condition mean min max 0 h after light 0.30786199999999997 0.306799 0.308925 4 h after light 0.186168 0.120248 0.252088 8 h after light 0.560783 0.36624 0.755326 4 h after dark 0.45376950000000005 0.240512 0.667027 8 h after dark 0.21285300000000001 0.181563 0.244143 12 h after dark 0.2446915 0.24172 0.247663