datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,03 0:30:00,29 ,       0,0.814976,  0.0829, 0.18543
sgpcmbeC1.c1,1999,03 1:30:00,29 ,       0,0.932469,0.130713,0.258125
sgpcmbeC1.c1,1999,03 2:30:00,29 ,       0, 1.08076,0.105665,0.270596
sgpcmbeC1.c1,1999,03 3:30:00,30 ,       0, 1.83643,0.163164,0.415765
sgpcmbeC1.c1,1999,03 4:30:00,29 ,       0,0.718181,0.102575,0.207762
sgpcmbeC1.c1,1999,03 5:30:00,29 ,       0,0.449357,0.072532,0.139705
sgpcmbeC1.c1,1999,03 6:30:00,29 ,       0,5.278818,0.975823,1.234226
sgpcmbeC1.c1,1999,03 7:30:00,29 ,0.038136,103.3697,29.08855,33.49849
sgpcmbeC1.c1,1999,03 8:30:00,29 ,0.036613,283.3483,99.26066,111.3206
sgpcmbeC1.c1,1999,03 9:30:00,29 ,0.179009,460.6959,194.6641,179.4402
sgpcmbeC1.c1,1999,0310:30:00,29 ,0.135819,615.0204,243.4724,246.0776
sgpcmbeC1.c1,1999,0311:30:00,29 ,0.000175,706.0201,297.4832,293.0071
sgpcmbeC1.c1,1999,0312:30:00,29 , 0.40683,731.1378,   300.6,303.1969
sgpcmbeC1.c1,1999,0313:30:00,30 ,0.409164,710.0354, 293.971,290.1069
sgpcmbeC1.c1,1999,0314:30:00,30 ,0.074448,630.4192,295.9689,259.4226
sgpcmbeC1.c1,1999,0315:30:00,30 ,0.105682,490.9355,227.0099, 208.883
sgpcmbeC1.c1,1999,0316:30:00,30 ,0.010471,317.2682,135.0795,130.8093
sgpcmbeC1.c1,1999,0317:30:00,30 ,0.000031,135.5062,49.02978,53.15499
sgpcmbeC1.c1,1999,0318:30:00,30 ,0.000254,13.35663,3.338052,4.227954
sgpcmbeC1.c1,1999,0319:30:00,29 ,       0,0.896935,0.242887,0.245121
sgpcmbeC1.c1,1999,0320:30:00,29 ,       0, 0.86311,0.126784,0.204535
sgpcmbeC1.c1,1999,0321:30:00,29 ,       0,0.616074,0.109015,0.152997
sgpcmbeC1.c1,1999,0322:30:00,29 ,       0,0.764994,0.098971,0.176022
sgpcmbeC1.c1,1999,0323:30:00,29 ,       0,1.300164,0.114935,0.280829