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 ,       0,17.63056,4.770521,4.984906
sgpcmbeC1.c1,2000,03 7:30:00,31 ,0.450505,37.91135,13.41709,8.468693
sgpcmbeC1.c1,2000,03 8:30:00,31 ,2.507636,61.93189,17.26419,15.04347
sgpcmbeC1.c1,2000,03 9:30:00,31 ,0.817852,71.17196, 22.4449,22.18523
sgpcmbeC1.c1,2000,0310:30:00,31 , 0.56161,101.5231,32.62764,28.87971
sgpcmbeC1.c1,2000,0311:30:00,31 ,0.374188,137.6713,48.09556,40.77586
sgpcmbeC1.c1,2000,0312:30:00,31 ,0.462585,98.64445,39.24864,27.24322
sgpcmbeC1.c1,2000,0313:30:00,31 ,0.236681,144.1396,39.99661,35.64017
sgpcmbeC1.c1,2000,0314:30:00,31 ,0.516144,118.3915,40.35498,30.96021
sgpcmbeC1.c1,2000,0315:30:00,31 ,1.128136,103.5703,29.59441,28.13244
sgpcmbeC1.c1,2000,0316:30:00,31 , 1.70086, 52.6506,21.31227,15.47239
sgpcmbeC1.c1,2000,0317:30:00,31 ,2.276608,53.67868,18.97146, 12.2887
sgpcmbeC1.c1,2000,0318:30:00,31 ,1.525803,26.22523,10.17208,5.730846
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