観測開始からの毎月の値
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松江（島根県) 全天日射量の月平均値（MJ/m2）
| 年 | 1月 | 2月 | 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | 11月 | 12月 | 年の値 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.0 | 12.3 | 16.1 | 18.7 | 18.9 | 19.0 | 21.0 | 21.3 | 16.3 | 11.3 | 9.6 | 7.0 | 14.9 | |
| 7.2 | 11.6 | 14.9 | 18.9 | 22.0 | 17.3 | 20.6 | 20.6 | 17.7 ) | 14.4 ) | 8.4 | 7.7 ) | 15.1 | |
| 7.4 | 11.2 | 14.3 | 15.2 | 13.4 | 12.7 | 17.0 | 14.9 | 13.8 | 10.5 | 7.9 | 6.4 | 12.1 | |
| 5.0 | 6.8 | 11.6 | 12.5 | 19.2 | 17.8 | 17.8 | 19.8 | 12.1 | 11.5 | 9.1 | 6.6 | 12.5 | |
| 7.1 | 9.1 | 13.4 | 16.5 | 18.3 | 18.2 | 13.4 | 19.9 | 13.7 | 14.6 | 8.3 | 5.5 | 13.1 | |
| 7.6 | 9.1 | 11.2 | 17.0 | 18.3 | 16.3 | 17.1 | 16.5 | 13.0 | 10.6 | 8.1 | 5.8 | 12.6 | |
| 8.5 | 10.2 | 15.6 | 17.2 | 23.7 | 22.7 | 19.4 | 21.6 | 14.8 | 11.2 | 7.7 | 6.3 | 14.9 | |
| 6.2 | 9.0 | 13.1 | 15.9 | 17.5 | 18.5 | 16.3 | 14.8 | 13.1 | 11.3 | 10.1 | 5.9 | 12.6 | |
| 5.5 | 7.1 | 11.4 | 15.5 | 18.7 | 17.3 | 15.8 | 18.2 | 12.6 | 11.1 | 7.4 | 6.1 | 12.2 | |
| 6.5 | 9.4 | 11.8 | 14.3 | 16.1 | 13.9 | 15.4 ) | 15.7 ) | 11.6 | 10.7 | 7.7 | 5.5 | 11.6 | |
| 6.5 | 8.2 | 10.9 | 16.2 | 17.1 | 14.2 | 15.5 | 13.4 | 11.8 | 10.8 | 8.6 | 5.9 | 11.6 | |
| 5.4 | 7.2 | 10.6 | 14.9 | 14.7 | 15.7 | 13.9 ) | 15.5 | 13.6 | 11.2 | 6.7 | 5.9 | 11.3 | |
| 5.9 | 8.2 | 12.8 | 15.0 | 16.9 | 15.8 | 18.7 | 16.8 | 11.6 | 10.1 | 7.7 | 5.7 | 12.1 | |
| 12.4 | 7.8 | 6.1 | 8.8 ] | ||||||||||
| 5.7 | 8.6 | 12.4 | 18.6 | 16.9 | 17.3 | 12.0 | 14.7 | 14.4 | 10.9 | 7.1 | 5.6 | 12.0 | |
| 6.7 | 7.7 | 9.7 | 15.1 | 17.4 | 18.7 | 17.6 | 20.0 | 15.0 | 10.2 | 8.3 | 5.4 | 12.7 | |
| 5.7 | 9.1 | 11.8 | 16.1 | 16.6 | 18.8 ) | 17.1 | 17.9 | 14.5 | 11.9 | 7.8 | 4.9 | 12.7 | |
| 5.5 | 7.6 | 10.3 | 17.2 | 19.3 | 17.1 | 19.8 | 20.6 | 14.6 | 12.0 | 7.0 ) | 5.7 | 13.1 | |
| 5.8 | 8.6 | 13.7 | 16.0 | 20.7 | 17.3 | 19.5 | 19.1 | 14.2 | 9.9 | 7.7 | 5.0 | 13.1 | |
| 6.6 | 7.5 | 11.6 | 18.0 | 21.6 | 16.6 | 17.8 | 11.4 | 14.9 | 11.1 | 8.1 | 5.3 | 12.5 | |
| 5.2 | 8.1 | 13.3 | 16.0 | 21.3 | 16.4 | 16.1 | 17.3 | 13.8 | 13.2 | 6.2 | 5.2 | 12.7 | |
| 4.9 | 8.8 | 13.8 | 16.1 | 18.8 | 17.0 | 18.4 | 18.5 | 10.5 | 10.0 | 7.2 | 5.9 | 12.5 | |
| 6.2 | 9.0 | 13.4 | 18.1 | 20.5 | 20.9 | 18.6 | 18.2 | 13.5 | 9.4 | 8.6 | 4.9 | 13.4 | |
| 6.1 | 10.7 | 14.8 | 16.9 | 18.2 | 17.3 | 20.6 | 19.9 | 10.9 | 11.6 | 7.9 | 4.7 | 13.3 | |
| 6.6 | 8.0 | 12.2 | 16.1 | 23.1 | 17.9 | 16.9 | 16.8 | 14.9 | 10.5 | 9.0 | 5.3 | 13.1 | |
| 5.9 | 9.0 | 13.8 | 17.9 | 19.3 | 19.5 | 12.9 | 20.5 | 14.0 | 11.8 | 8.7 | 5.9 | 13.3 | |
| 7.0 | 10.8 | 14.0 | 18.5 | 17.4 | 18.8 | 19.5 | 15.0 | 13.0 | 12.7 | 9.0 | 5.8 | 13.5 | |
| 6.9 | 9.7 | 13.8 | 19.0 | 22.0 | 21.0 | 17.3 | 18.1 | 12.8 | 12.3 | 9.8 | 5.8 | 14.0 | |
| 6.6 | 9.6 | 15.3 | 17.5 | 19.2 | 17.6 | 18.4 | 19.2 | 12.7 | 13.5 | 8.4 | 6.2 | 13.7 | |
| 6.3 | 7.9 | 12.8 | 16.8 | 20.5 ] | 11.0 ] |
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。
- 最新の月のデータは稀に更新されない場合があります。年の数字をクリックして表示される「月ごとの値」もご確認ください。