condition mean min max 0 h after light 0.390361 0.156367 0.624355 4 h after light 0.43222 0.30779 0.55665 8 h after light 0.3144305 0.231639 0.397222 4 h after dark 0.307355 0.229948 0.384762 8 h after dark 0.8109584999999999 0.691776 0.930141 12 h after dark 0.581151 0.304967 0.857335