datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,02 0:30:00,28 ,       0,0.725051,0.130139,0.168482
twpcmbeC1.c1,1999,02 1:30:00,28 ,       0, 0.47934,0.101654,0.136957
twpcmbeC1.c1,1999,02 2:30:00,28 ,       0,0.322293,0.055532,0.099807
twpcmbeC1.c1,1999,02 3:30:00,28 ,       0,0.299104,0.023267,  0.0637
twpcmbeC1.c1,1999,02 4:30:00,28 ,       0,0.346335, 0.03285,0.081745
twpcmbeC1.c1,1999,02 5:30:00,28 ,       0,0.278935,0.018537,0.068267
twpcmbeC1.c1,1999,02 6:30:00,28 ,2.082479, 41.6687, 18.8378,9.566464
twpcmbeC1.c1,1999,02 7:30:00,28 ,5.589961,124.3193,57.55855,34.91073
twpcmbeC1.c1,1999,02 8:30:00,28 ,4.401713,176.2658,84.75679,48.30402
twpcmbeC1.c1,1999,02 9:30:00,28 , 7.36881,348.8086, 127.932,86.29616
twpcmbeC1.c1,1999,0210:30:00,27 ,5.969656,343.1996,157.7102,106.9589
twpcmbeC1.c1,1999,0211:30:00,27 ,10.34022,402.5096,146.1447,118.3545
twpcmbeC1.c1,1999,0212:30:00,27 ,5.772165,413.0363, 132.933,120.7382
twpcmbeC1.c1,1999,0213:30:00,27 ,  10.696,421.7585,134.5584, 107.141
twpcmbeC1.c1,1999,0214:30:00,28 ,3.554745, 353.433,131.5979,97.00972
twpcmbeC1.c1,1999,0215:30:00,28 , 11.2644,238.0206,90.31082, 58.9161
twpcmbeC1.c1,1999,0216:30:00,28 ,5.060897,175.6924,80.62766,49.00073
twpcmbeC1.c1,1999,0217:30:00,28 , 5.82338, 91.3717,44.64409,28.94665
twpcmbeC1.c1,1999,0218:30:00,28 , 0.84159,20.80554,11.24791,4.660831
twpcmbeC1.c1,1999,0219:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0220:30:00,28 ,       0,0.224426,0.013763,0.046515
twpcmbeC1.c1,1999,0221:30:00,28 ,       0,0.310725,0.051308,0.093462
twpcmbeC1.c1,1999,0222:30:00,28 ,       0, 0.36526,0.079003,0.127976
twpcmbeC1.c1,1999,0223:30:00,28 ,       0,0.486165,0.089388,0.135128