condition mean min max 4 h after light 9.399360000000001 8.51632 10.2824 8 h after light 8.93026 7.84692 10.0136 12 h after light 9.382024999999999 8.79422 9.96983 4 h after dark 12.139333333333333 11.3882 12.5329 8 h after dark 12.369466666666666 11.2424 12.9809 12 h after dark 9.45199 8.8322 10.0548