datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,08 0:30:00,22 ,       0,257.3347,21.10218, 57.5834
sgpcmbeC1.c1,2003,08 1:30:00,22 ,       0,261.4675,19.85991,56.37887
sgpcmbeC1.c1,2003,08 2:30:00,21 ,       0,470.0244,40.51022,118.9335
sgpcmbeC1.c1,2003,08 3:30:00,22 ,       0,235.5066,32.73403,76.69063
sgpcmbeC1.c1,2003,08 4:30:00,21 ,       0,349.7227,28.08083,78.70058
sgpcmbeC1.c1,2003,08 5:30:00,22 ,       0, 200.221,31.76758,63.29558
sgpcmbeC1.c1,2003,08 6:30:00,22 ,       0,385.9422, 40.7868,95.82412
sgpcmbeC1.c1,2003,08 7:30:00,22 ,       0,501.7155,38.81232,117.5283
sgpcmbeC1.c1,2003,08 8:30:00,23 ,       0,630.6625,30.03057,130.9967
sgpcmbeC1.c1,2003,08 9:30:00,23 ,       0,532.5379,34.85857,115.3098
sgpcmbeC1.c1,2003,0810:30:00,23 ,       0,228.4241,20.98492,57.18141
sgpcmbeC1.c1,2003,0811:30:00,23 ,       0,334.9392,21.84424,69.81725
sgpcmbeC1.c1,2003,0812:30:00,23 ,       0,237.8858, 17.9761,53.66757
sgpcmbeC1.c1,2003,0813:30:00,22 ,       0,401.8206,33.02682,96.84382
sgpcmbeC1.c1,2003,0814:30:00,22 ,       0,597.4725,33.19937,126.5928
sgpcmbeC1.c1,2003,0815:30:00,22 ,       0,1432.451,77.14978,303.6921
sgpcmbeC1.c1,2003,0816:30:00,22 ,       0,1236.369,62.32713,262.7403
sgpcmbeC1.c1,2003,0817:30:00,22 ,       0,656.0124,33.37266,139.6039
sgpcmbeC1.c1,2003,0818:30:00,23 ,       0,429.5581,32.84509,102.7254
sgpcmbeC1.c1,2003,0819:30:00,22 ,       0,493.9684,38.14886,121.3962
sgpcmbeC1.c1,2003,0820:30:00,22 ,       0,514.4474,44.96048,140.2232
sgpcmbeC1.c1,2003,0821:30:00,22 ,       0, 259.575,21.57386, 59.4024
sgpcmbeC1.c1,2003,0822:30:00,22 ,       0,316.8624,29.88924,77.00636
sgpcmbeC1.c1,2003,0823:30:00,22 ,       0,374.7291,46.89304,104.3285