condition mean min max 4 h after light 1.489407214 0.000564428 2.97825 8 h after light 1.65606 1.65019 1.66193 12 h after light 1.4565774999999999 0.895265 2.01789 4 h after dark 0.698983975 0.000289925 1.13984 8 h after dark 1.3067466666666667 1.0103 1.56071 12 h after dark 1.6876766666666667 1.05593 2.52758