condition mean min max 4 h after light 1.74257 1.2649 2.22024 8 h after light 2.5525349999999998 2.53315 2.57192 12 h after light 3.059325 3.05828 3.06037 4 h after dark 2.018328 0.935294 2.9955 8 h after dark 1.61041 1.21872 1.92261 12 h after dark 1.3979706666666667 0.722832 2.10971