condition mean min max 0 h after light 44.16045 43.1427 45.1782 2 h after light 31.2013 30.6224 31.7802 4 h after light 17.88305 16.6007 19.1654 8 h after light 22.79185 21.0361 24.5476 12 h after light 37.0564 35.0946 39.0182 2 h after dark 33.69885 32.8386 34.5591 4 h after dark 44.31085 42.8814 45.7403 8 h after dark 58.18445 52.1469 64.222 12 h after dark 45.5975 43.4507 47.7443