condition mean min max 4 h after light 47.19791 41.502590000000005 52.650980000000004 8 h after light 69.48362 53.51928 97.62409 12 h after light 64.79682666666666 41.33081 96.7957 16 h after light 74.64435666666667 47.331179999999996 92.92737 4 h after dark 29.61509 24.3568 38.93144 8 h after dark 20.780016666666665 15.085999999999999 24.53342