datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,23 ,       0,118.2021,8.391191,25.25881
sgpcmbeC1.c1,2004,09 1:30:00,23 ,       0,375.5816,24.97568,82.08889
sgpcmbeC1.c1,2004,09 2:30:00,22 ,       0,74.41929,9.657762,22.08468
sgpcmbeC1.c1,2004,09 3:30:00,20 ,       0,43.49655,8.481545,14.49283
sgpcmbeC1.c1,2004,09 4:30:00,22 ,       0,61.88919,8.329761,16.67341
sgpcmbeC1.c1,2004,09 5:30:00,22 ,       0, 63.0645,8.152437,16.73572
sgpcmbeC1.c1,2004,09 6:30:00,21 ,       0,188.0526,21.42399,52.57966
sgpcmbeC1.c1,2004,09 7:30:00,22 ,       0,138.9039,11.16378,30.92102
sgpcmbeC1.c1,2004,09 8:30:00,24 ,       0, 509.911,26.33379,104.2487
sgpcmbeC1.c1,2004,09 9:30:00,23 ,       0,97.71255,7.092272,20.23672
sgpcmbeC1.c1,2004,0910:30:00,22 ,       0,32.63433,2.711705,6.735585
sgpcmbeC1.c1,2004,0911:30:00,22 ,       0,74.80981,6.134448,16.10412
sgpcmbeC1.c1,2004,0912:30:00,21 ,       0,37.23115,5.422481,9.907722
sgpcmbeC1.c1,2004,0913:30:00,21 ,       0,60.84058,7.756219,15.34197
sgpcmbeC1.c1,2004,0914:30:00,20 ,       0,185.6911,14.42835,41.52454
sgpcmbeC1.c1,2004,0915:30:00,21 ,       0,52.37085,9.167943,15.91683
sgpcmbeC1.c1,2004,0916:30:00,20 ,       0,44.96596,5.255557,11.43239
sgpcmbeC1.c1,2004,0917:30:00,21 ,       0,6.682539,1.323861,1.836186
sgpcmbeC1.c1,2004,0918:30:00,20 ,       0,22.38815,3.135963,5.151631
sgpcmbeC1.c1,2004,0919:30:00,22 ,       0,20.87462,2.977387,5.363417
sgpcmbeC1.c1,2004,0920:30:00,22 ,       0,73.04475,4.373928,15.35395
sgpcmbeC1.c1,2004,0921:30:00,23 ,       0, 56.9623,4.381836,11.81159
sgpcmbeC1.c1,2004,0922:30:00,23 ,       0,24.64187,2.946572,5.348656
sgpcmbeC1.c1,2004,0923:30:00,21 ,       0,88.48161,6.644428,19.41544