condition mean min max 4 h after light 0.2433435 0.177664 0.309023 8 h after light 0.2532735 0.224986 0.281561 12 h after light 0.3827565 0.328114 0.437399 4 h after dark 0.9001573333333334 0.583452 1.19072 8 h after dark 0.13718033333333332 0.0 0.411541 12 h after dark 0.12787 0.0 0.38361