datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,1999,09 0:30:00,29 ,437.0738,454.1763, 445.478,3.641474 twpcmbeC2.c1,1999,09 1:30:00,29 ,435.6599,453.8219,444.1269,3.660894 twpcmbeC2.c1,1999,09 2:30:00,29 ,433.8131,452.0192,442.9209,3.983287 twpcmbeC2.c1,1999,09 3:30:00,29 ,431.4977,450.2058,441.1857,3.680642 twpcmbeC2.c1,1999,09 4:30:00,29 ,430.1813,449.0037, 439.729,3.599321 twpcmbeC2.c1,1999,09 5:30:00,29 ,429.7672,445.5823,438.4641, 3.86096 twpcmbeC2.c1,1999,09 6:30:00,29 ,429.0573,445.0431,437.8389,4.167004 twpcmbeC2.c1,1999,09 7:30:00,29 ,442.7575,455.7714,448.4201,3.137849 twpcmbeC2.c1,1999,09 8:30:00,29 ,458.8947,482.6529,470.2305,7.043614 twpcmbeC2.c1,1999,09 9:30:00,29 ,470.1808,508.5624,491.7773,11.27358 twpcmbeC2.c1,1999,0910:30:00,29 , 487.938,537.5208,513.4468,14.35254 twpcmbeC2.c1,1999,0911:30:00,27 ,485.6754,558.7968, 526.919,18.32364 twpcmbeC2.c1,1999,0912:30:00,27 ,494.0359,569.5392,536.5499, 19.965 twpcmbeC2.c1,1999,0913:30:00,27 ,469.8664, 562.17,536.9808,21.75769 twpcmbeC2.c1,1999,0914:30:00,29 ,489.0929,559.7934,533.8144,17.68947 twpcmbeC2.c1,1999,0915:30:00,28 ,486.2355,549.4979,524.5481,15.19295 twpcmbeC2.c1,1999,0916:30:00,30 ,476.8334,527.8863, 505.755,12.27489 twpcmbeC2.c1,1999,0917:30:00,30 ,464.1259,509.0755,486.9802, 9.69021 twpcmbeC2.c1,1999,0918:30:00,30 ,456.4492,484.3681,467.3216, 5.86324 twpcmbeC2.c1,1999,0919:30:00,30 ,450.2096,471.4906, 457.642,4.647878 twpcmbeC2.c1,1999,0920:30:00,30 ,447.6532,463.3819,453.5386,3.602379 twpcmbeC2.c1,1999,0921:30:00,30 ,445.5707,459.3189,451.0936,3.376013 twpcmbeC2.c1,1999,0922:30:00,30 ,443.5005,455.6925,448.8279,3.307348 twpcmbeC2.c1,1999,0923:30:00,30 , 440.003,455.9771,447.2204,3.622897