datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,08 0:30:00,28 ,       0,165.0362,28.22293,49.43662
sgpcmbeC1.c1,2006,08 1:30:00,27 ,       0,206.9645,28.96785,59.13635
sgpcmbeC1.c1,2006,08 2:30:00,28 ,       0, 209.743,30.23101,56.86435
sgpcmbeC1.c1,2006,08 3:30:00,28 ,       0,194.5513,35.65236,60.57196
sgpcmbeC1.c1,2006,08 4:30:00,28 ,       0,103.1548,24.65559, 31.7204
sgpcmbeC1.c1,2006,08 5:30:00,28 ,       0,225.4368,36.04036,62.61898
sgpcmbeC1.c1,2006,08 6:30:00,28 ,       0,184.5775,37.62097,57.75276
sgpcmbeC1.c1,2006,08 7:30:00,27 ,       0,173.6637,17.89704,36.65211
sgpcmbeC1.c1,2006,08 8:30:00,29 ,       0,146.4775,16.43873,31.90107
sgpcmbeC1.c1,2006,08 9:30:00,29 ,       0,193.3411,26.27541,58.45554
sgpcmbeC1.c1,2006,0810:30:00,29 ,       0,253.2287,20.28326,53.83061
sgpcmbeC1.c1,2006,0811:30:00,29 ,       0,216.0447,30.64221, 59.9885
sgpcmbeC1.c1,2006,0812:30:00,29 ,       0,107.9751,21.07549,32.24939
sgpcmbeC1.c1,2006,0813:30:00,29 ,       0,130.5913,20.86552,34.01992
sgpcmbeC1.c1,2006,0814:30:00,29 ,       0,151.2457,26.55616,40.06967
sgpcmbeC1.c1,2006,0815:30:00,28 ,       0,113.3274,24.62922,31.08294
sgpcmbeC1.c1,2006,0816:30:00,28 ,       0,135.0955,17.86397,31.39015
sgpcmbeC1.c1,2006,0817:30:00,28 ,       0,80.02277,9.919496,17.16996
sgpcmbeC1.c1,2006,0818:30:00,28 ,       0,172.6022,11.73572,32.85624
sgpcmbeC1.c1,2006,0819:30:00,28 ,       0,236.2988,15.90115,47.21218
sgpcmbeC1.c1,2006,0820:30:00,28 ,       0, 153.587,21.95692,49.68859
sgpcmbeC1.c1,2006,0821:30:00,28 ,       0,230.9048,28.68447,55.60902
sgpcmbeC1.c1,2006,0822:30:00,27 ,       0,202.9484,22.11169,52.73663
sgpcmbeC1.c1,2006,0823:30:00,27 ,       0,159.9029, 24.0569,45.89874