観測開始からの毎月の値
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前橋（群馬県) 雲量の月平均値（十分比）
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.3 | 6.0 | 3.5 | 5.8 | 5.9 | 8.0 | 9.0 | 6.9 | 8.3 | 6.5 | 5.1 | 4.0 | 6.1 | |
| 3.1 | 4.3 | 4.9 | 5.8 | 6.0 | 9.1 | 7.1 | 7.9 | 8.9 | 6.8 | 5.2 | 4.3 | 6.1 | |
| 4.1 | 3.7 | 6.0 | 7.3 | 6.7 | 7.5 | 7.9 | 8.1 | 5.9 | 6.4 | 4.8 | 3.0 | 6.0 | |
| 3.1 | 3.2 | 5.2 | 6.9 | 5.8 | 7.9 | 8.7 | 7.7 | 8.9 | 6.4 | 4.3 | 4.3 | 6.0 | |
| 3.2 | 5.2 | 5.4 | 6.1 | 6.6 | 7.5 | 8.3 | 7.9 | 8.7 | 4.9 | 5.0 | 3.8 | 6.1 | |
| 3.0 | 4.6 | 5.7 | 6.6 | 7.2 | 7.6 | 6.5 | 8.1 | 6.8 | 5.5 | 5.0 | 4.5 | 5.9 | |
| 4.8 | 5.4 | 6.2 | 6.9 | 6.5 | 7.7 | 9.0 | 5.9 | 7.6 | 6.6 | 5.4 | 3.1 | 6.3 | |
| 3.2 | 3.3 | 6.7 | 5.6 | 7.5 | 8.4 | 8.2 | 8.4 | 7.4 | 7.2 | 3.8 | 3.9 | 6.1 | |
| 3.5 | 3.9 | 4.9 | 7.4 | 7.3 | 8.2 | 7.6 | 7.3 | 7.4 | 7.1 | 5.7 | 1.9 | 6.0 | |
| 2.9 | 3.5 | 5.2 | 5.9 | 6.5 | 7.3 | 7.9 | 8.1 | 7.8 | 6.9 | 5.7 | 3.8 | 6.0 | |
| 3.5 | 4.3 | 5.4 | 5.7 | 7.6 | 8.6 | 9.1 | 8.7 | 8.4 | 4.8 | 6.4 | 4.2 | 6.4 | |
| 2.9 | 4.8 | 6.0 | 5.9 | 7.1 | 8.3 | 7.8 | 7.2 | 8.3 | 5.6 | 3.0 | 3.6 | 5.9 | |
| 2.8 | 2.9 | 5.2 | 5.6 | 6.1 | 8.8 | 9.0 | 6.7 | 9.0 | 6.8 | 4.6 | 2.9 | 5.9 | |
| 2.9 | 4.2 | 6.4 | 6.2 | 7.3 | 8.0 | 8.5 | 6.5 | 6.8 | 7.3 | 5.7 | 4.2 | 6.2 | |
| 3.9 | 4.3 | 4.8 | 5.1 | 6.7 | 9.0 | 9.1 | 7.3 | 8.5 | 7.2 | 4.3 | 2.9 | 6.1 | |
| 3.1 | 4.7 | 5.7 | 6.4 | 8.2 | 8.2 | 7.4 | 7.7 | 6.9 | 6.1 | 6.2 | 4.0 | 6.2 | |
| 4.3 | 3.7 | 4.5 | 4.7 | 7.2 | 9.1 | 7.4 | 5.6 | 7.9 | 7.1 | 3.1 | 3.8 | 5.7 | |
| 3.1 | 3.6 | 5.5 | 6.9 | 7.8 | 7.8 | 8.6 | 8.2 | 7.3 | 6.7 | 5.1 | 4.2 | 6.2 | |
| 3.2 | 5.6 | 5.5 | 5.7 | 6.6 | 9.5 | 7.2 | 7.8 | 8.0 | 7.3 | 5.6 | 4.1 | 6.3 | |
| 4.6 | 4.8 | 5.2 | 7.2 | 7.9 | 8.7 | 7.4 | 6.9 | 7.6 | 6.9 | 5.9 | 3.3 | 6.4 | |
| 3.1 | 5.1 | 5.0 | 6.7 | 6.8 | 7.5 | 8.3 | 7.2 | 7.6 | 7.2 | 4.2 | 3.2 | 6.0 | |
