観測開始からの毎月の値
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倶知安（後志地方) 蒸気圧の月平均値（hPa）
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.8 | 3.3 | 4.1 | 6.1 | 8.8 | 13.3 | 18.0 | 22.4 | 12.7 | 8.6 | 6.1 | 4.4 | 9.2 | |
| 3.3 | 2.5 | 3.8 | 6.3 | 8.8 | 14.3 | 19.5 | 20.6 | 14.3 | 9.5 | 5.0 | 3.0 | 9.2 | |
| 3.2 | 3.0 | 4.5 | 6.2 | 9.9 | 13.6 | 19.7 | 18.7 | 14.3 | 9.4 | 4.8 | 4.0 | 9.3 | |
| 3.1 | 3.7 | 3.9 | 6.4 | 8.7 | 11.3 | 15.7 | 20.5 | 16.3 | 8.7 | 5.5 | 4.4 | 9.0 | |
| 3.3 | 3.6 | 4.2 | 6.0 | 9.4 | 14.1 | 22.6 | 21.5 | 14.3 | 9.9 | 5.6 | 4.2 | 9.9 | |
| 3.1 | 3.0 | 4.4 | 5.7 | 9.0 | 13.5 | 17.7 | 18.3 | 15.4 | 10.3 | 5.9 | 3.6 | 9.2 | |
| 3.5 | 3.1 | 4.1 | 5.8 | 9.2 | 12.5 | 18.7 | 21.1 | 13.8 | 10.0 | 6.3 | 4.5 | 9.4 | |
| 3.5 | 4.0 | 4.0 | 5.7 | 9.0 | 13.4 | 19.1 | 19.6 | 15.1 | 9.4 | 5.8 | 4.5 | 9.4 | |
| 3.1 | 3.7 | 4.9 | 7.3 | 9.6 | 13.8 | 19.0 | 19.5 | 15.5 | 9.8 | 6.0 | 4.0 | 9.7 | |
| 2.9 | 3.6 | 4.1 | 5.8 | 9.4 | 13.8 | 18.6 | 21.0 | 15.5 | 9.2 | 6.2 | 3.6 | 9.5 | |
| 3.0 | 3.3 | 4.2 | 6.5 | 10.0 | 14.8 | 21.2 | 21.1 | 17.4 | 9.3 | 6.1 | 4.3 | 10.1 | |
| 3.6 | 3.4 | 4.2 | 7.1 | 10.1 | 13.5 | 19.9 | 20.0 | 15.6 | 8.2 | 5.9 | 4.1 | 9.6 | |
| 3.4 | 3.9 | 4.7 | 7.0 | 8.8 | 14.0 | 19.6 | 21.4 | 13.6 | 9.3 | 6.4 | 4.5 | 9.7 | |
| 3.5 | 2.9 | 4.4 | 6.3 | 9.4 | 14.2 | 17.6 | 21.3 | 13.3 | 8.8 | 6.1 | 4.1 | 9.3 | |
| 3.8 | 3.4 | 4.2 | 5.2 | 9.1 | 13.8 | 17.2 | 20.7 | 15.2 | 9.1 | 5.8 | 4.2 | 9.3 | |
| 3.4 | 3.7 | 4.9 | 6.2 | 8.8 | 13.4 | 17.8 | 22.1 | 13.9 | 11.3 | 6.4 | 3.5 | 9.6 | |
| 3.0 | 3.1 | 4.6 | 6.5 | 10.9 | 13.8 | 20.5 | 20.2 | 14.8 | 8.9 | 5.3 | 3.9 | 9.6 | |
| 3.7 | 3.2 | 4.9 | 6.5 | 9.6 | 13.4 | 18.6 | 19.7 | 15.1 | 8.3 | 7.2 | 4.9 | 9.6 | |
| 3.1 | 3.1 | 3.9 | 6.0 | 8.4 | 13.4 | 18.9 | 19.0 | 13.9 | 8.5 | 5.9 | 3.7 | 9.0 | |
| 3.1 | 3.7 | 3.8 | 5.7 | 9.7 | 13.3 | 19.6 | 19.7 | 14.5 | 9.6 | 6.3 | 3.9 | 9.4 | |
| 3.4 | 3.6 | 4.2 | 5.3 | 9.0 | 12.9 | 18.4 | 19.4 | 13.8 | 9.3 | 5.8 | 4.2 | 9.1 | |
| 3.6 | 3.5 | 4.4 | 6.7 | 9.4 | 13.6 | 19.5 | 19.9 | 14.6 | 10.0 | 5.8 | 4.6 | 9.6 | |
| 3.9 | 3.8 | 3.9 | 6.1 | 9.2 | 13.3 | 18.8 | 22.9 | 14.8 | 9.2 | 5.6 | 4.0 | 9.6 | |
| 3.5 | 3.7 | 4.0 | 6.2 | 9.0 | 13.8 | 17.4 | 19.8 | 14.7 | 9.2 | 5.1 | 3.3 | 9.1 | |
