datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 5:30:00,31 ,       0,4.277145,1.197018,1.313334
sgpcmbeC1.c1,2002,08 6:30:00,31 ,       0,60.74439,37.74015,17.56358
sgpcmbeC1.c1,2002,08 7:30:00,31 ,       0,199.5177,105.3025, 48.5964
sgpcmbeC1.c1,2002,08 8:30:00,31 ,2.797596,298.3723,157.0835,78.41639
sgpcmbeC1.c1,2002,08 9:30:00,31 ,10.35845,386.4786,191.4653,88.54654
sgpcmbeC1.c1,2002,0810:30:00,31 ,32.47882,466.3048,225.5532,101.6888
sgpcmbeC1.c1,2002,0811:30:00,31 ,47.43396, 508.506,243.6234,108.9943
sgpcmbeC1.c1,2002,0812:30:00,31 ,66.59024, 524.267,263.8215,122.1724
sgpcmbeC1.c1,2002,0813:30:00,31 ,65.09573,466.2359,261.8138,104.2946
sgpcmbeC1.c1,2002,0814:30:00,31 ,38.31109,415.9591,239.3311,93.87337
sgpcmbeC1.c1,2002,0815:30:00,31 , 17.0293,364.7637,193.7203,70.10842
sgpcmbeC1.c1,2002,0816:30:00,31 ,38.26599,273.3392,158.1884,51.82513
sgpcmbeC1.c1,2002,0817:30:00,31 ,30.78553,188.2363,107.1684,39.98204
sgpcmbeC1.c1,2002,0818:30:00,31 ,23.84211,96.86583,50.84675,17.61271
sgpcmbeC1.c1,2002,0819:30:00,31 ,       0,16.03864,3.927974,4.333472
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,       0,       0,       0