condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0180221 0.0 0.0540663 12 h after light 0.035535000000000004 0.0 0.106605 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04298366666666667 0.0 0.128951 12 h after dark 0.08651946666666667 0.0460604 0.110144