condition mean min max 0 h after light 1.56615 1.49945 1.63285 4 h after light 0.8866130000000001 0.872028 0.901198 8 h after light 1.532965 1.31586 1.75007 4 h after dark 2.1093 1.93776 2.28084 8 h after dark 1.480915 1.34013 1.6217 12 h after dark 1.2724355 0.883271 1.6616