日ごとの値
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東京都 1981年10月（日ごとの値） 日照時間（h）
| 日 | 小河内 | 八王子 | 東京* | 江戸川臨海 | 大島* | 三宅島* | 八丈島* | 青梅 | 練馬 | 府中 | 新島 | 父島* | 南鳥島* |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.0 | 0.0 | -- | 0.0 | -- | -- | -- | 0.0 | 0.0 | 0.0 | 0.1 | 8.0 | 7.6 |
| 2 | 7.3 | 7.5 | 8.8 | 9.4 | 7.7 | 6.8 | 7.0 | 8.0 | 8.7 | 7.9 | 9.0 | 8.0 | 7.5 |
| 3 | 7.3 | 11.2 | 10.2 | 11.3 | 9.0 | 10.1 | 10.5 | 10.8 | 10.4 | 10.9 | 11.0 | 7.3 | 6.9 |
| 4 | 7.6 | 11.1 | 10.4 | 11.2 | 9.6 | 10.3 | 10.5 | 11.1 | 10.6 | 10.8 | 11.1 | 9.4 | 10.5 |
| 5 | 4.9 | 3.8 | 4.2 | 4.8 | 5.8 | 6.1 | 7.7 | 3.5 | 3.9 | 3.5 | 8.2 | 10.0 | 2.6 |
| 6 | 2.3 | 3.9 | 1.1 | 4.8 | 5.0 | 6.3 | 7.3 | 4.0 | 2.9 | 1.3 | 10.0 | 10.2 | 10.3 |
| 7 | 2.6 | 0.2 | 0.2 | 2.9 | 3.4 | 2.9 | 6.4 | 0.5 | 0.6 | 0.1 | 4.5 | 10.0 | 10.6 |
| 8 | 0.0 | 0.0 | -- | 0.0 | -- | -- | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 10.0 | 8.3 |
| 9 | 2.0 | 1.8 | 1.2 | 2.1 | 1.2 | 6.3 | 3.2 | 0.9 | 1.6 | 1.4 | 3.2 | 7.7 | 10.8 |
| 10 | 6.5 | 9.7 | 9.0 | 9.5 | 9.4 | 8.4 | 4.0 | 7.9 | 8.5 | 9.6 | 9.2 | 9.7 | 10.1 |
| 11 | 5.0 | 8.8 | 7.2 | 8.2 | 7.9 | 8.2 | 6.5 | 8.3 | 8.0 | 7.9 | 8.8 | 9.7 | 9.1 |
| 12 | 6.2 | 7.2 | 5.8 | 7.5 | 4.0 | 1.8 | 0.4 | 8.2 | 6.0 | 5.8 | 5.6 | 2.1 | 10.4 |
| 13 | 6.3 | 8.4 | 5.1 | 7.4 | 1.6 | 2.3 | 7.8 | 8.0 | 6.8 | 7.6 | 6.5 | 7.0 | 10.5 |
| 14 | 5.1 | 6.6 | 5.8 | 5.3 | 4.8 | 3.7 | 4.3 | 6.3 | 5.8 | 5.4 | 4.7 | 9.9 | 10.7 |
| 15 | 5.0 | 0.2 | 0.2 | 0.7 | 2.4 | -- | 9.8 | 3.1 | 0.5 | 0.3 | 6.7 | 8.7 | 9.9 |
| 16 | 1.4 | 3.5 | 1.1 | 1.7 | 1.9 | 2.1 | 6.3 | 3.1 | 2.0 | 3.1 | 3.3 | 8.6 | 9.0 |
| 17 | 7.2 | 10.2 | 9.9 | 10.2 | 9.5 | 8.3 | 9.8 | 10.0 | 9.7 | 10.1 | 9.5 | -- | 10.4 |
| 18 | 6.0 | 5.6 | 6.6 | 8.1 | 3.5 | 2.0 | 4.6 | 6.5 | 6.7 | 6.0 | 2.6 | -- | 9.1 |
| 19 | 6.8 | 9.5 | 9.5 | 9.8 | 9.1 | 10.6 | 9.5 | 9.9 | 9.5 | 10.0 | 10.4 | 2.1 | 10.1 |
| 20 | 1.1 | 3.5 | 4.7 | 5.6 | 5.6 | 0.9 | -- | 2.8 | 4.9 | 4.0 | 2.0 | 3.5 | 10.3 |
| 21 | 0.0 | 0.0 | 0.9 | 1.2 | -- | -- | -- | 0.1 | 0.2 | 0.0 | 0.0 | -- | 7.5 |
| 22 | 0.0 | 0.0 | -- | 0.0 | -- | -- | -- | 0.0 | 0.0 | 0.0 | 0.0 | 3.8 | 4.9 |
| 23 | 5.7 | 10.3 | 9.1 | 10.0 | 9.4 | 7.7 | 3.8 | 9.1 | 8.2 | 8.8 | 10.3 | 4.4 | 8.5 |
| 24 | 7.1 | 10.4 | 10.1 | 10.4 | 9.2 | 7.8 | 8.5 | 9.5 | 9.7 | 10.3 | 10.3 | 5.3 | 6.0 |
| 25 | 7.1 | 10.2 | 9.9 | 10.3 | 9.4 | 9.5 | 5.3 | 9.9 | 9.6 | 10.2 | 10.0 | 1.9 | 8.8 |
| 26 | 4.1 | 9.6 | 7.6 | 9.8 | 6.2 | 7.1 | 7.9 | 9.7 | 8.7 | 8.3 | 9.5 | -- | 6.8 |
| 27 | 4.3 | 7.9 | 7.2 | 8.3 | 8.3 | 9.3 | 8.3 | 5.7 | 7.6 | 8.4 | 8.9 | 1.8 | 9.8 |
| 28 | 4.9 | 8.7 | 6.1 | 9.9 | 8.4 | 3.5 | 0.6 | 6.4 | 4.7 ] | 8.5 | 9.4 | 7.4 | 10.2 |
| 29 | 0.8 | 0.0 | -- | 0.3 | 0.3 | 3.8 | 5.4 | 0.1 | 0.0 | 0.0 | 1.7 ] | 5.6 | 8.4 |
| 30 | 2.1 ) | 2.6 | 2.7 | 6.4 | 8.7 | 2.4 | 8.5 | 3.2 | 4.9 | 2.8 | 9.2 | 9.2 | 9.8 |
| 31 | 6.4 | 6.7 | 6.6 | 8.6 | 5.3 | 4.4 | 7.3 | 7.7 | 6.9 | 6.8 | 7.0 | 9.5 | 10.6 |
- 値欄の記号の説明
- アスタリスク(*)が付いた地点は地上気象観測地点(気象台・測候所・特別地域気象観測所等)です。
- アスタリスクの付いていない地点はアメダス地点です。2021年3月2日より、アメダスの日照時間は「推計気象分布（日照時間）」から得る推計値となりましたので、日照計による観測値と単純比較できません。詳しくは要素ごとの値の補足説明をご覧ください。