condition mean min max 0 h after light 39.343149999999994 35.9126 42.7737 2 h after light 4.10776 3.43143 4.78409 4 h after light 6.3092749999999995 5.24294 7.37561 8 h after light 6.59532 6.1156 7.07504 12 h after light 5.176235 4.02898 6.32349 2 h after dark 15.0677 12.8291 17.3063 4 h after dark 32.341 27.9071 36.7749 8 h after dark 57.7533 49.2025 66.3041 12 h after dark 43.111149999999995 41.7703 44.452