datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,02 0:30:00,25 ,0.272722,2.402485,1.091932,0.569146
sgpcmbeC1.c1,1999,02 1:30:00,25 ,0.223582,2.471574,1.092213,0.569639
sgpcmbeC1.c1,1999,02 2:30:00,26 ,0.146877,2.738311,1.109255,0.599472
sgpcmbeC1.c1,1999,02 3:30:00,26 , 0.13379,2.806568,1.073543,0.585844
sgpcmbeC1.c1,1999,02 4:30:00,26 ,0.134684,2.716236,1.045586,0.563276
sgpcmbeC1.c1,1999,02 5:30:00,26 ,0.155577,2.632577,1.035457,0.562226
sgpcmbeC1.c1,1999,02 6:30:00,26 ,0.213264, 2.14675,0.997527,0.499682
sgpcmbeC1.c1,1999,02 7:30:00,25 ,0.252329,2.045615,0.921218,0.435026
sgpcmbeC1.c1,1999,02 8:30:00,25 ,0.259223,2.134144,0.900149,0.450001
sgpcmbeC1.c1,1999,02 9:30:00,25 ,0.265317,2.107225,0.885299,0.436168
sgpcmbeC1.c1,1999,0210:30:00,26 ,0.267743,2.203912,0.898874,0.450387
sgpcmbeC1.c1,1999,0211:30:00,25 ,0.308865,2.590719,0.935906, 0.47929
sgpcmbeC1.c1,1999,0212:30:00,24 ,0.309561,2.643903,0.949613,0.491317
sgpcmbeC1.c1,1999,0213:30:00,22 ,0.379091,2.652367,1.002436,0.507295
sgpcmbeC1.c1,1999,0214:30:00,21 ,0.457211,2.632217,1.025533,0.503808
sgpcmbeC1.c1,1999,0215:30:00,20 ,0.550771,2.575449,1.075313,0.488043
sgpcmbeC1.c1,1999,0216:30:00,21 ,0.545526,2.788402,1.092155,0.520928
sgpcmbeC1.c1,1999,0217:30:00,21 ,0.566253,3.040605,1.127897,0.558369
sgpcmbeC1.c1,1999,0218:30:00,26 ,0.349815,3.059446,1.028584,0.565776
sgpcmbeC1.c1,1999,0219:30:00,26 ,0.216186,2.944854,1.044971,0.578822
sgpcmbeC1.c1,1999,0220:30:00,26 ,0.200764,2.651797, 1.06343,0.579131
sgpcmbeC1.c1,1999,0221:30:00,26 ,0.216201, 2.83331,1.104209,0.639763
sgpcmbeC1.c1,1999,0222:30:00,26 ,0.233394, 3.00589,1.135256,0.677374
sgpcmbeC1.c1,1999,0223:30:00,25 ,0.264861,2.707848,1.092546,0.600264