condition mean min max 0 h after light 3.45363 3.20723 3.70003 2 h after light 1.5342 1.39599 1.67241 4 h after light 0.597391 0.488247 0.706535 8 h after light 0.5696545 0.543806 0.595503 12 h after light 1.226399 0.916968 1.53583 2 h after dark 1.0938295 0.753009 1.43465 4 h after dark 2.039685 1.9087 2.17067 8 h after dark 3.205355 2.91858 3.49213 12 h after dark 3.376775 3.00914 3.74441