condition mean min max 3 h after light 8.314816666666665 7.62494 9.28519 6 h after light 5.746643333333333 5.02219 7.0136 9 h after light 9.66445 7.97501 11.7357 12 h after light 11.982795 5.27558 14.7466 3 h after dark 9.596936666666666 8.20082 10.6448 6 h after dark 9.453033333333334 8.86301 10.3255 9 h after dark 6.52818 5.76022 7.11399 12 h after dark 4.0098400000000005 3.69989 4.31979