condition mean min max 4 h after light 3.4959 3.36579 3.62601 8 h after light 3.7750500000000002 3.61726 3.93284 12 h after light 3.6173900000000003 3.53107 3.70371 4 h after dark 8.931905 7.69691 10.1669 8 h after dark 7.01343 6.53973 7.48713 12 h after dark 5.762595 4.59169 6.9335