datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,04 0:30:00,30 ,432.9276,451.0393, 443.475,4.711514
twpcmbeC1.c1,1997,04 1:30:00,30 ,430.6592,451.6109,442.0887,5.061658
twpcmbeC1.c1,1997,04 2:30:00,30 ,430.3294,451.9171,441.2188,4.961247
twpcmbeC1.c1,1997,04 3:30:00,30 ,429.2429,450.5957,441.6655,5.810481
twpcmbeC1.c1,1997,04 4:30:00,30 ,428.0098,450.7828,441.5623,  5.5247
twpcmbeC1.c1,1997,04 5:30:00,30 ,430.9856,451.9451,440.6629,4.937818
twpcmbeC1.c1,1997,04 6:30:00,30 ,437.4791,455.3954,445.0769,4.121218
twpcmbeC1.c1,1997,04 7:30:00,30 ,451.2949,475.9355,463.9897,6.526199
twpcmbeC1.c1,1997,04 8:30:00,30 ,452.7858,499.3322,483.0955,12.82027
twpcmbeC1.c1,1997,04 9:30:00,30 ,441.0045,524.8037,498.6959,19.76174
twpcmbeC1.c1,1997,0410:30:00,30 , 441.312,544.0452,506.1186,27.70249
twpcmbeC1.c1,1997,0411:30:00,30 , 440.988,555.2477,512.6788,28.26678
twpcmbeC1.c1,1997,0412:30:00,30 ,446.6478,562.4398,508.9072,30.67719
twpcmbeC1.c1,1997,0413:30:00,30 ,450.9662,559.8162,499.3765,30.79741
twpcmbeC1.c1,1997,0414:30:00,30 ,448.4172,552.5596,494.2168,25.57941
twpcmbeC1.c1,1997,0415:30:00,30 ,443.8008,512.4332,490.6797, 18.6849
twpcmbeC1.c1,1997,0416:30:00,30 ,446.4629,503.0223,479.8032,15.49535
twpcmbeC1.c1,1997,0417:30:00,30 ,446.3379,479.6523, 464.988,8.588924
twpcmbeC1.c1,1997,0418:30:00,30 ,443.5367,457.9246,452.7745,3.660363
twpcmbeC1.c1,1997,0419:30:00,30 ,438.4887,455.6719,448.8066,3.703393
twpcmbeC1.c1,1997,0420:30:00,30 ,441.6156,453.8108,446.8405,3.101992
twpcmbeC1.c1,1997,0421:30:00,30 ,439.9533,454.5822,446.8428,3.727261
twpcmbeC1.c1,1997,0422:30:00,30 ,439.5594,453.7398,446.3465,3.837213
twpcmbeC1.c1,1997,0423:30:00,30 ,434.0127,453.3156,444.8193,4.603496