Ambient temperature.
D000818:Animals; D001459:Bangladesh; D003020:Clothing; D003080:Cold Temperature; D003469:Culture; D004777:Environment; D005260:Female; D005843:Geography; D005865:Gestational Age; D006801:Humans; D007564:Japan; D008027:Light; D008297:Male; D010060:Ovulation; D010507:Periodicity; D012098:Reproduction; D012621:Seasons; D012728:Sex Chromatin; D012737:Sex Factors; D013091:Spermatogenesis; D029002:Steam Bath; D013696:Temperature