datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2007,01 0:30:00,31 ,410.5688,446.6335,429.9841,8.215406 twpcmbeC1.c1,2007,01 1:30:00,31 ,408.8892,447.3087,430.5291,9.278779 twpcmbeC1.c1,2007,01 2:30:00,31 ,407.7222,445.4262,429.0257,10.42633 twpcmbeC1.c1,2007,01 3:30:00,31 ,408.5775,443.8697,427.5927,9.301319 twpcmbeC1.c1,2007,01 4:30:00,31 ,409.6776,439.9622,428.2579,9.159946 twpcmbeC1.c1,2007,01 5:30:00,31 ,409.2238,441.7432,427.9299, 9.01227 twpcmbeC1.c1,2007,01 6:30:00,31 ,411.7545,440.7199,428.0778,7.593699 twpcmbeC1.c1,2007,01 7:30:00,31 ,409.0579,444.3673,427.9805,9.892564 twpcmbeC1.c1,2007,01 8:30:00,31 ,412.9092,448.5921,428.8125,8.304489 twpcmbeC1.c1,2007,01 9:30:00,31 , 417.998,449.6803,434.5633,8.665864 twpcmbeC1.c1,2007,0110:30:00,31 ,420.0349, 449.608,436.0033,7.083675 twpcmbeC1.c1,2007,0111:30:00,31 ,421.8943,456.6131,438.6292,9.065297 twpcmbeC1.c1,2007,0112:30:00,31 ,421.3802,456.6518,439.3241,9.497734 twpcmbeC1.c1,2007,0113:30:00,31 ,423.6374,452.6902,438.9527, 7.97927 twpcmbeC1.c1,2007,0114:30:00,31 ,422.2236,455.9851,437.5313,7.256007 twpcmbeC1.c1,2007,0115:30:00,31 ,423.2822,451.3873,436.9466,7.887126 twpcmbeC1.c1,2007,0116:30:00,31 ,422.0245,445.3533,434.0216,7.228688 twpcmbeC1.c1,2007,0117:30:00,31 ,417.9177,450.1713,433.7157,8.809112 twpcmbeC1.c1,2007,0118:30:00,31 ,417.1537,453.6586, 433.478, 8.33079 twpcmbeC1.c1,2007,0119:30:00,31 , 417.362,449.4558,431.9492,7.972105 twpcmbeC1.c1,2007,0120:30:00,31 ,415.5904,447.1552,431.0073,7.516411 twpcmbeC1.c1,2007,0121:30:00,31 ,415.9471,448.2089, 429.666,8.492049 twpcmbeC1.c1,2007,0122:30:00,31 ,415.4503,438.8905,428.4369,7.016925 twpcmbeC1.c1,2007,0123:30:00,31 ,414.7834, 441.232,428.6708,7.524142