condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0289109 0.0 0.0578218 8 h after light 0.02942985 0.0290106 0.0298491 4 h after dark 0.1009671 0.0867382 0.115196 8 h after dark 0.043441 0.0291229 0.0577591 12 h after dark 0.02864575 0.0 0.0572915