datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,26 ,       0,1.200926,0.061842,0.240518
sgpcmbeC1.c1,2006,04 1:30:00,25 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,04 2:30:00,26 ,       0,2.649905,0.159554,0.555463
sgpcmbeC1.c1,2006,04 3:30:00,26 ,       0,1.761467,0.166737, 0.47768
sgpcmbeC1.c1,2006,04 4:30:00,26 ,       0,2.879686,0.202248,0.692646
sgpcmbeC1.c1,2006,04 5:30:00,29 ,       0,3.572664,0.326631,0.845661
sgpcmbeC1.c1,2006,04 6:30:00,30 ,       0,75.94367,19.25856,21.92813
sgpcmbeC1.c1,2006,04 7:30:00,30 ,       0, 247.943,106.5351,92.94887
sgpcmbeC1.c1,2006,04 8:30:00,30 ,0.066628,433.1317,225.2882,175.0466
sgpcmbeC1.c1,2006,04 9:30:00,30 ,0.084702,604.3724,335.4924,243.1749
sgpcmbeC1.c1,2006,0410:30:00,30 ,0.011131,745.0089,422.0202,291.7366
sgpcmbeC1.c1,2006,0411:30:00,30 ,0.084145,827.2095,459.5015,320.4406
sgpcmbeC1.c1,2006,0412:30:00,29 ,0.043728,861.4697,558.6293,332.9339
sgpcmbeC1.c1,2006,0413:30:00,30 ,0.127922,838.8636,537.8332,314.1383
sgpcmbeC1.c1,2006,0414:30:00,30 ,0.104851,747.3525,444.8271,296.6728
sgpcmbeC1.c1,2006,0415:30:00,30 ,0.187733,596.4758,352.3462,241.1057
sgpcmbeC1.c1,2006,0416:30:00,30 ,0.000897,417.7183,230.6512,164.2737
sgpcmbeC1.c1,2006,0417:30:00,30 ,       0, 223.146,115.1279,87.34571
sgpcmbeC1.c1,2006,0418:30:00,30 ,       0,54.57369,21.70182, 19.9164
sgpcmbeC1.c1,2006,0419:30:00,29 ,       0,2.483394, 0.37715,0.663001
sgpcmbeC1.c1,2006,0420:30:00,29 ,       0,2.486382,0.169786,0.551414
sgpcmbeC1.c1,2006,0421:30:00,28 ,       0,2.532606,0.105281,0.480549
sgpcmbeC1.c1,2006,0422:30:00,27 ,       0,3.408291,0.307248, 0.85311
sgpcmbeC1.c1,2006,0423:30:00,27 ,       0,3.195622,0.120508,0.614669