condition mean min max 4 h after light 174.08155 83.3281 264.835 8 h after light 176.6855 124.65 228.721 12 h after light 199.062 140.965 257.159 4 h after dark 89.30185 76.2457 102.358 8 h after dark 97.67515 81.5103 113.84 12 h after dark 80.8365 78.3179 83.3551