datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1999,02 0:30:00,28 ,439.3282,462.9259,449.0632,5.998357 twpcmbeC1.c1,1999,02 1:30:00,28 ,437.1303,462.3651, 448.811,6.661402 twpcmbeC1.c1,1999,02 2:30:00,28 ,435.9694,461.7513,448.2964,6.570145 twpcmbeC1.c1,1999,02 3:30:00,28 ,438.8331,462.4102,448.2523,6.564122 twpcmbeC1.c1,1999,02 4:30:00,28 ,438.4743,463.5376,448.2048,6.520075 twpcmbeC1.c1,1999,02 5:30:00,28 ,435.9799,460.6949,448.0694,6.611972 twpcmbeC1.c1,1999,02 6:30:00,28 ,439.6973,461.6306, 450.084,5.730956 twpcmbeC1.c1,1999,02 7:30:00,28 ,449.1051,477.1705, 463.809,7.114799 twpcmbeC1.c1,1999,02 8:30:00,28 ,447.7927,505.2039,475.5844,15.42315 twpcmbeC1.c1,1999,02 9:30:00,28 ,443.0112,515.7008,486.3297,20.04111 twpcmbeC1.c1,1999,0210:30:00,26 ,445.2671,529.2657,494.2488, 25.2032 twpcmbeC1.c1,1999,0211:30:00,26 ,446.7859,536.4022,499.7467,29.34475 twpcmbeC1.c1,1999,0212:30:00,26 ,444.1004,543.3923,501.3479,27.35224 twpcmbeC1.c1,1999,0213:30:00,26 , 446.676, 536.364,500.4048,26.04432 twpcmbeC1.c1,1999,0214:30:00,27 ,448.4546,531.9694,496.6427,23.04768 twpcmbeC1.c1,1999,0215:30:00,27 ,449.9423,523.7127,491.4722,21.13069 twpcmbeC1.c1,1999,0216:30:00,27 ,455.8569,507.8713,482.1208,14.77002 twpcmbeC1.c1,1999,0217:30:00,27 ,444.3813,485.7809,469.3196,8.981469 twpcmbeC1.c1,1999,0218:30:00,27 , 444.525,467.8796,458.1678,5.502763 twpcmbeC1.c1,1999,0219:30:00,27 ,442.5087,464.0604,453.4252,5.448402 twpcmbeC1.c1,1999,0220:30:00,27 ,441.6328,464.5472,450.8443,5.835634 twpcmbeC1.c1,1999,0221:30:00,27 ,440.9068,462.6828,449.6961, 6.01165 twpcmbeC1.c1,1999,0222:30:00,27 ,439.0574,463.4138,449.3136,6.300414 twpcmbeC1.c1,1999,0223:30:00,27 ,440.9997,463.8306,449.5774,6.281936