旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
増毛（留萌地方) 1997年（旬ごとの値） 主な要素
| 月 | 旬 | 降水量 | 気温 | 湿度 | 風向・風速 | 日照 時間 (h) |
雪 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 (mm) | 最大 | 平均 | 最高 (℃) | 最低 (℃) |
平均 (％) | 最小 (％) |
平均 風速 (m/s) | 最大風速 | 最大瞬間風速 | 降雪の深さ | 最深 積雪 (cm) |
||||||||||
| 日 (mm) | 1時間 (mm) | 10分間 (mm) |
日平均 (℃) | 日最高 (℃) | 日最低 (℃) |
風速 (m/s) | 風向 | 風速 (m/s) | 風向 | 合計 (cm) | 日合計の最大 (cm) |
||||||||||
| 上旬 | 18 | 17 | 4 | /// | -2.4 | 0.1 | -6.2 | 3.1 | -12.0 | /// | /// | 1.9 | 7 | 西南西 | /// | /// | 29.0 | /// | /// | /// | |
| 中旬 | 24 | 10 | 4 | /// | -2.7 | -0.4 | -5.3 | 5.0 | -8.3 | /// | /// | 3.6 | 10 | 西南西 | /// | /// | 26.1 | /// | /// | /// | |
| 下旬 | 15 | 5 | 1 | /// | -3.2 | -1.0 | -6.0 | 2.1 | -12.4 | /// | /// | 2.8 | 7 | 西南西 | /// | /// | 15.9 | /// | /// | /// | |
| 上旬 | 14 | 6 | 1 | /// | -1.9 | 0.1 | -4.0 | 1.2 | -5.6 | /// | /// | 2.0 | 6 | 西南西 | /// | /// | 27.4 | /// | /// | /// | |
| 中旬 | 7 | 3 | 1 | /// | -2.4 | -0.6 | -4.8 | 2.8 | -7.9 | /// | /// | 3.1 | 8 | 西南西 | /// | /// | 16.6 | /// | /// | /// | |
| 下旬 | 8 | 6 | 2 | /// | -1.2 | 1.4 | -3.7 | 8.2 | -8.0 | /// | /// | 2.9 | 6 | 西北西 | /// | /// | 27.7 | /// | /// | /// | |
| 上旬 | 10 | 3 | 1 | /// | -2.9 | 0.0 | -6.1 | 7.5 | -9.4 | /// | /// | 4.2 | 8 | 西 | /// | /// | 15.1 | /// | /// | /// | |
| 中旬 | 8 | 5 | 2 | /// | -0.9 | 1.6 | -3.8 | 5.6 | -8.6 | /// | /// | 2.2 | 6 | 西南西 | /// | /// | 69.2 | /// | /// | /// | |
| 下旬 | 20 | 10 | 3 | /// | 2.1 | 5.2 | -1.4 | 12.3 | -5.1 | /// | /// | 3.4 | 9 | 西南西 | /// | /// | 60.4 | /// | /// | /// | |
| 上旬 | 5 | 3 | 2 | /// | 4.2 | 7.2 | 1.5 | 13.7 | -1.2 | /// | /// | 2.4 | 8 | 西南西 | /// | /// | 55.2 | /// | /// | /// | |
| 中旬 | 14 | 10 | 2 | /// | 3.5 | 5.8 | 1.1 | 8.5 | -1.0 | /// | /// | 2.2 | 5 | 西南西 | /// | /// | 75.0 | /// | /// | /// | |
| 下旬 | 2 | 2 | 2 | /// | 9.0 | 12.7 | 4.8 | 21.8 | 0.9 | /// | /// | 2.4 | 6 | 西南西 | /// | /// | 57.1 | /// | /// | /// | |
| 上旬 | 49 | 22 | 6 | /// | 8.9 | 12.4 | 5.3 | 17.4 | 0.6 | /// | /// | 3.1 | 12 | 南南東 | /// | /// | 51.2 | /// | /// | /// | |
| 中旬 | 33 | 13 | 2 | /// | 11.1 | 14.4 ) | 8.2 ) | 19.2 ) | 3.0 ] | /// | /// | 1.4 | 7 ) | 南南東 | /// | /// | 46.5 | /// | /// | /// | |
