datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,12 0:30:00,26 ,0.355146,82.02276,16.22734,21.63766
sgpcmbeC1.c1,1997,12 1:30:00,26 ,0.230442,70.53294,14.88539,19.89705
sgpcmbeC1.c1,1997,12 2:30:00,26 ,0.135966,65.75842, 13.8409,19.84873
sgpcmbeC1.c1,1997,12 3:30:00,26 ,0.077981,55.65844,14.13662,19.37607
sgpcmbeC1.c1,1997,12 4:30:00,27 ,0.049977, 177.406,17.66867, 36.0444
sgpcmbeC1.c1,1997,12 5:30:00,26 ,0.100155,  296.06,25.09462,61.09593
sgpcmbeC1.c1,1997,12 6:30:00,26 ,0.050483,355.7666,29.44665,75.63675
sgpcmbeC1.c1,1997,12 7:30:00,26 ,0.188957,490.0938,35.79213,99.15745
sgpcmbeC1.c1,1997,12 8:30:00,26 , 0.08909,277.2488,28.27414,62.41224
sgpcmbeC1.c1,1997,12 9:30:00,26 ,       0,74.95634,16.67562,23.48716
sgpcmbeC1.c1,1997,1210:30:00,26 ,0.036546,457.6498,  34.853,91.26693
sgpcmbeC1.c1,1997,1211:30:00,24 ,0.052119,303.0752,28.94423,62.92249
sgpcmbeC1.c1,1997,1212:30:00,23 ,0.375584,535.3165,56.82132,138.0904
sgpcmbeC1.c1,1997,1213:30:00,24 , 0.47967,222.4859, 28.6419,49.86195
sgpcmbeC1.c1,1997,1214:30:00,21 ,0.979851,162.5552,28.50567,42.96911
sgpcmbeC1.c1,1997,1215:30:00,22 ,1.228915,209.3753,  23.385,44.77985
sgpcmbeC1.c1,1997,1216:30:00,23 ,1.285518,58.16084,11.21029,15.75999
sgpcmbeC1.c1,1997,1217:30:00,25 ,1.404094,239.3984,20.80841,48.13148
sgpcmbeC1.c1,1997,1218:30:00,28 ,1.422918,359.1611, 23.3771,  67.978
sgpcmbeC1.c1,1997,1219:30:00,28 ,1.102399,83.32204,16.63506,24.34887
sgpcmbeC1.c1,1997,1220:30:00,27 ,1.120345,133.3893,16.85404,30.96589
sgpcmbeC1.c1,1997,1221:30:00,27 ,0.567078, 98.0655,16.10401,25.78338
sgpcmbeC1.c1,1997,1222:30:00,26 ,0.496075,75.30554,12.19365, 19.7728
sgpcmbeC1.c1,1997,1223:30:00,26 ,0.346297,109.8154,13.42095,24.42207