最高気温が30度を越えた連続日数を表示せよ

以下の配列は2019/7/1〜9/30までの最高気温の配列です。 最も長い、30度を越えた連続日数を求めるプログラムを作成せよ

const temperatures = [25.7, 27.2, 26.3, 28.8, 30.5, 27.9, 29.5, 28.6, 28.5, 31.0, 24.8, 29.8, 26.3, 25.5, 29.2, 30.4, 30.3, 29.3, 26.3, 29.9, 30.3, 28.1, 32.0, 31.8, 32.1, 34.1, 29.1, 31.7, 32.9, 33.1, 34.8, 35.2, 36.5, 34.1, 33.0, 36.2, 34.9, 34.0, 32.3, 33.3, 34.5, 34.4, 36.7, 36.6, 35.6, 32.2, 31.2, 33.2, 33.7, 31.1, 30.6, 31.7, 31.9, 29.3, 28.9, 30.5, 29.6, 26.9, 27.5, 29.8, 28.2, 28.4, 29.0, 31.8, 31.2, 32.5, 33.2, 33.7, 34.7, 35.1, 32.3, 33.4, 32.7, 30.6, 26.9, 31.6, 32.5, 32.0, 31.9, 30.7, 27.6, 27.2, 25.1, 28.5, 28.9, 25.5, 28.4, 30.1, 29.2, 29.0, 29.9, 30.6]

解答例

const temperatures = [25.7, 27.2, 26.3, 28.8, 30.5, 27.9, 29.5, 28.6, 28.5, 31.0, 24.8, 29.8, 26.3, 25.5, 29.2, 30.4, 30.3, 29.3, 26.3, 29.9, 30.3, 28.1, 32.0, 31.8, 32.1, 34.1, 29.1, 31.7, 32.9, 33.1, 34.8, 35.2, 36.5, 34.1, 33.0, 36.2, 34.9, 34.0, 32.3, 33.3, 34.5, 34.4, 36.7, 36.6, 35.6, 32.2, 31.2, 33.2, 33.7, 31.1, 30.6, 31.7, 31.9, 29.3, 28.9, 30.5, 29.6, 26.9, 27.5, 29.8, 28.2, 28.4, 29.0, 31.8, 31.2, 32.5, 33.2, 33.7, 34.7, 35.1, 32.3, 33.4, 32.7, 30.6, 26.9, 31.6, 32.5, 32.0, 31.9, 30.7, 27.6, 27.2, 25.1, 28.5, 28.9, 25.5, 28.4, 30.1, 29.2, 29.0, 29.9, 30.6]

let max = 0
let count = 0
for (let i = 0; i < temperatures.length; i++) {
  const temp = temperatures[i]
  if (temp >= 30) {
    count++
    if (max < count) {
      max = count
    }
  } else {
    count = 0
  }
}
console.log(max)