condition mean min max 2 h after light 76.50906666666667 72.4844 81.8723 6 h after light 80.8516 76.2784 84.5161 10 h after light 78.30173333333333 74.8611 80.9317 2 h after dark 44.92093333333333 43.0329 46.7668 6 h after dark 32.8348 30.1658 35.0476 10 h after dark 23.3743 22.2945 25.0622