datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,15 ,       0,73.31461,8.061155,18.62527
sgpcmbeC1.c1,2001,08 1:30:00,15 ,       0,18.52373, 4.14064,6.581268
sgpcmbeC1.c1,2001,08 2:30:00,15 ,       0, 33.5525,5.859564,10.62142
sgpcmbeC1.c1,2001,08 3:30:00,15 ,       0,49.92959, 6.72727,13.43355
sgpcmbeC1.c1,2001,08 4:30:00,15 ,       0,17.54469,3.857382,5.651421
sgpcmbeC1.c1,2001,08 5:30:00,15 ,       0,9.833969,3.078625, 3.68095
sgpcmbeC1.c1,2001,08 6:30:00,15 ,       0,47.80512,7.397963,14.04361
sgpcmbeC1.c1,2001,08 7:30:00,15 ,       0,76.26291,7.704678,19.53921
sgpcmbeC1.c1,2001,08 8:30:00,16 ,       0,17.28226,2.239391,4.809557
sgpcmbeC1.c1,2001,08 9:30:00,16 ,       0,18.79065,3.399587,5.681765
sgpcmbeC1.c1,2001,0810:30:00,16 ,       0,17.36962,4.921369,6.079712
sgpcmbeC1.c1,2001,0811:30:00,17 ,       0,189.3339,14.98481,45.26712
sgpcmbeC1.c1,2001,0812:30:00,16 ,       0,51.49445,8.716523,12.97485
sgpcmbeC1.c1,2001,0813:30:00,17 ,       0,15.56676,4.445632,5.514481
sgpcmbeC1.c1,2001,0814:30:00,15 ,       0, 21.6749,3.583015,6.070515
sgpcmbeC1.c1,2001,0815:30:00,16 ,       0,27.87261,4.576457,8.302713
sgpcmbeC1.c1,2001,0816:30:00,15 ,       0,29.27677,4.443964,8.360482
sgpcmbeC1.c1,2001,0817:30:00,15 ,       0,67.18204,7.039586,17.15727
sgpcmbeC1.c1,2001,0818:30:00,17 ,       0,131.1594, 9.73943,31.50238
sgpcmbeC1.c1,2001,0819:30:00,16 ,       0,131.9868,10.42631,32.64322
sgpcmbeC1.c1,2001,0820:30:00,17 ,       0, 14.1731,2.083613,3.966983
sgpcmbeC1.c1,2001,0821:30:00,17 ,       0,13.73402,2.467371,4.379285
sgpcmbeC1.c1,2001,0822:30:00,18 ,       0,26.48012,4.835983,8.229264
sgpcmbeC1.c1,2001,0823:30:00,16 ,       0,24.05656,6.026981,8.399634