| 4.0 | 6.0 | 6.0 | 6.9 | 6.1 | 8.3 | 8.2 | 7.0 | 8.2 | 7.0 | 5.6 | 3.8 | 6.4 | |
| 3.3 | 4.3 | 6.0 | 5.8 | 7.3 | 8.8 | 8.5 | 8.7 | 7.9 | 5.3 | 3.9 | 4.3 | 6.2 | |
| 5.3 | 4.1 | 4.9 | 5.8 | 6.9 | 9.0 | 9.3 | 7.6 | 7.8 | 7.1 | 4.6 | 3.7 | 6.3 | |
| 3.0 | 4.1 | 7.2 | 6.3 | 6.9 | 8.9 | 7.4 | 7.4 | 7.7 | 6.9 | 3.1 | 2.5 | 6.0 | |
| 4.3 | 4.2 | 5.6 | 6.0 | 7.2 | 8.3 | 8.4 | 6.7 | 7.2 | 8.4 | 5.0 | 2.1 | 6.1 | |
| 3.2 | 4.5 | 3.8 | 6.0 | 6.5 | 8.3 | 9.3 | 8.2 | 8.8 | 6.0 | 4.6 | 4.2 | 6.1 | |
| 3.5 | 3.7 | 5.6 | 6.8 | 6.3 | 8.0 | 8.2 | 8.2 | 7.9 | 7.5 | 5.3 | 3.6 | 6.2 | |
| 4.1 | 6.0 | 5.7 | 6.2 | 6.9 | 8.5 | 8.3 | 7.2 | 8.4 | 7.3 | 5.2 | 4.4 | 6.5 | |
| 2.9 | 3.7 | 5.3 | 6.2 | 7.6 | 8.5 | 7.4 | 7.2 | 7.2 | 6.6 | 5.5 | 3.1 | 5.9 | |
| 3.7 | 3.3 | 5.9 | 5.6 | 7.5 | 7.6 | 8.5 | 7.5 | 7.5 | 8.3 | 5.2 | 2.5 | 6.1 | |
| 3.7 | 3.4 | 4.3 | 6.1 | 6.9 | 8.6 | 8.5 | 5.8 | 6.7 | 6.9 | 5.6 | 3.2 | 5.8 | |
| 2.3 | 3.3 | 4.6 | 6.7 | 8.9 | 9.2 | 8.4 | 8.2 | 7.9 | 6.7 | 4.5 | 2.9 | 6.1 | |
| 5.2 | 5.6 | 4.9 | 8.3 | 6.8 | 8.4 | 8.6 | 7.2 | 8.7 | 6.1 | 4.0 | 4.2 | 6.5 | |
| 3.2 | 3.2 | 4.0 | 5.5 | 7.0 | 8.4 | 7.8 | 6.1 | 7.2 | 4.6 | 4.2 | 4.0 | 5.4 | |
| 2.8 | 4.4 | 5.7 | 7.1 | 5.6 | 8.6 | 8.8 | 7.5 | 8.0 | 5.5 | 4.4 | 3.1 | 6.0 | |
| 2.6 | 4.5 | 4.4 | 6.7 | 5.8 | 6.8 | 8.5 | 7.0 | 8.5 | 6.7 | 5.2 | 2.9 | 5.8 | |
| 2.5 | 3.1 | 5.4 | 6.1 | 6.9 | 7.8 | 8.4 | 8.6 | 8.3 | 6.7 | 3.5 | 4.5 | 6.0 | |
| 4.2 | 6.5 | 5.0 | 5.7 | 5.2 | 7.2 | 8.5 | 7.3 | 7.4 | 6.3 | 5.6 | 2.1 | 5.9 | |
| 3.0 | 4.0 | 4.6 | 7.0 | 7.1 | 8.1 | 7.5 | 7.6 | 8.4 | 5.6 | 4.6 | 3.7 | 5.9 | |
| 2.8 | 3.7 | 3.9 | 5.8 | 7.0 | 8.1 | 8.0 | 7.6 | 8.7 | 6.6 | 3.8 | 2.9 | 5.7 | |
| 4.5 | 5.8 | 4.9 | 6.6 | 6.5 | 8.0 | 8.3 | 6.8 | 6.8 | 5.4 | 4.6 | 3.9 | 6.0 | |
| 4.1 | 4.2 | 4.6 | 7.1 | 5.9 | 8.9 | 7.0 | 5.9 | 7.5 | 6.2 | 3.3 | 1.5 | 5.5 | |
| 1.7 | 4.9 | 5.9 | 5.6 | 5.9 | 8.5 | 9.1 | 7.0 | 7.7 | 7.1 | 4.0 | 3.7 | 5.9 | |
