datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 6:30:00,31 ,       0,17.71571,3.839554,5.198649
sgpcmbeC1.c1,2000,03 7:30:00,31 , 0.05816,111.0924,36.03363,23.83212
sgpcmbeC1.c1,2000,03 8:30:00,31 ,2.277429, 244.296,79.84837,50.47547
sgpcmbeC1.c1,2000,03 9:30:00,31 ,38.86135,322.3556, 112.752,66.82634
sgpcmbeC1.c1,2000,0310:30:00,31 ,35.06704,304.7282,137.9621,79.28582
sgpcmbeC1.c1,2000,0311:30:00,31 ,50.58664,415.3945,201.5656,115.8773
sgpcmbeC1.c1,2000,0312:30:00,31 ,28.84134,453.4413, 190.567,120.7453
sgpcmbeC1.c1,2000,0313:30:00,31 , 30.7624,409.4095,195.1713,  117.93
sgpcmbeC1.c1,2000,0314:30:00,31 ,34.53008,391.1487,183.0346, 105.654
sgpcmbeC1.c1,2000,0315:30:00,31 , 12.9564,315.1474,148.6683,90.32336
sgpcmbeC1.c1,2000,0316:30:00,31 ,18.23032,209.1855, 104.381,62.20207
sgpcmbeC1.c1,2000,0317:30:00,31 ,8.274541,109.4741,57.96876,28.19634
sgpcmbeC1.c1,2000,0318:30:00,31 ,0.539058,24.39885,10.88275,7.224473
sgpcmbeC1.c1,2000,0319:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0320:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0321:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0322:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0323:30:00,31 ,       0,       0,       0,       0