condition mean min max 0 h after light 0.04948075 0.0330264 0.0659351 4 h after light 0.06557415 0.0336357 0.0975126 8 h after light 0.13235049999999998 0.130465 0.134236 4 h after dark 0.1459585 0.130025 0.161892 8 h after dark 0.163183 0.162345 0.164021 12 h after dark 0.04902635 0.0322061 0.0658466