condition mean min max 4 h after light 0.9743845 0.893589 1.05518 8 h after light 1.2254800000000001 1.03152 1.41944 12 h after light 1.8648099999999999 1.51115 2.21847 4 h after dark 2.185815 2.03209 2.33954 8 h after dark 1.734635 1.69625 1.77302 12 h after dark 1.742565 1.62195 1.86318