condition mean min max 4 h after light 63.81975 62.6726 64.9669 8 h after light 24.31525 23.8893 24.7412 12 h after light 13.23155 11.992 14.4711 4 h after dark 28.021766666666668 26.9924 29.009 8 h after dark 47.0258 43.2296 52.0111 12 h after dark 63.206633333333336 60.3399 67.5253