condition mean min max 3 h after light 67.719 61.4024 75.2169 6 h after light 52.22156666666667 46.286 57.3371 9 h after light 44.00203333333334 41.2604 46.0429 12 h after light 51.4799 31.7798 102.91 3 h after dark 45.40803333333333 42.3137 48.1737 6 h after dark 63.442433333333334 60.6064 66.5926 9 h after dark 80.2996 74.6728 86.3806 12 h after dark 110.90950000000001 105.29 116.529