condition mean min max 4 h after light 105.7362 95.0614 116.411 8 h after light 63.85715 62.6288 65.0855 12 h after light 98.56705 94.2661 102.868 4 h after dark 124.249 109.023 139.475 8 h after dark 118.9305 118.367 119.494 12 h after dark 117.8035 112.553 123.054