condition mean min max 3 h after light 17.8832 15.0145 19.6527 6 h after light 18.3933 11.4148 22.7537 9 h after light 25.8357 17.5891 36.2595 12 h after light 24.850225 15.4386 32.241 3 h after dark 34.22846666666666 31.0678 36.8931 6 h after dark 20.236266666666666 19.0454 22.2074 9 h after dark 13.834066666666667 12.6848 15.9022 12 h after dark 10.13584 8.97778 11.2939