condition mean min max 0 h after light 0.435127 0.0 0.870254 4 h after light 0.577134 0.234512 0.919756 8 h after light 0.3431895 0.223286 0.463093 4 h after dark 1.0286635 0.626697 1.43063 8 h after dark 0.40041099999999996 0.206629 0.594193 12 h after dark 0.4079165 0.398315 0.417518