datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,09 0:30:00,23 ,       0,1383.411,105.4066,294.1475
sgpcmbeC1.c1,1996,09 1:30:00,21 ,       0, 168.417,34.19865,55.41077
sgpcmbeC1.c1,1996,09 2:30:00,21 ,       0,204.5144,36.93289,63.83139
sgpcmbeC1.c1,1996,09 3:30:00,21 ,       0,1180.074,86.64954,257.3308
sgpcmbeC1.c1,1996,09 4:30:00,21 ,       0,285.4363,48.18903,81.73018
sgpcmbeC1.c1,1996,09 5:30:00,21 ,       0,503.4434,62.11212,132.2898
sgpcmbeC1.c1,1996,09 6:30:00,21 ,       0,861.2632,95.77035,213.2144
sgpcmbeC1.c1,1996,09 7:30:00,21 ,       0,786.0734,92.49226,202.1505
sgpcmbeC1.c1,1996,09 8:30:00,21 ,       0, 1131.92,145.3997,324.9736
sgpcmbeC1.c1,1996,09 9:30:00,20 ,       0,1348.922,115.0692,310.7792
sgpcmbeC1.c1,1996,0910:30:00,21 ,       0,889.2001,121.8434,250.9461
sgpcmbeC1.c1,1996,0911:30:00,22 ,       0,836.1944,86.13242,209.8933
sgpcmbeC1.c1,1996,0912:30:00,23 ,       0,  315.38,54.97666,97.96766
sgpcmbeC1.c1,1996,0913:30:00,23 ,       0,426.9251,45.17652,96.79482
sgpcmbeC1.c1,1996,0914:30:00,22 ,       0,359.8704,53.34776,109.1186
sgpcmbeC1.c1,1996,0915:30:00,21 ,       0,275.4517,43.23681,84.80478
sgpcmbeC1.c1,1996,0916:30:00,21 ,       0,562.9237,51.61972,131.5272
sgpcmbeC1.c1,1996,0917:30:00,22 ,       0,105.5325, 22.1718,32.82004
sgpcmbeC1.c1,1996,0918:30:00,22 ,       0,95.24606,15.16354,25.22074
sgpcmbeC1.c1,1996,0919:30:00,22 ,       0,133.4674,16.38659,31.30497
sgpcmbeC1.c1,1996,0920:30:00,22 ,       0,142.9004,19.14784,35.57228
sgpcmbeC1.c1,1996,0921:30:00,22 ,       0,168.0321,23.49612,40.06623
sgpcmbeC1.c1,1996,0922:30:00,23 ,       0, 263.758,38.75366,73.42342
sgpcmbeC1.c1,1996,0923:30:00,23 ,       0,382.6544,56.21851,112.6217