condition mean min max 2 h after light 41.87806666666667 40.3236 44.7366 6 h after light 58.2954 56.3597 60.6328 10 h after light 70.4433 67.3261 75.6681 2 h after dark 63.8162 59.3942 68.6314 6 h after dark 59.4386 57.0237 63.7835 10 h after dark 49.2029 47.4255 50.9285