condition mean min max 0 h after light 9.300665 7.79493 10.8064 2 h after light 3.93712 3.47309 4.40115 4 h after light 4.471285 4.15359 4.78898 8 h after light 3.3982900000000003 3.323 3.47358 12 h after light 4.497225 4.02823 4.96622 2 h after dark 4.8378250000000005 4.22246 5.45319 4 h after dark 6.086684999999999 5.03093 7.14244 8 h after dark 9.476925000000001 9.19236 9.76149 12 h after dark 9.248650000000001 9.21563 9.28167