condition mean min max 4 h after light 10.32462 9.188511 11.460729 8 h after light 10.7538935 9.71355 11.794237 12 h after light 11.116645 10.772561 11.460729 4 h after dark 10.788022999999999 10.086743 11.489303 8 h after dark 13.5074325 12.464778 14.550087 12 h after dark 12.460647 12.460647 12.460647