condition mean min max 4 h after light 5.12398 4.85276 5.27134 8 h after light 4.61655 4.5526800000000005 4.69378 12 h after light 4.706239999999999 4.6959599999999995 4.72605 4 h after dark 5.61055 5.45676 5.75122 8 h after dark 6.425493333333334 6.11723 6.77499 12 h after dark 8.24365 8.04428 8.48425