datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,02 0:30:00,26 ,       0,1.547738,0.152638,0.327585
sgpcmbeC1.c1,1999,02 1:30:00,25 ,       0,1.329006,0.133914, 0.30064
sgpcmbeC1.c1,1999,02 2:30:00,23 ,       0,0.932414,0.135491,0.281781
sgpcmbeC1.c1,1999,02 3:30:00,25 ,       0,0.621317, 0.15116,0.224743
sgpcmbeC1.c1,1999,02 4:30:00,26 ,       0, 0.48992,0.084467,0.129906
sgpcmbeC1.c1,1999,02 5:30:00,26 ,       0,0.835252,0.131275,0.248879
sgpcmbeC1.c1,1999,02 6:30:00,26 ,       0,0.489388,0.109963,0.123158
sgpcmbeC1.c1,1999,02 7:30:00,26 , 0.15113,41.58169,9.777179,11.79837
sgpcmbeC1.c1,1999,02 8:30:00,26 ,0.023026,212.2043,84.33011,75.07172
sgpcmbeC1.c1,1999,02 9:30:00,26 , 0.12756,399.7371,190.4458,151.2444
sgpcmbeC1.c1,1999,0210:30:00,26 ,   0.333,555.2838,297.0166,213.6505
sgpcmbeC1.c1,1999,0211:30:00,26 ,0.640854,657.2799,367.3717,247.0757
sgpcmbeC1.c1,1999,0212:30:00,26 ,0.184738,699.2151,405.7298,247.2268
sgpcmbeC1.c1,1999,0213:30:00,26 ,0.270401,673.8766,396.7642,234.4434
sgpcmbeC1.c1,1999,0214:30:00,26 ,0.015671,587.2866,352.9736,205.6237
sgpcmbeC1.c1,1999,0215:30:00,26 ,0.007889,450.4929,269.5094,145.9393
sgpcmbeC1.c1,1999,0216:30:00,26 ,0.025112,277.1765,143.2807,92.20479
sgpcmbeC1.c1,1999,0217:30:00,26 ,0.467567,97.85521,37.85049,30.74757
sgpcmbeC1.c1,1999,0218:30:00,26 ,0.000896,3.097498,0.968484,0.839693
sgpcmbeC1.c1,1999,0219:30:00,26 ,       0,0.782571,0.216998, 0.22378
sgpcmbeC1.c1,1999,0220:30:00,26 ,       0,0.755503,0.122764,0.185229
sgpcmbeC1.c1,1999,0221:30:00,26 ,       0,1.241455,0.168568,0.289773
sgpcmbeC1.c1,1999,0222:30:00,26 ,       0,1.325925,0.264525,0.372874
sgpcmbeC1.c1,1999,0223:30:00,26 ,       0,1.501803,0.158638,0.332393