datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1998,03 0:30:00,30 ,429.2141,459.1757,449.2674, 6.64209 twpcmbeC1.c1,1998,03 1:30:00,29 ,427.8076,456.6862,448.6162, 6.60036 twpcmbeC1.c1,1998,03 2:30:00,29 ,426.5366,456.7753,448.0937,5.735907 twpcmbeC1.c1,1998,03 3:30:00,29 ,425.2379,458.9866,447.5209,6.550468 twpcmbeC1.c1,1998,03 4:30:00,28 ,425.6463,458.0562,446.2493,6.834086 twpcmbeC1.c1,1998,03 5:30:00,30 ,425.6678,455.6416,446.5784,6.232863 twpcmbeC1.c1,1998,03 6:30:00,29 ,431.9381,457.6659,449.4565,5.318186 twpcmbeC1.c1,1998,03 7:30:00,30 ,444.7146,484.0326,468.7583,8.093271 twpcmbeC1.c1,1998,03 8:30:00,30 ,441.5279,517.3384,491.0212,17.11383 twpcmbeC1.c1,1998,03 9:30:00,30 ,445.4212,543.9798,510.0371,23.11391 twpcmbeC1.c1,1998,0310:30:00,29 ,447.2377,565.7695,523.5761,27.64675 twpcmbeC1.c1,1998,0311:30:00,29 ,450.3028,585.6927, 532.557,32.52629 twpcmbeC1.c1,1998,0312:30:00,29 ,453.2027,592.9365,537.5001,30.61091 twpcmbeC1.c1,1998,0313:30:00,29 ,453.3665,597.5864,536.7742,29.79448 twpcmbeC1.c1,1998,0314:30:00,29 ,455.3148,584.3763,526.4077, 27.3898 twpcmbeC1.c1,1998,0315:30:00,29 ,458.9768,542.1432,512.5054, 20.8819 twpcmbeC1.c1,1998,0316:30:00,29 , 461.178, 526.287,496.6638,16.39789 twpcmbeC1.c1,1998,0317:30:00,29 ,454.1981,487.5576,476.0535,8.612828 twpcmbeC1.c1,1998,0318:30:00,29 ,446.9597,473.0458, 459.631,4.359571 twpcmbeC1.c1,1998,0319:30:00,29 ,440.2821, 469.211,454.6875,5.784361 twpcmbeC1.c1,1998,0320:30:00,29 ,436.7437,467.0846,453.0198,5.825203 twpcmbeC1.c1,1998,0321:30:00,29 ,440.3896,464.1452,452.1853,5.366598 twpcmbeC1.c1,1998,0322:30:00,28 , 440.414,461.1941,451.5861,5.467573 twpcmbeC1.c1,1998,0323:30:00,29 , 439.946,462.0188,451.2013,5.701216