condition mean min max 4 h after light 16.761794000000002 14.799253 18.724335 8 h after light 14.50114 14.026142 14.976138 12 h after light 15.0546455 14.082116 16.027175 4 h after dark 12.0879105 10.409557 13.766264 8 h after dark 14.729471499999999 11.456088 18.002855 12 h after dark 12.518486 12.518486 12.518486