| 3.3 | 3.1 | 4.2 | 6.6 | 9.5 | 13.7 | 18.4 | 19.8 | 15.4 | 9.0 | 6.2 | 3.6 | 9.4 | |
| 3.4 | 3.5 | 3.8 | 5.6 | 8.3 | 12.8 | 16.0 | 15.6 | 13.0 | 8.6 | 5.1 | 3.7 | 8.3 | |
| 2.6 | 2.9 | 4.2 | 5.3 | 8.7 | 12.2 | 18.1 | 17.2 | 13.8 | 8.4 | 6.1 | 4.1 | 8.6 | |
| 3.1 | 2.4 | 3.7 | 5.6 | 8.4 | 14.7 | 20.9 | 19.6 | 12.3 | 8.2 | 5.3 | 4.0 | 9.0 | |
| 2.9 | 3.4 | 3.9 | 5.4 | 8.1 | 13.7 | 16.3 | 17.9 | 12.8 | 10.1 | 5.9 | 4.6 | 8.8 | |
| 3.4 | 2.9 | 3.8 | 5.3 | 8.7 | 14.0 | 17.0 | 16.6 | 13.1 | 9.0 | 5.9 | 4.1 | 8.7 | |
| 3.0 | 3.4 | 4.3 | 5.9 | 8.3 | 12.4 | 19.5 | 18.4 | 12.7 | 8.6 | 4.7 | 4.2 | 8.8 | |
| 3.4 | 3.1 | 4.4 | 5.9 | 9.3 | 11.5 | 16.6 | 20.5 | 13.8 | 9.3 | 6.4 | 4.4 | 9.1 | |
| 3.4 | 3.2 | 4.2 | 6.5 | 9.7 | 11.7 | 16.5 | 20.9 | 15.4 | 8.1 | 6.5 | 3.8 | 9.2 | |
| 3.1 | 2.9 | 3.4 | 5.2 | 8.8 | 14.8 | 20.3 | 20.3 | 13.8 | 7.9 | 5.1 | 3.8 | 9.1 | |
| 2.7 | 3.6 | 3.8 | 6.6 | 7.9 | 11.2 | 18.2 | 21.6 | 13.7 | 9.1 | 5.9 | 3.5 | 9.0 | |
| 2.9 | 2.8 | 4.1 | 5.9 | 8.7 | 11.6 | 15.7 | 19.3 | 14.4 | 7.9 | 5.3 | 3.6 | 8.5 | |
| 3.2 | 3.2 | 4.1 | 5.5 | 8.4 | 13.4 | 18.3 | 18.7 | 14.5 | 9.1 | 5.4 | 3.6 | 9.0 | |
| 3.4 | 2.8 | 3.9 | 6.2 | 8.8 | 13.6 | 14.7 | 21.6 | 14.9 | 8.7 | 5.1 | 4.3 | 9.0 | |
| 3.7 | 3.5 | 5.0 | 6.6 | 8.7 | 12.1 | 19.0 | 20.1 | 15.8 | 9.6 | 6.8 | 4.3 | 9.6 | |
| 3.2 | 4.2 | 4.6 | 6.1 | 10.1 | 15.1 | 18.5 | 21.6 | 16.3 | 10.2 | 7.0 | 5.0 | 10.2 | |
| 4.0 | 3.3 | 4.0 | 6.4 | 8.9 | 15.0 | 17.8 | 18.6 | 14.7 | 10.3 | 6.1 | 4.3 | 9.5 | |
| 3.7 | 3.6 | 4.3 | 6.5 | 8.8 | 13.7 | 18.4 | 19.8 | 14.3 | 9.5 | 6.0 | 4.5 | 9.4 | |
| 3.8 | 3.9 | 4.1 | 5.7 | 9.3 | 13.7 | 15.4 | 17.9 | 14.2 | 9.2 | 6.5 | 4.4 | 9.0 | |
| 3.1 | 4.0 | 4.1 | 5.8 | 9.2 | 13.5 | 20.3 | 23.5 | 17.4 | 9.8 | 6.1 | 3.8 | 10.1 | |
| 3.5 | 3.6 | 4.2 | 6.5 | 10.4 | 13.6 | 20.1 | 20.7 | 13.9 | 10.7 | 6.1 | 4.5 ) | 9.8 | |
| 3.4 | 3.4 | 4.1 | 5.5 | 9.0 | 12.9 | 19.1 | 18.5 | 15.1 | 9.4 | 5.4 | 4.0 | 9.2 | |
| 3.6 | 3.7 | 4.0 | 6.0 | 9.2 | 14.0 | 19.1 | 19.0 | 13.7 | 8.8 | 6.9 | 4.3 | 9.4 | |
| 2.8 | 3.3 | 4.4 | 7.5 | 9.8 | 13.2 | 19.3 | 19.8 | 17.0 | 11.1 | 5.8 | 4.0 | 9.8 | |
| 3.5 | 3.6 | 4.2 | 6.7 | 9.4 | 14.1 | 21.6 | 24.1 | 16.8 | 10.1 | 6.4 | 4.2 | 10.4 | |
