にちかくさ 日較差 LinksSentence search for 日較差Sentence search for にちかくさSentence search for にっこうさKanji details for 日, 較 and 差Edit in JMdict Noun1. diurnal range (of temperature); daily rangeMeteorologyOther forms日較差 【にっこうさ】 Discussions Log in to talk about this word.