condition mean min max 0 h after light 1.124625 1.07327 1.17598 4 h after light 1.40823 1.19611 1.62035 8 h after light 1.8252249999999999 1.19495 2.4555 4 h after dark 2.3423350000000003 1.81887 2.8658 8 h after dark 2.00807 1.71769 2.29845 12 h after dark 1.288418 0.971346 1.60549