condition mean min max 0 h after light 67.9096 62.2175 73.6017 2 h after light 18.5254 18.024 19.0268 4 h after light 16.46715 15.3607 17.5736 8 h after light 8.873529999999999 8.63116 9.1159 12 h after light 15.77175 14.4951 17.0484 2 h after dark 22.20445 21.265 23.1439 4 h after dark 27.4062 26.4376 28.3748 8 h after dark 47.75405 42.8923 52.6158 12 h after dark 68.39025 62.7793 74.0012