datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,03 0:30:00,30 ,       0,4.965637,0.853642,1.586001
sgpcmbeC1.c1,2006,03 1:30:00,30 ,       0,4.727616,0.929021,1.634664
sgpcmbeC1.c1,2006,03 2:30:00,31 ,       0,4.553581,0.603399,1.413271
sgpcmbeC1.c1,2006,03 3:30:00,31 ,       0, 4.12316,0.708811,1.415124
sgpcmbeC1.c1,2006,03 4:30:00,31 ,       0,4.498575,0.982024,1.596469
sgpcmbeC1.c1,2006,03 5:30:00,31 ,       0,4.760431,0.909217, 1.56013
sgpcmbeC1.c1,2006,03 6:30:00,31 ,       0,26.18802,5.609333,7.648728
sgpcmbeC1.c1,2006,03 7:30:00,30 ,7.177421,200.2753,82.32304,59.74996
sgpcmbeC1.c1,2006,03 8:30:00,30 , 29.8483,415.7213,225.4923,126.9003
sgpcmbeC1.c1,2006,03 9:30:00,30 ,31.96194,612.1663,350.3877,198.5671
sgpcmbeC1.c1,2006,0310:30:00,30 ,55.01345,768.7675,490.5218,252.9991
sgpcmbeC1.c1,2006,0311:30:00,31 ,49.89885,870.0569,550.0866,282.5922
sgpcmbeC1.c1,2006,0312:30:00,31 ,48.37535,908.8367,564.8303,310.7258
sgpcmbeC1.c1,2006,0313:30:00,31 ,56.34834,878.9414,574.4041,284.0551
sgpcmbeC1.c1,2006,0314:30:00,31 , 44.1985,788.9299,501.4837,253.9479
sgpcmbeC1.c1,2006,0315:30:00,31 ,18.43545,624.6821,375.1769,221.5167
sgpcmbeC1.c1,2006,0316:30:00,31 ,17.05222,443.4276,255.3809,147.5901
sgpcmbeC1.c1,2006,0317:30:00,31 ,5.595654,221.3842,115.2819,68.91139
sgpcmbeC1.c1,2006,0318:30:00,31 ,       0,42.75878,15.90264,11.80551
sgpcmbeC1.c1,2006,0319:30:00,31 ,       0,4.842865,1.561976,1.794155
sgpcmbeC1.c1,2006,0320:30:00,31 ,       0,4.704968, 1.29518,1.628173
sgpcmbeC1.c1,2006,0321:30:00,31 ,       0,4.671765,1.032925,1.552406
sgpcmbeC1.c1,2006,0322:30:00,31 ,       0,4.725783,1.112984,1.802137
sgpcmbeC1.c1,2006,0323:30:00,31 ,       0,4.597087,0.982904,1.645004