condition mean min max 0 h after light 7.55551 6.84325 8.26777 2 h after light 10.292005 8.88931 11.6947 4 h after light 11.6933 10.6111 12.7755 8 h after light 6.977615 5.92602 8.02921 12 h after light 6.294525 5.33145 7.2576 2 h after dark 4.86001 4.34955 5.37047 4 h after dark 5.34607 5.3131 5.37904 8 h after dark 5.419795000000001 5.1565 5.68309 12 h after dark 9.892705 8.71011 11.0753