condition mean min max 0 h after light 50.405150000000006 50.3477 50.4626 4 h after light 44.35435 40.9541 47.7546 8 h after light 87.63034999999999 81.7372 93.5235 4 h after dark 99.74085 86.0927 113.389 8 h after dark 75.43424999999999 73.5008 77.3677 12 h after dark 46.6091 44.3215 48.8967