datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,08 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,08 5:30:00,30 ,       0,10.74173,2.758548,2.384069
sgpcmbeC1.c1,1999,08 6:30:00,30 ,2.314517,52.79016,33.77778,16.49824
sgpcmbeC1.c1,1999,08 7:30:00,30 , 1.39038,113.9769,55.05126,27.07196
sgpcmbeC1.c1,1999,08 8:30:00,29 ,8.861322,195.3465,70.65097, 38.2286
sgpcmbeC1.c1,1999,08 9:30:00,30 ,25.85887,219.6618,78.07844, 52.8234
sgpcmbeC1.c1,1999,0810:30:00,30 ,32.76597,232.5466,70.23157,57.82955
sgpcmbeC1.c1,1999,0811:30:00,30 ,16.30251,261.8027, 86.9999, 87.2974
sgpcmbeC1.c1,1999,0812:30:00,30 ,3.393018,287.0233, 79.7158,92.33552
sgpcmbeC1.c1,1999,0813:30:00,30 , 13.9902,306.5073,100.3368,92.71114
sgpcmbeC1.c1,1999,0814:30:00,30 ,27.09336,349.8862,84.79543,81.25953
sgpcmbeC1.c1,1999,0815:30:00,30 ,42.68015, 219.043,89.92312,57.07667
sgpcmbeC1.c1,1999,0816:30:00,30 ,29.00573,136.1607,63.90509,17.98826
sgpcmbeC1.c1,1999,0817:30:00,30 ,14.05579,98.40301,59.56014,14.47325
sgpcmbeC1.c1,1999,0818:30:00,30 ,3.208553, 57.3767,42.81579,13.66894
sgpcmbeC1.c1,1999,0819:30:00,29 ,       0, 18.0923,6.105105,4.783634
sgpcmbeC1.c1,1999,0820:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0821:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0822:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0823:30:00,29 ,       0,       0,       0,       0