datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,04 0:30:00,19 ,237.6613,403.5503,311.5144,54.84088
sgpcmbeC1.c1,1999,04 1:30:00,19 ,236.4046,406.5288,313.5519,57.50749
sgpcmbeC1.c1,1999,04 2:30:00,19 ,236.3495,408.5402,309.3495,54.13902
sgpcmbeC1.c1,1999,04 3:30:00,19 ,236.5878,404.5498,304.6895,53.52727
sgpcmbeC1.c1,1999,04 4:30:00,19 ,228.7781,392.6225,299.9987,50.59051
sgpcmbeC1.c1,1999,04 5:30:00,19 ,229.7035,394.4116,297.0594,53.30314
sgpcmbeC1.c1,1999,04 6:30:00,19 ,232.5917,415.6798,297.2744,56.23779
sgpcmbeC1.c1,1999,04 7:30:00,19 ,236.5035,399.5888,303.4219,54.77927
sgpcmbeC1.c1,1999,04 8:30:00,18 ,241.1672,387.6992,305.2054,52.51401
sgpcmbeC1.c1,1999,04 9:30:00,18 ,245.3099,385.1573,303.6913,47.02737
sgpcmbeC1.c1,1999,0410:30:00,18 ,250.1667,385.1489,310.0914, 46.4418
sgpcmbeC1.c1,1999,0411:30:00,18 ,253.7497, 390.964,312.3482,41.65303
sgpcmbeC1.c1,1999,0412:30:00,18 ,256.1942,  382.96, 318.979,41.15268
sgpcmbeC1.c1,1999,0413:30:00,18 ,259.5508, 405.181,324.7062,43.18711
sgpcmbeC1.c1,1999,0414:30:00,18 ,265.3632,394.8742,327.3845,39.25094
sgpcmbeC1.c1,1999,0415:30:00,18 ,267.1444,393.3355,327.5211,39.46004
sgpcmbeC1.c1,1999,0416:30:00,18 ,268.4217,401.7684,325.7912,42.08539
sgpcmbeC1.c1,1999,0417:30:00,18 ,264.4651,389.6067,326.4285,39.80944
sgpcmbeC1.c1,1999,0418:30:00,18 ,255.0898,391.4515, 322.704,42.90777
sgpcmbeC1.c1,1999,0419:30:00,18 ,244.4418,391.6089,317.5584,44.28536
sgpcmbeC1.c1,1999,0420:30:00,18 ,241.5212,392.1702,316.2004,45.70834
sgpcmbeC1.c1,1999,0421:30:00,18 ,241.3073,391.6482,314.4826,46.63401
sgpcmbeC1.c1,1999,0422:30:00,18 ,241.6655,399.4671,313.7859,49.94814
sgpcmbeC1.c1,1999,0423:30:00,18 ,239.5217,395.9122,312.3938, 53.7384