condition mean min max 4 h after light 158.712318 98.539026 218.88561 8 h after light 234.4943305 190.833527 278.155134 12 h after light 241.50157000000002 205.245606 277.757534 4 h after dark 128.61655050000002 56.21329 201.019811 8 h after dark 72.6120775 52.299756 92.924399 12 h after dark 97.302163 97.302163 97.302163