datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2002,07 0:30:00,31 , 435.266,457.7255,449.2942,5.482897 twpcmbeC1.c1,2002,07 1:30:00,31 ,434.4821,457.5795,448.8704,5.788508 twpcmbeC1.c1,2002,07 2:30:00,31 ,433.8844, 456.463,448.8282,5.200205 twpcmbeC1.c1,2002,07 3:30:00,31 ,432.7136,455.7772,448.2228,4.929012 twpcmbeC1.c1,2002,07 4:30:00,31 ,434.1145,456.1765,447.9527, 4.75323 twpcmbeC1.c1,2002,07 5:30:00,31 ,434.3494,456.4888,446.9416,5.645528 twpcmbeC1.c1,2002,07 6:30:00,31 ,435.0287,457.2327,448.4453,5.931094 twpcmbeC1.c1,2002,07 7:30:00,31 ,440.1061, 472.499,459.7447, 7.87264 twpcmbeC1.c1,2002,07 8:30:00,31 ,445.9789,502.1024,473.9589,15.17226 twpcmbeC1.c1,2002,07 9:30:00,31 ,446.7343,520.6606,487.2345,20.35074 twpcmbeC1.c1,2002,0710:30:00,31 ,453.9561,547.0941,503.2106,25.50852 twpcmbeC1.c1,2002,0711:30:00,31 ,444.4778,555.6057,511.9781,28.38972 twpcmbeC1.c1,2002,0712:30:00,31 ,444.9932,564.0082, 513.227,30.69435 twpcmbeC1.c1,2002,0713:30:00,31 ,448.1972,558.7435,509.3442,29.69496 twpcmbeC1.c1,2002,0714:30:00,31 ,442.6978,546.1127,503.7751,28.26921 twpcmbeC1.c1,2002,0715:30:00,31 ,440.8787,529.7607,492.3279,22.85144 twpcmbeC1.c1,2002,0716:30:00,31 ,438.3298,501.8875, 478.357, 15.6129 twpcmbeC1.c1,2002,0717:30:00,31 ,436.3929,478.5541,463.4939,9.254471 twpcmbeC1.c1,2002,0718:30:00,31 ,435.3263,462.2523, 453.356,5.866423 twpcmbeC1.c1,2002,0719:30:00,31 ,436.8052,462.3089,451.4053,5.713757 twpcmbeC1.c1,2002,0720:30:00,31 ,439.3262,458.4107, 450.279,5.204281 twpcmbeC1.c1,2002,0721:30:00,31 ,438.2777,457.6445,449.6057,5.143658 twpcmbeC1.c1,2002,0722:30:00,31 ,437.3822,457.5397,449.3595,5.376857 twpcmbeC1.c1,2002,0723:30:00,31 ,437.9797, 458.143,449.7172,5.086012