datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,30 ,       0,244.8771,13.29519,44.73551
sgpcmbeC1.c1,2002,08 1:30:00,29 ,       0,168.2876,9.099878, 31.0814
sgpcmbeC1.c1,2002,08 2:30:00,29 ,       0,105.3293,11.99942,23.11218
sgpcmbeC1.c1,2002,08 3:30:00,28 ,       0,210.3323,19.20657,46.37925
sgpcmbeC1.c1,2002,08 4:30:00,29 ,       0,263.6277,22.48057,56.58661
sgpcmbeC1.c1,2002,08 5:30:00,29 ,       0,323.3862,19.84664,60.58573
sgpcmbeC1.c1,2002,08 6:30:00,29 ,       0,560.8271,35.98213,116.2475
sgpcmbeC1.c1,2002,08 7:30:00,27 ,       0,39.05944,4.037516,8.301224
sgpcmbeC1.c1,2002,08 8:30:00,27 ,       0,18.64073,4.853893,6.271587
sgpcmbeC1.c1,2002,08 9:30:00,30 ,       0,169.1163,12.40201,31.16961
sgpcmbeC1.c1,2002,0810:30:00,30 ,       0,282.5221,16.23073,51.53188
sgpcmbeC1.c1,2002,0811:30:00,29 ,       0,111.2318,11.77891,21.54193
sgpcmbeC1.c1,2002,0812:30:00,30 ,       0, 212.796,20.36921,43.82704
sgpcmbeC1.c1,2002,0813:30:00,30 ,       0,125.2373,11.38417,23.48213
sgpcmbeC1.c1,2002,0814:30:00,30 ,       0,227.6504,14.45873,41.50261
sgpcmbeC1.c1,2002,0815:30:00,30 ,       0,307.2463,17.17667,55.51118
sgpcmbeC1.c1,2002,0816:30:00,30 ,       0,228.6484,14.06481,41.45509
sgpcmbeC1.c1,2002,0817:30:00,30 ,       0,357.8062,18.13391, 64.5414
sgpcmbeC1.c1,2002,0818:30:00,30 ,       0,40.11373,8.245039,10.88485
sgpcmbeC1.c1,2002,0819:30:00,30 ,       0,34.14237, 7.92764,9.947124
sgpcmbeC1.c1,2002,0820:30:00,30 ,       0,62.97507,8.480403,12.58938
sgpcmbeC1.c1,2002,0821:30:00,30 ,       0,75.78738, 8.23447,16.81962
sgpcmbeC1.c1,2002,0822:30:00,30 ,       0,148.4008,10.46317,29.14023
sgpcmbeC1.c1,2002,0823:30:00,30 ,       0,326.4698,19.10545,61.23332