condition mean min max 4 h after light 808.66 745.35 847.74 8 h after light 729.9505555666667 713.4266667 762.82 12 h after light 720.4533333333334 653.7066667 812.95 1.5 h after dark 837.1 710.1 915.64 5.5 h after dark 1022.5600001 944.8933333 1089.73 9.5 h after dark 993.0733332333333 954.3866667 1026.573333