condition mean min max 4 h after light 27.9965575 26.141209 29.851906 8 h after light 27.902883 25.95386 29.851906 12 h after light 29.851906 29.851906 29.851906 4 h after dark 28.7336755 28.323654 29.143697 8 h after dark 32.542054 30.167838 34.91627 12 h after dark 28.374217 28.374217 28.374217