datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,28 ,       0,133.4385,21.54011,36.01669
sgpcmbeC1.c1,2002,12 1:30:00,28 ,0.031646,155.7035,21.37591,39.54636
sgpcmbeC1.c1,2002,12 2:30:00,28 ,       0,104.3369,18.17988,32.61381
sgpcmbeC1.c1,2002,12 3:30:00,28 ,       0,120.0274,19.31625,33.96248
sgpcmbeC1.c1,2002,12 4:30:00,28 ,       0,155.1538,18.74267,35.97577
sgpcmbeC1.c1,2002,12 5:30:00,28 ,       0,148.2706,19.55655, 33.8161
sgpcmbeC1.c1,2002,12 6:30:00,26 ,       0,86.08887,17.18548,24.60814
sgpcmbeC1.c1,2002,12 7:30:00,26 ,       0,118.8562,19.01914,33.98597
sgpcmbeC1.c1,2002,12 8:30:00,25 ,       0,147.3346,18.29173,37.10308
sgpcmbeC1.c1,2002,12 9:30:00,28 ,       0,122.5564,17.95273,34.04374
sgpcmbeC1.c1,2002,1210:30:00,28 ,       0,106.1675,13.37043,27.19099
sgpcmbeC1.c1,2002,1211:30:00,28 ,       0,113.4812,16.02662, 29.0062
sgpcmbeC1.c1,2002,1212:30:00,28 ,       0,206.2119,26.52003,51.98278
sgpcmbeC1.c1,2002,1213:30:00,28 ,0.058644,366.3961,28.15876,70.15365
sgpcmbeC1.c1,2002,1214:30:00,26 ,0.078776,124.8871,16.02711,26.37305
sgpcmbeC1.c1,2002,1215:30:00,26 ,0.018549,277.3496, 26.2682,57.74396
sgpcmbeC1.c1,2002,1216:30:00,26 ,0.374899,175.2996,19.49418,37.68696
sgpcmbeC1.c1,2002,1217:30:00,26 ,0.445897,134.3279, 19.7369,33.01842
sgpcmbeC1.c1,2002,1218:30:00,27 ,0.429677,159.5658,20.25457,37.12068
sgpcmbeC1.c1,2002,1219:30:00,27 , 0.20469,359.2181,27.78255,71.03716
sgpcmbeC1.c1,2002,1220:30:00,28 ,0.335332,265.4644, 37.9455,73.64886
sgpcmbeC1.c1,2002,1221:30:00,28 ,0.110064,333.9322,31.10459,67.71592
sgpcmbeC1.c1,2002,1222:30:00,28 ,   0.117,315.6985, 24.5307,60.31889
sgpcmbeC1.c1,2002,1223:30:00,28 ,0.033116,138.2207,22.34943,38.00142