datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,31 ,       0,0.914386,0.032087,0.164381
sgpcmbeC1.c1,2007,10 1:30:00,30 ,       0,  0.3993,  0.0409,0.110188
sgpcmbeC1.c1,2007,10 2:30:00,31 ,       0,1.684118,0.102404,0.317322
sgpcmbeC1.c1,2007,10 3:30:00,31 ,       0,0.379176,0.018513,0.075514
sgpcmbeC1.c1,2007,10 4:30:00,31 ,       0,1.127323,0.049159,0.212386
sgpcmbeC1.c1,2007,10 5:30:00,31 ,       0,0.381101,0.014214,0.068925
sgpcmbeC1.c1,2007,10 6:30:00,31 ,0.021038,8.901702,1.737476,2.250263
sgpcmbeC1.c1,2007,10 7:30:00,31 ,0.266992, 128.511,59.96047,35.78123
sgpcmbeC1.c1,2007,10 8:30:00,31 ,0.104986,315.5326,178.3428, 99.4341
sgpcmbeC1.c1,2007,10 9:30:00,31 ,0.167412,493.0255,318.5058,154.8876
sgpcmbeC1.c1,2007,1010:30:00,31 ,0.013308, 626.809, 423.642,192.8244
sgpcmbeC1.c1,2007,1011:30:00,31 ,0.146764,706.7174,466.7536,243.5665
sgpcmbeC1.c1,2007,1012:30:00,31 ,0.315788,  728.79,462.8848,255.9158
sgpcmbeC1.c1,2007,1013:30:00,31 ,0.979843,688.6211,429.2155,230.6505
sgpcmbeC1.c1,2007,1014:30:00,31 ,3.011475,585.8438,366.3505,189.8812
sgpcmbeC1.c1,2007,1015:30:00,31 ,0.858795,438.5642,237.1155,136.9388
sgpcmbeC1.c1,2007,1016:30:00,31 ,0.145195,249.4131,115.7793,69.28221
sgpcmbeC1.c1,2007,1017:30:00,31 ,0.224826,69.69814,21.96543,19.03853
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0,1.553682,0.442953,0.484469
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,1.775393,0.117654,0.364036
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,1.917758,0.105462,0.372153
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0, 0.36592,0.032868,0.101446
sgpcmbeC1.c1,2007,1022:30:00,31 ,       0,1.112298,0.086044,0.269978
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,0.504921, 0.04609,0.143573