datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,04 0:30:00,19 ,       0,1.030432,0.192577,0.288809
sgpcmbeC1.c1,1999,04 1:30:00,19 ,       0, 0.83364,0.178569,0.264452
sgpcmbeC1.c1,1999,04 2:30:00,19 ,       0,2.641623,  0.2605,0.608578
sgpcmbeC1.c1,1999,04 3:30:00,19 ,       0,1.491803,0.207825,0.379347
sgpcmbeC1.c1,1999,04 4:30:00,19 ,       0,1.514917,0.193318,0.366793
sgpcmbeC1.c1,1999,04 5:30:00,19 ,0.006359,1.517022,0.605148,0.414468
sgpcmbeC1.c1,1999,04 6:30:00,19 ,3.017184,84.09132,43.09881,26.09198
sgpcmbeC1.c1,1999,04 7:30:00,19 ,27.04692,287.3037, 174.116,85.72863
sgpcmbeC1.c1,1999,04 8:30:00,18 ,32.90699,498.1715,347.6543,158.5865
sgpcmbeC1.c1,1999,04 9:30:00,18 ,36.78609,686.5905,531.2713,200.1904
sgpcmbeC1.c1,1999,0410:30:00,18 ,65.16575,834.5432,626.5847,261.5021
sgpcmbeC1.c1,1999,0411:30:00,18 , 32.4486,928.8976,728.3399,265.5032
sgpcmbeC1.c1,1999,0412:30:00,18 ,175.6662,959.5223,741.7293,254.6221
sgpcmbeC1.c1,1999,0413:30:00,18 ,65.97009,936.4108,690.5332,294.9296
sgpcmbeC1.c1,1999,0414:30:00,18 ,33.79174,825.4177,603.8157, 252.345
sgpcmbeC1.c1,1999,0415:30:00,18 ,16.52431, 679.421,492.1666,182.0945
sgpcmbeC1.c1,1999,0416:30:00,18 ,15.59052,490.4815,358.6456,136.3878
sgpcmbeC1.c1,1999,0417:30:00,18 ,17.95016,280.1759,185.9968,85.52424
sgpcmbeC1.c1,1999,0418:30:00,18 ,3.368768,84.25906,47.10894,25.37777
sgpcmbeC1.c1,1999,0419:30:00,18 ,       0,1.934703, 0.85286,0.578511
sgpcmbeC1.c1,1999,0420:30:00,18 ,       0,0.701336,0.137517, 0.21479
sgpcmbeC1.c1,1999,0421:30:00,18 ,       0,0.931513,0.267803,0.275701
sgpcmbeC1.c1,1999,0422:30:00,18 ,       0,0.635278,0.232094,0.231885
sgpcmbeC1.c1,1999,0423:30:00,18 ,       0, 1.06674,0.218962,0.348076