condition mean min max 0 h after light 0.9371245 0.909324 0.964925 2 h after light 0.6712725 0.646997 0.695548 4 h after light 0.4018095 0.0 0.803619 8 h after light 0.5515125 0.461841 0.641184 12 h after light 2.14555 1.68747 2.60363 2 h after dark 2.59021 2.01642 3.164 4 h after dark 1.818745 1.12438 2.51311 8 h after dark 1.643025 1.45352 1.83253 12 h after dark 1.484475 1.411 1.55795