condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.04385275 0.0 0.0877055 12 h after light 0.0852955 0.0 0.170591 2 h after dark 0.0950595 0.0 0.190119 4 h after dark 0.0816245 0.0 0.163249 8 h after dark 0.1381755 0.0 0.276351 12 h after dark 0.17610275 0.0906535 0.261552