datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,02 0:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 1:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 2:30:00,25 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 3:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 4:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 5:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 6:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,02 7:30:00,29 ,       0,37.23183,8.264971,10.73503
sgpcmbeC1.c1,2000,02 8:30:00,29 , 0.02795,207.7319,88.11145,67.43686
sgpcmbeC1.c1,2000,02 9:30:00,29 ,0.078205,405.0492,204.7245,141.9031
sgpcmbeC1.c1,2000,0210:30:00,29 ,0.179253,546.2334,310.3685,189.5273
sgpcmbeC1.c1,2000,0211:30:00,29 ,0.073738,652.3287,373.3331,217.2459
sgpcmbeC1.c1,2000,0212:30:00,29 ,0.939468,696.4835,380.2313,253.9944
sgpcmbeC1.c1,2000,0213:30:00,29 ,0.567665,679.6383,356.1598,243.8925
sgpcmbeC1.c1,2000,0214:30:00,29 ,       0,591.2422,310.8371,202.3983
sgpcmbeC1.c1,2000,0215:30:00,29 ,0.002518,448.2587,204.5071,154.1175
sgpcmbeC1.c1,2000,0216:30:00,29 ,0.013535,279.7338,120.6406,85.31709
sgpcmbeC1.c1,2000,0217:30:00,29 , 0.00003,96.22512,30.34462,30.32962
sgpcmbeC1.c1,2000,0218:30:00,29 ,       0,4.923976,0.419864,1.058387
sgpcmbeC1.c1,2000,0219:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0220:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0221:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0222:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0223:30:00,26 ,       0,       0,       0,       0