datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 6:30:00,31 ,       0,10.42924,1.427452,3.004967
sgpcmbeC1.c1,2000,03 7:30:00,31 ,       0,138.1893, 36.1194,44.31172
sgpcmbeC1.c1,2000,03 8:30:00,31 ,0.040991,339.3259,118.7922,126.0851
sgpcmbeC1.c1,2000,03 9:30:00,31 ,0.053669,528.8052,205.0035,213.7642
sgpcmbeC1.c1,2000,0310:30:00,31 ,0.007874,679.7936,265.5103,285.6384
sgpcmbeC1.c1,2000,0311:30:00,31 ,0.329819,777.1747,307.0515,303.8511
sgpcmbeC1.c1,2000,0312:30:00,31 ,0.217247,817.1378,349.3876,321.6757
sgpcmbeC1.c1,2000,0313:30:00,31 ,0.167107,793.2288,357.6623,303.2991
sgpcmbeC1.c1,2000,0314:30:00,31 , 0.16639,699.6254,299.6242,266.7685
sgpcmbeC1.c1,2000,0315:30:00,31 ,0.045841,554.0458, 220.639,208.3766
sgpcmbeC1.c1,2000,0316:30:00,31 ,       0,364.8845,135.1721,141.1417
sgpcmbeC1.c1,2000,0317:30:00,31 ,       0,164.0762,55.26385,60.83756
sgpcmbeC1.c1,2000,0318:30:00,31 ,       0,25.13286,4.271294,6.941015
sgpcmbeC1.c1,2000,0319:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0320:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0321:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0322:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0323:30:00,31 ,       0,       0,       0,       0