condition mean min max 0 h after light 9.091125 8.64064 9.54161 2 h after light 4.61323 3.96531 5.26115 4 h after light 5.229495 5.11099 5.348 8 h after light 6.76603 5.8434 7.68866 12 h after light 8.381644999999999 7.39053 9.37276 2 h after dark 8.622315 8.45643 8.7882 4 h after dark 8.126100000000001 7.96853 8.28367 8 h after dark 11.02365 10.8114 11.2359 12 h after dark 10.20722 9.89534 10.5191