| 3.8 | 3.3 | 4.3 | 6.6 | 11.7 | 14.5 | 22.1 | 23.0 | 17.3 | 9.6 | 5.9 | 4.0 | 10.5 | |
| 3.1 | 3.0 | 4.3 | 6.7 | 10.6 | 14.5 | 20.7 | 19.7 | 15.1 | 10.5 | 6.3 | 3.6 | 9.8 | |
| 3.9 | 4.3 | 4.5 ) | 6.9 | 9.2 | 12.2 | 18.9 | 18.4 | 13.2 | 9.3 | 5.2 | 3.3 | 9.1 | |
| 3.3 | 3.2 | 4.1 | 6.5 | 8.9 | 13.5 | 14.1 | 17.8 | 13.9 | 8.8 | 6.5 | 4.2 | 8.7 | |
| 3.6 | 4.0 | 4.1 | 5.4 | 9.8 | 13.1 | 18.6 | 18.0 | 13.9 | 9.1 | 7.0 | 4.2 | 9.2 | |
| 3.5 | 3.1 | 4.1 | 6.0 | 8.2 | 14.4 | 17.0 | 20.5 | 14.4 | 9.7 | 6.5 | 3.4 | 9.2 | |
| 3.3 | 3.6 | 4.5 | 5.7 | 8.8 | 13.9 | 17.8 | 22.5 | 14.4 ) | 9.5 | 6.7 | 4.2 | 9.6 | |
| 3.9 | 3.8 | 4.3 | 5.9 | 9.8 | 15.3 | 16.1 | 20.3 ) | 16.3 | 8.9 | 5.5 | 4.1 | 9.5 | |
| 3.0 | 3.3 | 5.0 | 6.7 | 9.7 | 13.8 | 19.4 | 18.3 | 14.6 | 10.0 | 5.8 | 4.7 | 9.5 | |
| 4.0 | 3.6 | 4.4 | 5.8 | 9.4 | 14.1 | 18.2 | 18.6 | 13.6 | 9.6 | 6.4 | 4.1 | 9.3 | |
| 3.8 | 3.3 | 4.0 | 5.6 | 9.1 | 16.1 | 21.6 | 23.3 | 16.2 | 10.2 | 6.6 | 4.7 | 10.4 | |
| 3.3 | 3.8 | 3.9 | 6.3 | 9.5 | 14.3 | 20.2 | 20.7 | 16.6 | 9.7 ) | 6.2 | 3.7 | 9.9 | |
| 2.9 | 3.0 | 4.0 | 6.1 | 10.0 | 13.4 | 18.9 | 21.9 | 19.6 | 10.2 | 6.8 | 3.7 | 10.0 | |
| 3.0 | 3.2 | 4.2 | 6.1 | 9.8 | 15.2 | 20.0 | 21.5 | 15.5 | 10.6 | 6.5 | 4.6 | 10.0 | |
| 3.2 | 3.0 | 4.2 | 5.4 | 10.2 | 15.2 | 19.5 | 20.3 | 14.2 | 8.8 | 6.3 | 4.1 | 9.5 | |
| 3.9 | 4.1 | 5.4 | 6.7 | 9.3 | 14.2 | 19.3 | 20.7 | 15.6 | 8.5 | 6.6 | 4.8 | 9.9 | |
| 3.3 | 3.8 | 4.7 | 6.5 | 10.2 | 14.5 | 19.1 | 21.9 | 16.7 | 8.5 | 5.2 | 4.2 | 9.9 | |
| 3.4 | 3.7 | 4.4 | 6.5 | 10.5 | 13.4 | 20.7 | 19.0 | 14.0 | 9.0 | 6.1 | 3.9 | 9.6 | |
| 3.7 | 3.2 | 4.9 | 6.5 | 9.9 | 13.7 ) | 21.3 | 19.7 | 15.0 | 10.4 | 7.0 | 4.4 | 10.0 | |
| 3.6 | 3.4 | 4.7 | 6.1 | 10.3 | 14.3 | 20.1 | 21.3 | 15.8 | 10.9 | 5.4 | 4.4 | 10.0 | |
| 3.7 | 3.8 | 5.1 | 6.2 | 10.2 | 15.1 | 19.4 | 22.2 | 18.3 | 10.6 | 7.0 | 4.0 | 10.5 | |
| 3.3 | 3.7 | 5.4 | 6.2 | 10.6 | 15.4 | 21.8 | 21.2 | 15.5 | 10.5 | 7.5 | 4.5 | 10.5 | |
| 3.6 | 3.7 | 4.9 | 6.4 | 10.6 | 15.3 | 21.3 | 20.0 | 15.8 | 10.1 | 6.8 | 4.3 | 10.2 | |
| 3.2 | 3.7 | 5.4 | 6.9 | 10.0 | 15.7 | 22.0 | 26.1 | 18.7 | 10.5 | 7.2 | 4.1 | 11.1 | |
| 4.1 | 3.8 | 4.2 | 7.6 | 6.7 ] | 4.9 ] |
- 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。