condition mean min max 4 h after light 2.89123 2.54747 3.23499 8 h after light 5.127325 4.62941 5.62524 12 h after light 7.56141 7.35659 7.76623 4 h after dark 6.40947 6.34254 6.472 8 h after dark 3.22139 2.38931 3.91955 12 h after dark 3.9953499999999997 3.49126 4.45499