condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0898674 0.0516937 0.16231 9 h after light 0.016637033333333332 0.0 0.0499111 12 h after light 0.0631058 0.0 0.103214 3 h after dark 0.0210862 0.0 0.0632586 6 h after dark 0.042021 0.0 0.126063 9 h after dark 0.038408 0.0 0.115224 12 h after dark 0.0 0.0 0.0