datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,04 0:30:00,30 ,245.2657,358.5898,308.3296,37.52682
sgpcmbeC1.c1,2005,04 1:30:00,30 ,241.9868,365.3394,304.3455,38.16054
sgpcmbeC1.c1,2005,04 2:30:00,30 ,240.0949,400.7212,301.3363,41.26952
sgpcmbeC1.c1,2005,04 3:30:00,30 ,238.5477,373.4896,294.2403,37.80608
sgpcmbeC1.c1,2005,04 4:30:00,30 ,237.3972,385.6133,294.0681,41.82889
sgpcmbeC1.c1,2005,04 5:30:00,30 , 232.148,389.3771,296.1309,46.93173
sgpcmbeC1.c1,2005,04 6:30:00,30 ,230.4606,399.4572,  297.97,49.41976
sgpcmbeC1.c1,2005,04 7:30:00,30 ,235.0519,401.1747,303.9522,48.91464
sgpcmbeC1.c1,2005,04 8:30:00,30 ,237.4089,400.7733,308.6582,45.63003
sgpcmbeC1.c1,2005,04 9:30:00,30 ,242.5211,406.5568,316.3542,46.74513
sgpcmbeC1.c1,2005,0410:30:00,30 ,248.4722, 403.375, 321.203,45.10533
sgpcmbeC1.c1,2005,0411:30:00,30 ,251.8178,402.4176,325.7496,41.49281
sgpcmbeC1.c1,2005,0412:30:00,30 ,256.0298, 403.498,328.8879,41.34575
sgpcmbeC1.c1,2005,0413:30:00,30 , 258.472,411.1326,333.7072,39.98625
sgpcmbeC1.c1,2005,0414:30:00,29 ,258.4529,413.2377,333.0908,38.33126
sgpcmbeC1.c1,2005,0415:30:00,29 ,260.6852,414.0105,334.8146,37.64135
sgpcmbeC1.c1,2005,0416:30:00,30 ,261.7744,382.4986,329.1485, 32.6196
sgpcmbeC1.c1,2005,0417:30:00,30 , 259.539,373.3014, 327.584,32.36217
sgpcmbeC1.c1,2005,0418:30:00,30 , 258.699,379.3571,326.0711,34.21898
sgpcmbeC1.c1,2005,0419:30:00,30 ,257.4357,392.1709,322.4333,35.37541
sgpcmbeC1.c1,2005,0420:30:00,30 ,256.5724,389.3948, 316.602,33.53899
sgpcmbeC1.c1,2005,0421:30:00,30 ,252.7449,384.0637,311.8308,33.88167
sgpcmbeC1.c1,2005,0422:30:00,30 ,252.2776,385.4832,310.9313,35.93809
sgpcmbeC1.c1,2005,0423:30:00,30 ,248.8885,361.1476,309.9998,37.79495