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 ,       0,25.85661,5.267006,7.839487
sgpcmbeC1.c1,2000,03 7:30:00,31 , 0.05816,206.2957,72.15304,59.56072
sgpcmbeC1.c1,2000,03 8:30:00,31 ,2.558071,427.5641,198.6406,140.2031
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 ,29.34685,898.5125,539.9546,319.0652
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 ,13.00224,632.1836,369.3073,214.3847
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 ,0.549102, 48.2724,15.15405,12.69115
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