condition mean min max 4 h after light 1392.3101935 705.793523 2078.826864 8 h after light 1713.6639465 1567.557375 1859.770518 12 h after light 1300.714859 943.798966 1657.630752 4 h after dark 384.4243645 138.770518 630.078211 8 h after dark 214.1899775 147.334981 281.044974 12 h after dark 590.636844 590.636844 590.636844