condition mean min max 4 h after light 7.19104 6.37444 8.00764 8 h after light 7.99362 6.72692 9.26032 12 h after light 4.63225 4.35931 4.90519 4 h after dark 10.617773333333334 8.30872 14.2407 8 h after dark 10.40018 9.84385 11.4992 12 h after dark 7.7749033333333335 6.76038 8.53556