condition mean min max 0 h after light 32.15485 29.5774 34.7323 2 h after light 22.75385 20.7726 24.7351 4 h after light 17.44715 16.8552 18.0391 8 h after light 13.4895 12.0457 14.9333 12 h after light 19.37795 19.2315 19.5244 2 h after dark 22.3425 21.4693 23.2157 4 h after dark 28.2953 28.1507 28.4399 8 h after dark 31.9244 31.4883 32.3605 12 h after dark 27.437 22.411 32.463