condition mean min max 4 h after light 12.34534 9.45978 15.2309 8 h after light 8.382214999999999 8.24274 8.52169 12 h after light 3.728605 3.70889 3.74832 4 h after dark 5.053815 4.93981 5.16782 8 h after dark 6.7844 5.21407 8.35473 12 h after dark 12.07205 11.5762 12.5679