condition mean min max 0 h after light 0.183911 0.0 0.367822 4 h after light 0.3042325 0.124928 0.483537 8 h after light 0.0606505 0.0 0.121301 4 h after dark 0.3010405 0.0 0.602081 8 h after dark 0.120753 0.0 0.241506 12 h after dark 0.180997 0.122443 0.239551