datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,11 0:30:00,28 ,       0, 1.64397, 0.26863,0.416211
sgpcmbeC1.c1,1998,11 1:30:00,27 ,       0,0.650964, 0.16006,0.214986
sgpcmbeC1.c1,1998,11 2:30:00,28 ,       0,1.080208,0.218681,0.313089
sgpcmbeC1.c1,1998,11 3:30:00,29 ,       0, 1.00036,0.253357, 0.30664
sgpcmbeC1.c1,1998,11 4:30:00,29 ,       0,1.533254,0.278116,0.394095
sgpcmbeC1.c1,1998,11 5:30:00,29 ,       0,1.698362,0.268303,0.440186
sgpcmbeC1.c1,1998,11 6:30:00,29 ,       0,1.660957, 0.42459,0.413958
sgpcmbeC1.c1,1998,11 7:30:00,29 ,4.299344,64.59273,26.03312,15.88641
sgpcmbeC1.c1,1998,11 8:30:00,29 ,10.23407, 260.058,130.7414,70.36961
sgpcmbeC1.c1,1998,11 9:30:00,29 ,27.47494,407.2121,246.4121,125.3087
sgpcmbeC1.c1,1998,1110:30:00,29 ,36.44202,535.1846,331.8755,176.4903
sgpcmbeC1.c1,1998,1111:30:00,29 ,45.68559,610.3303,371.1494,210.6413
sgpcmbeC1.c1,1998,1112:30:00,29 ,47.47404,626.0806, 381.568,221.3566
sgpcmbeC1.c1,1998,1113:30:00,29 ,49.37021,578.0977,352.9277,197.6643
sgpcmbeC1.c1,1998,1114:30:00,29 ,53.65109, 470.695,292.1166,152.8803
sgpcmbeC1.c1,1998,1115:30:00,29 ,32.47575,316.6222,195.4998,100.8995
sgpcmbeC1.c1,1998,1116:30:00,29 ,13.37865,136.0388,73.91185,41.98614
sgpcmbeC1.c1,1998,1117:30:00,30 ,0.046817,10.66082,4.370383,2.859094
sgpcmbeC1.c1,1998,1118:30:00,29 ,0.001427,2.704768,0.417498,0.523719
sgpcmbeC1.c1,1998,1119:30:00,29 ,0.004719,  1.4371,0.407386,0.402183
sgpcmbeC1.c1,1998,1120:30:00,29 ,       0,1.576381,0.418187,0.471525
sgpcmbeC1.c1,1998,1121:30:00,29 ,       0,1.373264,0.287046, 0.36467
sgpcmbeC1.c1,1998,1122:30:00,29 ,       0,1.385396,0.364008,0.440067
sgpcmbeC1.c1,1998,1123:30:00,28 ,       0,1.164376,0.281112,0.317501