condition mean min max 3 h after light 7.113043333333334 4.6958 9.26529 6 h after light 4.731456666666666 2.97811 6.20831 9 h after light 2.18797 1.37799 2.74735 12 h after light 1.5881494999999999 0.255238 2.58221 3 h after dark 0.92579 0.0 1.58276 6 h after dark 0.4524223333333333 0.273481 0.630827 9 h after dark 0.809145 0.0 1.72977 12 h after dark 0.278795 0.244097 0.313493