datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,07 0:30:00,28 ,2.822251,4.987148,3.955654, 0.67136
sgpcmbeC1.c1,2002,07 1:30:00,29 ,2.740067,5.382247, 3.97029,0.695431
sgpcmbeC1.c1,2002,07 2:30:00,29 ,2.648015,5.086698,3.983713,0.651059
sgpcmbeC1.c1,2002,07 3:30:00,29 ,2.645813,4.918147,3.996078,0.636065
sgpcmbeC1.c1,2002,07 4:30:00,30 ,2.633438,4.819876,3.982104,0.605135
sgpcmbeC1.c1,2002,07 5:30:00,30 ,2.716538, 4.88301,3.955928,0.603308
sgpcmbeC1.c1,2002,07 6:30:00,29 ,2.727149,4.882566,3.905844,0.592309
sgpcmbeC1.c1,2002,07 7:30:00,30 ,2.614062,4.817394,3.916748,0.602995
sgpcmbeC1.c1,2002,07 8:30:00,30 ,2.545012, 5.07895,3.965798,0.679261
sgpcmbeC1.c1,2002,07 9:30:00,30 ,2.642965,5.243701,3.969592,0.674621
sgpcmbeC1.c1,2002,0710:30:00,30 ,2.671789,5.218984,3.983646,0.684803
sgpcmbeC1.c1,2002,0711:30:00,29 , 2.71721,5.151455,3.946969,0.665414
sgpcmbeC1.c1,2002,0712:30:00,29 ,2.721051,5.274899,3.985766,0.688112
sgpcmbeC1.c1,2002,0713:30:00,29 ,2.722427,5.474657, 4.01866,0.694489
sgpcmbeC1.c1,2002,0714:30:00,29 ,2.756716, 5.30792,4.017239,0.709547
sgpcmbeC1.c1,2002,0715:30:00,30 ,2.698082,5.323424,4.019192,0.738917
sgpcmbeC1.c1,2002,0716:30:00,30 ,2.636203,5.198433,4.020961,0.707022
sgpcmbeC1.c1,2002,0717:30:00,30 ,2.653192,5.306469,4.059884,0.728249
sgpcmbeC1.c1,2002,0718:30:00,29 ,2.834809,5.447446,3.993491, 0.66489
sgpcmbeC1.c1,2002,0719:30:00,30 ,2.737453,5.259348,4.045977, 0.71652
sgpcmbeC1.c1,2002,0720:30:00,30 ,2.731594,5.441607,4.047227,0.742058
sgpcmbeC1.c1,2002,0721:30:00,30 ,2.740321,5.584991,4.034423,0.759218
sgpcmbeC1.c1,2002,0722:30:00,30 ,2.838928,5.837152,4.064002,0.811386
sgpcmbeC1.c1,2002,0723:30:00,29 ,2.831498,5.774961,4.002011, 0.76053