datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,30 , 0.44927,27.55866,3.121657,5.628738
sgpcmbeC1.c1,1998,04 1:30:00,30 ,0.267444,19.48266,2.695145,3.925895
sgpcmbeC1.c1,1998,04 2:30:00,30 ,0.393812,26.22133,3.514958,6.540045
sgpcmbeC1.c1,1998,04 3:30:00,30 ,0.261758,16.62339,2.851605,3.926953
sgpcmbeC1.c1,1998,04 4:30:00,30 ,0.242646,14.81356,2.225723,3.479485
sgpcmbeC1.c1,1998,04 5:30:00,30 ,0.201461,14.19408,2.192319,3.222476
sgpcmbeC1.c1,1998,04 6:30:00,30 , 0.25651,18.22556,2.456803,4.808235
sgpcmbeC1.c1,1998,04 7:30:00,30 ,0.306164,25.26447,4.772227,6.644236
sgpcmbeC1.c1,1998,04 8:30:00,30 ,0.601363,35.63253,6.111056,8.167055
sgpcmbeC1.c1,1998,04 9:30:00,30 ,0.672668,17.69989,3.734547,3.284201
sgpcmbeC1.c1,1998,0410:30:00,30 , 0.40783,18.58581, 3.61291,4.247875
sgpcmbeC1.c1,1998,0411:30:00,30 ,0.398077,12.96239,3.194921, 3.09689
sgpcmbeC1.c1,1998,0412:30:00,30 ,0.373415,15.92924,3.125266,3.350676
sgpcmbeC1.c1,1998,0413:30:00,30 ,0.584049,14.35069,3.711598,3.399341
sgpcmbeC1.c1,1998,0414:30:00,30 ,0.555631,17.03549,3.481822,3.743955
sgpcmbeC1.c1,1998,0415:30:00,30 ,0.525713, 13.3929,3.165523,3.170615
sgpcmbeC1.c1,1998,0416:30:00,30 ,0.511442,21.41963,3.482025,4.278907
sgpcmbeC1.c1,1998,0417:30:00,30 ,0.381754, 20.6098,3.476744,4.219264
sgpcmbeC1.c1,1998,0418:30:00,30 ,0.487514, 20.4915,3.791399,4.765923
sgpcmbeC1.c1,1998,0419:30:00,30 ,0.298277,9.125257,2.603487,2.595946
sgpcmbeC1.c1,1998,0420:30:00,30 ,0.327779,28.81148, 4.19989,   6.492
sgpcmbeC1.c1,1998,0421:30:00,30 ,0.321431,15.06473,3.662009,4.609279
sgpcmbeC1.c1,1998,0422:30:00,30 ,0.371002,18.82643,3.113299,4.149663
sgpcmbeC1.c1,1998,0423:30:00,30 ,0.262841,26.51368,3.637268,6.233221