condition mean min max 0 h after light 8.056015 6.90661 9.20542 2 h after light 6.26853 6.25994 6.27712 4 h after light 5.956165 3.22384 8.68849 8 h after light 7.627995 7.44399 7.812 12 h after light 11.667200000000001 10.5702 12.7642 2 h after dark 10.033915 9.57143 10.4964 4 h after dark 12.241800000000001 11.2073 13.2763 8 h after dark 18.133499999999998 16.6465 19.6205 12 h after dark 9.28403 8.77671 9.79135