condition mean min max 0 h after light 22.1467 18.0338 26.2596 2 h after light 7.76724 7.37046 8.16402 4 h after light 5.985855 5.98039 5.99132 8 h after light 6.453984999999999 5.4268 7.48117 12 h after light 8.54749 7.27558 9.8194 2 h after dark 5.6700099999999996 4.8144 6.52562 4 h after dark 9.838519999999999 8.58064 11.0964 8 h after dark 18.6017 17.3142 19.8892 12 h after dark 17.70195 15.1058 20.2981