condition mean min max 4 h after light 9.8304455 9.657377 10.003514 8 h after light 9.3478235 8.007943 10.687704 12 h after light 23.68707 12.925504 34.448636 4 h after dark 10.408276 9.900072 10.91648 8 h after dark 26.951937 25.191605 28.712269 12 h after dark 9.890235 9.890235 9.890235