datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2007,03 0:30:00,30 ,0.013203,0.215653,0.049556,0.045451 sgpcmbeC1.c1,2007,03 1:30:00,30 ,0.011501,0.135263,0.050045, 0.03544 sgpcmbeC1.c1,2007,03 2:30:00,30 ,0.011537,0.226064,0.040397,0.039712 sgpcmbeC1.c1,2007,03 3:30:00,30 ,0.013376,0.285918,0.044283,0.051886 sgpcmbeC1.c1,2007,03 4:30:00,29 ,0.011586,0.076337,0.031796,0.016274 sgpcmbeC1.c1,2007,03 5:30:00,29 ,0.013146,0.282388,0.046764,0.059221 sgpcmbeC1.c1,2007,03 6:30:00,29 ,0.013416,0.113969,0.035636,0.024207 sgpcmbeC1.c1,2007,03 7:30:00,29 ,0.017051,0.222984,0.038216, 0.03828 sgpcmbeC1.c1,2007,03 8:30:00,29 ,0.013218,0.208895,0.046162,0.049497 sgpcmbeC1.c1,2007,03 9:30:00,30 ,0.014053,0.262648,0.053565,0.054106 sgpcmbeC1.c1,2007,0310:30:00,30 ,0.012001, 0.21958, 0.04443,0.041106 sgpcmbeC1.c1,2007,0311:30:00,28 , 0.01318,0.074057,0.036089,0.016008 sgpcmbeC1.c1,2007,0312:30:00,30 , 0.01464,0.118765,0.042063,0.026661 sgpcmbeC1.c1,2007,0313:30:00,30 ,0.013067,0.302595,0.061534,0.060757 sgpcmbeC1.c1,2007,0314:30:00,29 ,0.014374,0.157829,0.049497,0.030778 sgpcmbeC1.c1,2007,0315:30:00,29 ,0.013209,0.229552,0.060938,0.051184 sgpcmbeC1.c1,2007,0316:30:00,30 ,0.014071, 0.35176,0.061074,0.062699 sgpcmbeC1.c1,2007,0317:30:00,30 ,0.015756,0.132797, 0.05137,0.034212 sgpcmbeC1.c1,2007,0318:30:00,30 ,0.011337,0.205003,0.051578,0.040384 sgpcmbeC1.c1,2007,0319:30:00,31 ,0.013213, 0.33936, 0.05378,0.068074 sgpcmbeC1.c1,2007,0320:30:00,30 ,0.011808,0.193345, 0.04739,0.040494 sgpcmbeC1.c1,2007,0321:30:00,30 , 0.01434,0.326935,0.043837,0.058264 sgpcmbeC1.c1,2007,0322:30:00,29 ,0.015214,0.425945,0.052251,0.081683 sgpcmbeC1.c1,2007,0323:30:00,30 ,0.011602,0.220654,0.049434,0.052692