| 3.2 | 4.0 | 4.4 | 7.0 | 6.9 | 9.0 | 7.3 | 6.4 | 6.3 | 7.2 | 5.0 | 3.8 | 5.9 | |
| 2.0 | 5.1 | 6.0 | 7.2 | 6.9 | 9.1 | 7.9 | 8.3 | 7.6 | 5.9 | 4.5 | 3.0 | 6.1 | |
| 3.5 | 3.2 | 5.5 | 5.7 | 6.0 | 9.1 | 7.8 | 8.5 | 7.7 | 5.7 | 5.3 | 3.4 | 6.0 | |
| 3.9 | 3.7 | 4.6 | 5.8 | 7.8 | 7.6 | 6.8 | 5.2 | 8.3 | 6.1 | 4.5 | 2.8 | 5.6 | |
| 3.0 | 4.2 | 5.4 | 6.7 | 6.2 | 7.8 | 8.2 | 7.9 | 8.3 | 5.6 | 6.3 | 3.9 | 6.1 | |
| 3.7 | 2.8 | 5.0 | 6.5 | 6.4 | 8.5 | 9.1 | 9.1 | 7.8 | 6.1 | 4.6 | 3.3 | 6.1 | |
| 2.2 | 4.9 | 4.9 | 5.3 | 6.6 | 8.3 | 8.5 | 8.0 | 8.0 | 5.9 | 5.0 | 2.8 | 5.9 | |
| 3.8 | 4.0 | 4.3 | 6.6 | 5.7 | 7.4 | 9.0 | 8.4 | 7.8 | 5.1 | 6.2 | 3.5 | 6.0 | |
| 3.2 | 3.7 | 6.0 | 6.7 | 5.8 | 7.7 | 8.7 | 7.3 | 8.2 | 6.0 | 3.6 | 2.0 | 5.7 | |
| 3.4 | 4.3 | 4.9 | 6.4 | 7.1 | 9.1 | 8.2 | 5.2 | 7.6 | 6.0 | 3.9 | 4.3 | 5.9 | |
| 3.1 | 4.9 | 8.0 | 6.4 | 7.0 | 8.8 | 6.6 | 6.5 | 8.5 | 6.1 | 4.6 | 3.1 | 6.1 | |
| 3.5 | 4.1 | 5.6 | 6.1 | 7.0 | 7.6 | 8.4 | 7.3 | 7.2 | 6.0 | 5.1 | 3.2 | 5.9 | |
| 3.0 | 4.6 | 5.6 | 5.7 | 7.1 | 7.1 | 8.0 | 7.9 | 8.4 | 6.4 | 5.5 | 3.3 | 6.1 | |
| 4.0 | 4.7 | 6.4 | 6.4 | 7.3 | 8.5 | 9.0 | 8.3 | 9.3 | 5.8 | 3.0 | 2.5 | 6.3 | |
| 5.3 | 5.2 | 5.5 | 5.6 | 7.2 | 8.4 | 9.0 | 8.0 | 8.5 | 6.1 | 5.4 | 3.9 | 6.5 | |
| 3.6 | 7.0 | 5.1 | 6.4 | 6.9 | 8.1 | 8.5 | 6.2 | 7.8 | 7.1 | 4.6 | 2.7 | 6.2 | |
| 3.4 | 4.5 | 5.7 | 7.3 | 7.0 | 8.7 | 9.1 | 8.4 | 8.4 | 8.2 | 4.9 | 4.2 | 6.7 | |
| 3.1 | 4.0 | 6.7 | 6.1 | 7.4 | 8.5 | 7.4 | 7.6 | 7.1 | 6.5 | 4.5 | 4.1 | 6.1 | |
| 5.4 | 3.4 | 5.1 | 4.6 | 6.4 | 8.4 | 9.6 | 8.6 | 8.4 | 6.2 | 5.1 | 4.1 | 6.3 | |
| 3.9 | 4.4 | 4.9 | 5.8 | 7.1 | 7.9 | 8.0 | 5.5 | 7.5 | 8.0 | 4.1 | 4.0 | 5.9 | |
| 3.3 | 4.4 | 6.1 | 6.4 | 7.4 | 9.0 | 7.9 | 6.6 | 7.7 | 6.2 | 3.3 | 3.1 | 6.0 | |
| 3.5 | 4.9 | 6.0 | 4.9 | 6.5 | 9.0 | 7.6 | 8.2 | 7.9 | 6.3 | 6.0 | 3.2 | 6.2 | |
