condition mean min max 0 h after light 1.7154150000000001 1.14497 2.28586 4 h after light 0.58228 0.0 1.16456 8 h after light 1.728805 1.13075 2.32686 4 h after dark 1.688185 1.1225 2.25387 8 h after dark 2.26077 2.25128 2.27026 12 h after dark 4.503415 3.42418 5.58265