datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,31 ,       0,0.378476,0.013169,0.068005
sgpcmbeC1.c1,2000,03 1:30:00,29 ,       0,0.032871,0.001138,0.006103
sgpcmbeC1.c1,2000,03 2:30:00,30 ,       0,0.116532,0.003929,0.021269
sgpcmbeC1.c1,2000,03 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 4:30:00,31 ,       0,0.021188,0.000696,0.003804
sgpcmbeC1.c1,2000,03 5:30:00,31 ,       0,0.014796,0.000521, 0.00266
sgpcmbeC1.c1,2000,03 6:30:00,31 ,       0,26.08261,5.534435,7.802203
sgpcmbeC1.c1,2000,03 7:30:00,31 ,   0.479,206.2957,72.22795, 59.4765
sgpcmbeC1.c1,2000,03 8:30:00,31 ,3.166554,427.5641,198.6602,140.1748
sgpcmbeC1.c1,2000,03 9:30:00,31 ,39.00792,603.2537,317.7555,213.4161
sgpcmbeC1.c1,2000,0310:30:00,31 ,35.86031,758.1237,403.4723,278.7278
sgpcmbeC1.c1,2000,0311:30:00,31 ,51.30602,858.0334,508.6172,280.1452
sgpcmbeC1.c1,2000,0312:30:00,31 ,29.34685,898.5125,539.9566,319.0621
sgpcmbeC1.c1,2000,0313:30:00,31 ,31.28598,874.2185,552.8336,298.6659
sgpcmbeC1.c1,2000,0314:30:00,31 ,34.72591,780.7737,482.6588,257.1666
sgpcmbeC1.c1,2000,0315:30:00,31 , 13.1684,632.1836,369.3127,214.3755
sgpcmbeC1.c1,2000,0316:30:00,31 ,18.29558,436.2092,239.5531,150.8558
sgpcmbeC1.c1,2000,0317:30:00,31 ,8.274541, 219.272,113.2326,68.67781
sgpcmbeC1.c1,2000,0318:30:00,31 ,1.052944, 48.2724,15.40658,12.60772
sgpcmbeC1.c1,2000,0319:30:00,31 ,       0,0.013525,0.000664,0.002478
sgpcmbeC1.c1,2000,0320:30:00,31 ,       0, 0.02024,0.000761,0.003665
sgpcmbeC1.c1,2000,0321:30:00,30 ,       0,0.409331,0.019391, 0.07513
sgpcmbeC1.c1,2000,0322:30:00,30 ,       0,0.092742,0.011334,0.028547
sgpcmbeC1.c1,2000,0323:30:00,31 ,       0,0.026527,0.001295,0.004974