condition mean min max 4 h after light 8.177133666666666 3.30654 11.37888 8 h after light 12.947403333333334 3.9143830000000004 30.4182 12 h after light 6.018307 4.140572 7.344011 16 h after light 17.881909999999998 13.477089999999999 20.12975 4 h after dark 614.4317666666667 450.1874 739.1031 8 h after dark 32.33331333333334 19.58274 52.85366