condition mean min max 0 h after light 1.107283 0.557366 1.6572 2 h after light 0.777721 0.691299 0.864143 4 h after light 1.099665 1.06668 1.13265 8 h after light 1.053051 0.931942 1.17416 12 h after light 1.478965 1.41281 1.54512 2 h after dark 1.3325749999999998 1.12031 1.54484 4 h after dark 1.237275 1.0714 1.40315 8 h after dark 1.4383149999999998 1.32428 1.55235 12 h after dark 1.273425 1.04826 1.49859