condition mean min max 0 h after light 0.27102099999999996 0.270779 0.271263 4 h after light 0.5428774999999999 0.533947 0.551808 8 h after light 1.3578649999999999 1.30928 1.40645 4 h after dark 0.332819 0.200243 0.465395 8 h after dark 0.434766 0.336164 0.533368 12 h after dark 0.6032815 0.46292 0.743643