condition mean min max 4 h after light 17.063726 13.361407 20.766045 8 h after light 15.4547545 14.935019 15.97449 12 h after light 15.9576065 14.021986 17.893227 4 h after dark 23.603196999999998 14.808122 32.398272 8 h after dark 25.040371999999998 17.288475 32.792269 12 h after dark 18.112676 18.112676 18.112676