,0.185864,0.431998,0.298180,0.519057,0.349321,0.639958,0.403323,0.722254,0.431971,2.585736,0.736904,1.766107,0.219580,1.562449,0.288067,1.757585,0.234297,1.806823,0.226123,1.465964,0.347140,-100.000000,-100.000000,0.431998,0.298180,-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,-100,664,664,664,664,664,664,659,664,664,664,664,664,664,-100,664,-100,-100,-100,-100
2001-JUL,0.062931,0.037613,0.083567,0.052038,0.130458,0.085448,0.219996,0.144964,0.269060,0.174862,0.343469,0.210747,0.401446,0.236104,2.422129,0.872425,1.664144,0.269094,1.711028,0.254996,1.662301,0.257110,1.675888,0.285655,1.704886,0.339516,-100.000000,-100.000000,0.219996,0.144964,-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,-100,556,556,556,556,556,556,556,556,556,556,556,556,556,-100,556,-100,-100,-100,-100
2001-AUG,0.166199,0.100745,0.230618,0.133705,0.367466,0.204499,0.592150,0.297218,0.695641,0.329546,0.826692,0.357389,0.904235,0.362541,3.046241,0.643550,1.705760,0.215900,1.345251,0.336034,1.603999,0.241252,1.768908,0.212340,1.187265,0.381581,-100.000000,-100.000000,0.592150,0.297218,-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,-100,445,445,445,445,445,445,439,445,445,445,445,445,445,-100,445,-100,-100,-100,-100
2001-SEP,0.056328,0.037370,0.072672,0.050155,0.107679,0.081032,0.182149,0.134796,0.222545,0.161107,0.281104,0.193953,0.328167,0.217453,1.932648,0.620024,1.608062,0.265888,1.688023,0.256007,1.722401,0.225667,1.586549,0.304384,1.666403,0.290978,-100.000000,-100.000000,0.182149,0.134796,-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,-100,569,569,569,569,569,569,569,569,569,569,569,569,569,-100,569,-100,-100,-100,-100
2001-OCT,0.047495,0.025343,0.054258,0.031389,0.075328,0.047721,0.124719,0.084374,0.154765,0.105934,0.201107,0.135551,0.238986,0.159734,1.320539,0.655014,1.471681,0.415298,1.756241,0.222175,1.611779,0.374824,1.421315,0.447447,1.744102,0.177671,-100.000000,-100.000000,0.124719,0.084374,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,26,26,26,26,26,26,26,26,26,26,26,26,26,-100,26,-100,-100,-100,-100,1006,1006,1006,1006,1006,1006,1006,1006,1006,1006,1006,1006,1006,-100,1006,-100,-100,-100,-100
2001-NOV,0.047126,0.029409,0.057717,0.037637,0.085441,0.057966,0.140508,0.095676,0.171800,0.114805,0.214136,0.137675,0.243292,0.153536,1.104071,0.591379,1.631452,0.227694,1.645367,0.270366,1.677566,0.232504,1.618876,0.239539,1.483494,0.282017,-100.000000,-100.000000,0.140508,0.095676,-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,-100,809,810,810,810,810,810,810,810,810,810,810,810,810,-100,810,-100,-100,-100,-100
2001-DEC,0.026653,0.011745,0.032380,0.014841,0.042135,0.022762,0.075444,0.037713,0.096241,0.045746,0.121952,0.055134,0.137960,0.061149,0.822192,0.489627,1.637587,0.159670,1.793511,0.165108,2.008852,0.152354,1.525933,0.211961,1.453468,0.169415,-100.000000,-100.000000,0.075444,0.037713,-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,-100,494,494,494,494,494,494,494,494,494,494,494,494,494,-100,494,-100,-100,-100,-100
2001-YEAR,0.072957,0.043594,0.092034,0.059923,0.134486,0.096851,0.219597,0.156007,0.264419,0.182749,0.326600,0.217356,0.370679,0.238513,1.488919,0.833598,1.544011,0.177065,1.585318,0.160670,1.660566,0.197628,1.519883,0.199587,1.482222,0.169193,-100.000000,-100.000000,0.219597,0.156007,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,-100.000000,265,265,265,265,265,265,265,265,265,265,265,265,265,-100,265,-100,-100,-100,-100,7020,7024,7024,7024,7024,7024,7008,7024,7024,7024,7024,7024,7024,-100,7024,-100,-100,-100,-100