condition mean min max 4 h after light 10.690573 10.387449 10.993697 8 h after light 10.4175285 10.387449 10.447608 12 h after light 10.6268545 10.11503 11.138679 4 h after dark 10.0345385 9.461047 10.60803 8 h after dark 10.146619 9.264287 11.028951 12 h after dark 9.472132 9.472132 9.472132