| 2.7 | 4.4 | 4.9 | 6.2 | 7.7 | 8.2 | 7.8 | 7.4 | 8.0 | 4.5 | 5.3 | 4.7 | 6.0 | |
| 4.9 | 5.5 | 5.9 | 7.7 | 8.0 | 8.9 | 9.2 | 9.0 | 8.6 | 7.4 | 4.9 | 4.3 | 7.0 | |
| 3.2 | 4.2 | 6.8 | 7.3 | 6.7 | 8.3 | 8.8 | 7.9 | 8.4 | 6.4 | 4.8 | 3.5 | 6.4 | |
| 4.8 | 4.1 | 4.8 | 6.3 | 7.2 | 7.8 | 7.7 | 7.7 | 7.9 | 7.6 | 6.2 | 3.8 | 6.3 | |
| 4.5 | 5.0 | 5.6 | 5.7 | 7.1 | 8.4 | 6.7 | 9.0 | 7.5 | 5.8 | 3.9 | 3.7 | 6.1 | |
| 4.1 | 5.4 | 4.8 | 6.9 | 7.4 | 7.6 | 8.5 | 6.8 | 7.8 | 5.4 | 5.1 | 5.5 | 6.3 | |
| 4.2 | 4.5 | 5.7 | 7.2 | 7.5 | 8.1 | 9.6 | 8.3 | 8.0 | 6.8 | 6.9 | 3.7 | 6.7 | |
| 3.9 | 3.7 | 5.7 | 5.0 | 7.9 | 8.0 | 7.2 | 8.3 | 8.2 | 6.6 | 4.7 | 4.1 | 6.1 | |
| 4.2 | 5.0 | 5.0 | 5.4 | 7.5 | 8.7 | 9.0 | 8.2 | 8.2 | 7.8 | 4.2 | 3.5 | 6.4 | |
| 4.5 | 5.7 | 5.4 | 7.0 | 8.0 | 8.8 | 9.4 | 7.7 | 8.2 | 7.3 | 6.0 | 4.9 | 6.9 | |
| 4.4 | 4.3 | 5.2 | 7.0 | 6.1 | 8.3 | 8.9 | 7.3 | 8.2 | 6.8 | 5.7 | 4.7 | 6.4 | |
| 4.9 | 4.7 | 6.1 | 6.3 | 7.7 | 8.5 | 8.6 | 8.7 | 7.4 | 6.8 | 5.5 | 3.2 | 6.5 | |
| 4.7 | 5.5 | 5.5 | 5.2 | 7.6 | 8.2 | 9.2 | 8.1 | 7.2 | 5.8 | 5.9 | 4.2 | 6.4 | |
| 3.2 | 6.4 | 6.7 | 7.2 | 6.6 | 7.9 | 8.0 | 7.0 | 7.2 | 8.7 | 4.3 | 4.2 | 6.5 | |
| 3.4 | 4.9 | 4.8 | 5.1 | 7.7 | 8.8 | 7.7 | 8.6 | 7.2 | 6.9 | 6.0 | 3.9 | 6.3 | |
| 4.4 | 4.8 | 6.4 | 6.6 | 6.9 | 9.2 | 8.8 | 6.9 | 8.0 | 5.6 | 4.8 | 4.3 | 6.4 | |
| 3.4 | 5.3 | 5.3 | 5.5 | 5.3 | 8.8 | 8.6 | 6.4 | 6.8 | 7.4 | 3.7 | 4.1 | 5.9 | |
| 3.6 | 5.0 | 5.2 | 5.2 | 5.9 | 8.1 | 7.5 | 8.3 | 6.7 | 6.0 | 5.4 | 4.3 | 5.9 | |
| 4.3 | 5.6 | 4.8 | 7.2 | 6.3 | 8.4 | 7.6 | 8.0 | 8.3 | 5.8 | 6.8 | 4.6 | 6.5 | |
| 3.5 | 4.8 | 6.2 | 7.5 | 7.2 | 8.2 | 8.5 | 7.8 | 9.1 | 7.0 | 4.8 | 4.0 | 6.6 | |
| 3.7 | 4.0 | 5.7 | 6.4 | 6.9 | 7.8 | 8.2 | 9.2 | 7.1 | 7.7 | 4.5 | 3.0 | 6.2 | |
| 3.9 | 5.2 | 4.9 | 5.8 | 7.1 | 7.5 | 7.9 | 7.2 | 9.0 | 6.8 | 5.7 | 4.7 | 6.3 | |
| 3.5 | 3.5 ] | ||||||||||||
- 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。