condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0311874 0.0 0.0623748 12 h after light 0.190055 0.151572 0.228538 4 h after dark 0.26754049999999996 0.168867 0.366214 8 h after dark 0.1829325 0.132294 0.233571 12 h after dark 0.12101599999999998 0.110632 0.1314