datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,06 0:30:00,29 ,       0,  0.0145,0.001109,0.003234
twpcmbeC1.c1,2002,06 1:30:00,29 ,       0,   0.013, 0.00146, 0.00356
twpcmbeC1.c1,2002,06 2:30:00,30 ,       0,   0.009,0.001183,0.002601
twpcmbeC1.c1,2002,06 3:30:00,30 ,       0,0.019167, 0.00089,0.003596
twpcmbeC1.c1,2002,06 4:30:00,30 ,       0,0.003171,0.000126,0.000586
twpcmbeC1.c1,2002,06 5:30:00,30 ,       0,0.044333,0.004727,0.010635
twpcmbeC1.c1,2002,06 6:30:00,30 ,2.268621,51.61733,20.57241,10.91925
twpcmbeC1.c1,2002,06 7:30:00,30 ,12.29206,168.3976,91.01076,39.21788
twpcmbeC1.c1,2002,06 8:30:00,30 ,25.73971,283.8466,160.1079,68.52154
twpcmbeC1.c1,2002,06 9:30:00,30 ,23.29746,380.8594, 218.055,98.41182
twpcmbeC1.c1,2002,0610:30:00,30 ,18.38781, 495.595,264.1797,114.2325
twpcmbeC1.c1,2002,0611:30:00,30 ,53.27872,526.6749,278.6717,129.3582
twpcmbeC1.c1,2002,0612:30:00,30 , 12.3493,537.0579,286.9398, 119.494
twpcmbeC1.c1,2002,0613:30:00,30 ,33.24961,517.3416,276.0765, 121.128
twpcmbeC1.c1,2002,0614:30:00,30 ,48.87408,473.8301,234.5552,115.8671
twpcmbeC1.c1,2002,0615:30:00,30 ,36.33594,332.8758,160.9072,73.09534
twpcmbeC1.c1,2002,0616:30:00,30 ,4.475534,214.0746,100.5827,48.16323
twpcmbeC1.c1,2002,0617:30:00,30 ,1.292971,87.17901,41.85229, 20.2102
twpcmbeC1.c1,2002,0618:30:00,30 ,       0,2.900759,1.316712,0.823771
twpcmbeC1.c1,2002,0619:30:00,30 ,       0,0.016207, 0.00054,0.002959
twpcmbeC1.c1,2002,0620:30:00,30 ,       0,0.019231,0.001147,0.003929
twpcmbeC1.c1,2002,0621:30:00,30 ,       0,0.005882,0.000446,0.001437
twpcmbeC1.c1,2002,0622:30:00,29 ,       0,0.016167,0.001029,0.003251
twpcmbeC1.c1,2002,0623:30:00,29 ,       0,  0.0045,0.000362, 0.00111