condition mean min max 0 h after light 3.71196 3.6142 3.80972 2 h after light 11.193000000000001 10.6356 11.7504 4 h after light 15.02505 12.853 17.1971 8 h after light 34.17885 29.1602 39.1975 12 h after light 40.870900000000006 39.6268 42.115 2 h after dark 33.9349 29.4983 38.3715 4 h after dark 34.553399999999996 31.6197 37.4871 8 h after dark 31.27155 30.9536 31.5895 12 h after dark 8.373755 7.39442 9.35309