condition mean min max 4 h after light 2.94331 2.4834 3.83567 8 h after light 2.107238 0.548184 3.2341 12 h after light 2.57436 1.25269 3.37435 4 h after dark 4.052753333333333 2.85931 4.89463 8 h after dark 4.0051 3.40649 4.48804 12 h after dark 3.0973066666666664 2.55455 3.57788