condition mean min max 0 h after light 0.2168935 0.144424 0.289363 4 h after light 0.25633395 0.0711969 0.441471 8 h after light 0.2898995 0.28577 0.294029 4 h after dark 0.17744325 0.0712015 0.283685 8 h after dark 0.14313835 0.0711197 0.215157 12 h after dark 0.2139885 0.211632 0.216345