Mon Mean T300(C) Std Deviation 1 20.7850933 0.3507667 2 20.7975044 0.3600735 3 20.8514709 0.3375826 4 20.8421688 0.3174119 5 20.7418785 0.2870934 6 20.5992317 0.2769649 7 20.4974289 0.2695027 8 20.5024776 0.2717095 9 20.6073761 0.2640643 10 20.7706738 0.2555399 11 20.8913975 0.2743447 12 20.8597527 0.3146093