datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,03 0:30:00,24 ,       0,2.919778, 1.46599,0.883448
sgpcmbeC1.c1,2001,03 1:30:00,26 ,       0,2.952371,1.327037,0.952378
sgpcmbeC1.c1,2001,03 2:30:00,24 ,       0,3.133202,1.427487,1.034476
sgpcmbeC1.c1,2001,03 3:30:00,23 ,       0,2.626813,1.264462,0.934166
sgpcmbeC1.c1,2001,03 4:30:00,21 ,       0,2.586337,1.019891,0.909595
sgpcmbeC1.c1,2001,03 5:30:00,24 ,       0,2.601146,1.109656,0.936099
sgpcmbeC1.c1,2001,03 6:30:00,31 ,       0,30.86484,5.130958,6.309547
sgpcmbeC1.c1,2001,03 7:30:00,31 ,10.63232,186.0207,71.57302,42.96259
sgpcmbeC1.c1,2001,03 8:30:00,31 ,51.70952,372.1265,208.6536,99.24925
sgpcmbeC1.c1,2001,03 9:30:00,31 ,121.4791, 561.068,320.8498,149.6293
sgpcmbeC1.c1,2001,0310:30:00,31 ,151.8602,716.5711,457.6524,188.6509
sgpcmbeC1.c1,2001,0311:30:00,31 , 105.065,871.5853,556.9632,232.2954
sgpcmbeC1.c1,2001,0312:30:00,31 ,118.2709,909.4914,569.1179,234.6897
sgpcmbeC1.c1,2001,0313:30:00,31 ,63.89264,881.8278,534.7233,252.0726
sgpcmbeC1.c1,2001,0314:30:00,31 ,51.84776,788.1093,476.8885,212.4542
sgpcmbeC1.c1,2001,0315:30:00,31 ,39.84157,645.6402,385.1723,179.1317
sgpcmbeC1.c1,2001,0316:30:00,31 ,44.47847,455.9338,257.0895,119.6624
sgpcmbeC1.c1,2001,0317:30:00,31 ,11.79252,237.3008,109.4412,60.46173
sgpcmbeC1.c1,2001,0318:30:00,31 ,0.975413,52.39783,13.77983,11.58337
sgpcmbeC1.c1,2001,0319:30:00,31 ,       0,3.033464,1.037539,0.967984
sgpcmbeC1.c1,2001,0320:30:00,29 ,       0,3.128305,1.192356,0.929351
sgpcmbeC1.c1,2001,0321:30:00,27 ,       0,3.154985,1.319089,0.875764
sgpcmbeC1.c1,2001,0322:30:00,28 ,       0,2.932387, 1.40741,0.850654
sgpcmbeC1.c1,2001,0323:30:00,27 ,       0,2.961318,1.421334,0.851557