condition mean min max 0 h after light 0.1001365 0.0 0.200273 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0496381 0.0 0.0992762 12 h after dark 0.0488248 0.0 0.0976496