平年値（日ごとの値）
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八戸（青森県) 9月 平年値（日ごとの値） 主な要素
| 要素 | 降水量 (mm) | 平均気温 (℃) | 最高気温 (℃) | 最低気温 (℃) | 日照時間 (時間) | 全天日射量 (MJ/㎡) | 平均雲量 | 降雪の深さ合計 (cm) | 最深積雪 (cm) |
|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2007 | 1991～ 2007 | 1991～ 2020 | 1991～ 2020 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 17 | 17 | 30 | 30 |
| 1日 | 4.9 | 21.6 | 25.5 | 18.4 | 4.7 | 13.7 @ | 7.8 @ | --- | --- |
| 2日 | 4.8 | 21.5 | 25.4 | 18.3 | 4.7 | 13.5 @ | 7.8 @ | --- | --- |
| 3日 | 4.8 | 21.4 | 25.3 | 18.2 | 4.7 | 13.4 @ | 7.9 @ | --- | --- |
| 4日 | 4.8 | 21.4 | 25.3 | 18.1 | 4.7 | 13.2 @ | 7.9 @ | --- | --- |
| 5日 | 4.9 | 21.2 | 25.2 | 18.0 | 4.7 | 13.1 @ | 7.9 @ | --- | --- |
| 6日 | 5.0 | 21.1 | 25.1 | 17.8 | 4.7 | 13.0 @ | 7.8 @ | --- | --- |
| 7日 | 5.2 | 21.0 | 25.0 | 17.7 | 4.7 | 12.9 @ | 7.8 @ | --- | --- |
| 8日 | 5.5 | 20.9 | 24.8 | 17.5 | 4.7 | 12.7 @ | 7.8 @ | --- | --- |
| 9日 | 5.7 | 20.7 | 24.7 | 17.4 | 4.7 | 12.6 @ | 7.8 @ | --- | --- |
| 10日 | 6.0 | 20.6 | 24.6 | 17.2 | 4.7 | 12.6 @ | 7.8 @ | --- | --- |
| 11日 | 6.3 | 20.4 | 24.4 | 17.0 | 4.8 | 12.5 @ | 7.7 @ | --- | --- |
| 12日 | 6.5 | 20.2 | 24.3 | 16.7 | 4.8 | 12.4 @ | 7.7 @ | --- | --- |
| 13日 | 6.7 | 20.0 | 24.1 | 16.5 | 4.8 | 12.3 @ | 7.7 @ | --- | --- |
| 14日 | 6.8 | 19.9 | 24.0 | 16.3 | 4.9 | 12.3 @ | 7.7 @ | --- | --- |
| 15日 | 6.8 | 19.7 | 23.8 | 16.0 | 4.9 | 12.2 @ | 7.6 @ | --- | --- |
| 16日 | 6.7 | 19.5 | 23.6 | 15.8 | 4.9 | 12.1 @ | 7.6 @ | --- | --- |
| 17日 | 6.6 | 19.3 | 23.5 | 15.5 | 4.9 | 12.1 @ | 7.5 @ | --- | --- |
| 18日 | 6.4 | 19.0 | 23.3 | 15.3 | 5.0 | 12.0 @ | 7.4 @ | --- | --- |
| 19日 | 6.1 | 18.8 | 23.1 | 15.0 | 5.0 | 12.0 @ | 7.4 @ | --- | --- |
| 20日 | 5.8 | 18.6 | 22.9 | 14.7 | 5.0 | 11.9 @ | 7.3 @ | --- | --- |
| 21日 | 5.5 | 18.4 | 22.7 | 14.5 | 5.0 | 11.9 @ | 7.3 @ | --- | --- |
| 22日 | 5.2 | 18.2 | 22.5 | 14.2 | 5.0 | 11.9 @ | 7.2 @ | --- | --- |
| 23日 | 4.9 | 17.9 | 22.3 | 14.0 | 5.1 | 11.8 @ | 7.2 @ | --- | --- |
| 24日 | 4.7 | 17.7 | 22.1 | 13.7 | 5.1 | 11.8 @ | 7.1 @ | --- | --- |
| 25日 | 4.5 | 17.5 | 22.0 | 13.5 | 5.1 | 11.7 @ | 7.1 @ | --- | --- |
| 26日 | 4.4 | 17.3 | 21.8 | 13.2 | 5.1 | 11.6 @ | 7.1 @ | --- | --- |
| 27日 | 4.3 | 17.1 | 21.6 | 13.0 | 5.1 | 11.5 @ | 7.1 @ | --- | --- |
| 28日 | 4.3 | 17.0 | 21.4 | 12.8 | 5.1 | 11.4 @ | 7.1 @ | --- | --- |
| 29日 | 4.2 | 16.8 | 21.3 | 12.6 | 5.0 | 11.2 @ | 7.1 @ | --- | --- |
| 30日 | 4.2 | 16.6 | 21.1 | 12.4 | 5.0 | 11.1 @ | 7.1 @ | --- | --- |
- 「@」の付いた値は、参考値です。平年差や平年比に利用できません。