condition mean min max 4 h after light 0.01558725 0.0 0.0311745 8 h after light 0.01471065 0.011324 0.0180973 12 h after light 0.03665175 0.0263926 0.0469109 4 h after dark 0.021451333333333333 0.0 0.064354 8 h after dark 0.05246156666666667 0.0331033 0.0856114 12 h after dark 0.016461966666666668 0.0 0.0339576