condition mean min max 4 h after light 1.02196 0.90626 1.13766 8 h after light 1.43066 1.42326 1.43806 12 h after light 2.112045 1.50466 2.71943 4 h after dark 1.4142000000000001 1.17792 1.65048 8 h after dark 1.34038 1.2449 1.43586 12 h after dark 1.4178600000000001 1.35413 1.48159