datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,09 0:30:00,28 ,       0,1.308501,0.218616,0.284474
sgpcmbeC1.c1,1997,09 1:30:00,28 ,       0,0.984166,0.183723,0.244601
sgpcmbeC1.c1,1997,09 2:30:00,28 ,       0,0.805293,0.221545,0.245305
sgpcmbeC1.c1,1997,09 3:30:00,28 ,       0,1.601296,0.365731,0.422769
sgpcmbeC1.c1,1997,09 4:30:00,28 ,       0,1.740197, 0.42403,0.479022
sgpcmbeC1.c1,1997,09 5:30:00,28 ,       0,1.259973,0.410108,0.335024
sgpcmbeC1.c1,1997,09 6:30:00,28 ,3.171987,50.40664,22.24565,13.84447
sgpcmbeC1.c1,1997,09 7:30:00,29 ,11.23836,263.5423,131.4128, 71.2727
sgpcmbeC1.c1,1997,09 8:30:00,28 ,32.86436,442.9975,279.6327,122.8377
sgpcmbeC1.c1,1997,09 9:30:00,28 ,51.48249,630.7888,387.3305,191.5165
sgpcmbeC1.c1,1997,0910:30:00,28 ,44.02769,  774.09,503.9165,243.1255
sgpcmbeC1.c1,1997,0911:30:00,28 ,120.8719,869.5408,583.5581,245.7988
sgpcmbeC1.c1,1997,0912:30:00,28 ,110.2831,906.1094, 621.915,258.9212
sgpcmbeC1.c1,1997,0913:30:00,28 , 90.5706,874.2483,616.0659,236.9847
sgpcmbeC1.c1,1997,0914:30:00,28 ,113.3606,777.6625, 558.991,199.6337
sgpcmbeC1.c1,1997,0915:30:00,27 ,55.10583,625.0686,423.4724,165.1667
sgpcmbeC1.c1,1997,0916:30:00,27 ,32.97184,  429.21,276.8779,118.3963
sgpcmbeC1.c1,1997,0917:30:00,27 ,10.81949,221.9367,121.4856,62.75849
sgpcmbeC1.c1,1997,0918:30:00,27 ,0.733151,45.14138,16.08787,13.33557
sgpcmbeC1.c1,1997,0919:30:00,27 ,       0,1.295796,0.397064,0.333512
sgpcmbeC1.c1,1997,0920:30:00,27 ,       0,1.175837,0.307377,0.285519
sgpcmbeC1.c1,1997,0921:30:00,27 ,       0,1.672921,0.320365,0.363288
sgpcmbeC1.c1,1997,0922:30:00,27 ,       0,1.696849,0.308764,0.404356
sgpcmbeC1.c1,1997,0923:30:00,27 ,       0,1.586307,0.279309,0.348029