condition mean min max 4 h after light 5.131971 3.4352620000000003 8.3311 8 h after light 2.9727069999999998 2.779454 3.162184 12 h after light 4.031162333333333 2.5539169999999998 5.2464379999999995 16 h after light 3.4281266666666665 3.243211 3.789508 4 h after dark 3.8509386666666665 3.060602 4.6982349999999995 8 h after dark 5.156261666666667 3.5784870000000004 6.681795