datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,03 0:30:00,21 ,0.010808,341.3419, 29.5486, 74.9597
sgpcmbeC1.c1,2001,03 1:30:00,20 ,       0,285.3154,34.18731,81.29986
sgpcmbeC1.c1,2001,03 2:30:00,16 ,       0,236.7848,33.27739,64.94099
sgpcmbeC1.c1,2001,03 3:30:00,16 ,       0,285.4601,29.72731,  71.766
sgpcmbeC1.c1,2001,03 4:30:00,14 ,       0,56.46646,12.68567,17.71319
sgpcmbeC1.c1,2001,03 5:30:00,13 ,       0,373.9738,34.45608, 102.295
sgpcmbeC1.c1,2001,03 6:30:00,13 ,       0,442.0001,38.18293,121.4563
sgpcmbeC1.c1,2001,03 7:30:00,12 ,       0,110.4898,11.06984,31.45801
sgpcmbeC1.c1,2001,03 8:30:00,16 ,       0,33.78883,6.984501,10.63943
sgpcmbeC1.c1,2001,03 9:30:00,20 ,       0,48.19994,10.21018,15.64034
sgpcmbeC1.c1,2001,0310:30:00,21 ,       0, 60.4082,11.92712,18.51762
sgpcmbeC1.c1,2001,0311:30:00,22 ,       0,310.6855,21.69592,65.74469
sgpcmbeC1.c1,2001,0312:30:00,22 ,       0,231.3113,23.18514, 49.9411
sgpcmbeC1.c1,2001,0313:30:00,22 ,       0,539.0221,36.80638,114.1262
sgpcmbeC1.c1,2001,0314:30:00,22 ,       0,213.8045,21.05226,48.17351
sgpcmbeC1.c1,2001,0315:30:00,21 ,       0,135.9587,21.06205,36.49569
sgpcmbeC1.c1,2001,0316:30:00,21 ,       0,292.0139,26.17479,63.35634
sgpcmbeC1.c1,2001,0317:30:00,21 ,0.050732,181.6316,20.11086,41.82393
sgpcmbeC1.c1,2001,0318:30:00,21 ,0.069869,40.61092,8.032918,11.56067
sgpcmbeC1.c1,2001,0319:30:00,21 ,0.085227,55.33941,6.775262,12.77994
sgpcmbeC1.c1,2001,0320:30:00,21 ,0.058607,312.0929,20.01938,67.67873
sgpcmbeC1.c1,2001,0321:30:00,21 ,       0,57.94884,7.988655,14.16364
sgpcmbeC1.c1,2001,0322:30:00,21 ,0.000106,78.59752,8.177241,17.83151
sgpcmbeC1.c1,2001,0323:30:00,20 ,       0,46.88174,8.781581,14.05067