| 下旬 | 5 | 3 | 1 | /// | 10.9 | 13.9 | 7.9 | 18.4 | 7.0 | /// | /// | 1.3 | 6 | 西南西 | /// | /// | 48.0 | /// | /// | /// | |
| 上旬 | 23 | 7 | 2 | /// | 11.7 | 14.9 | 8.8 | 19.6 | 7.6 | /// | /// | 1.4 | 6 | 南 | /// | /// | 21.4 | /// | /// | /// | |
| 中旬 | 0 | 0 | 0 | /// | 13.5 | 16.3 | 10.6 | 21.0 | 8.8 | /// | /// | 0.9 | 7 | 西 | /// | /// | 52.8 | /// | /// | /// | |
| 下旬 | 10 | 5 | 2 | /// | 16.8 | 19.7 | 14.0 | 25.7 | 10.7 | /// | /// | 0.8 | 4 | 西南西 | /// | /// | 26.1 | /// | /// | /// | |
| 上旬 | 35 | 16 | 6 | /// | 18.2 | 21.7 | 15.0 | 25.1 | 13.0 | /// | /// | 1.3 | 6 | /// | /// | /// | 34.2 | /// | /// | /// | |
| 中旬 | 6 | 4 | 2 | /// | 18.5 | 22.3 | 15.1 | 27.8 | 11.5 | /// | /// | 0.9 | 5 | /// | /// | /// | 47.4 | /// | /// | /// | |
| 下旬 | 14 | 11 | 5 | /// | 22.2 | 25.7 | 18.7 | 28.2 | 15.3 | /// | /// | 0.6 | 2 | /// | /// | /// | 91.2 | /// | /// | /// | |
| 上旬 | 200 | 101 | 26 | /// | 21.3 | 23.5 | 19.0 | 28.2 | 16.8 | /// | /// | 1.1 | 4 | /// | /// | /// | 20.8 | /// | /// | /// | |
| 中旬 | 12 | 10 | 3 | /// | 17.6 | 20.3 | 15.1 | 22.3 | 13.7 | /// | /// | 0.7 | 2 | /// | /// | /// | 28.7 | /// | /// | /// | |
| 下旬 | 12 | 11 | 3 | /// | 19.7 | 23.6 | 16.1 | 28.0 | 14.1 | /// | /// | 1.0 | 5 | /// | /// | /// | 65.7 | /// | /// | /// | |
| 上旬 | 15 | 8 | 3 | /// | 19.0 | 23.3 | 14.7 | 28.1 | 12.7 | /// | /// | 1.0 | 4 | /// | /// | /// | 76.9 | /// | /// | /// | |
| 中旬 | 25 | 9 | 3 | /// | 14.7 | 17.8 | 11.5 | 19.8 | 8.7 | /// | /// | 1.4 | 4 | /// | /// | /// | 37.2 | /// | /// | /// | |
| 下旬 | 31 | 21 | 3 | /// | 13.9 | 17.8 | 10.0 | 22.4 | 7.0 | /// | /// | 1.4 | 4 | /// | /// | /// | 58.7 | /// | /// | /// | |
| 上旬 | 96 | 45 | 17 | /// | 12.8 | 17.1 | 8.8 | 22.0 | 5.3 | /// | /// | 2.0 | 7 | /// | /// | /// | 49.0 | /// | /// | /// | |
| 中旬 | 81 | 33 | 7 | /// | 9.8 | 13.2 | 5.6 | 17.0 | 2.5 | /// | /// | 2.4 | 7 | /// | /// | /// | 27.0 | /// | /// | /// | |
| 下旬 | 83 | 17 | 8 | /// | 8.4 | 11.3 ) | 4.8 ) | 18.8 ) | 2.1 ) | /// | /// | 3.0 | 8 ) | /// | /// | /// | 36.6 | /// | /// | /// | |
| 上旬 | 15 | 7 | 5 | /// | 8.2 | 10.6 | 5.7 | 14.6 | 0.9 | /// | /// | 2.8 | 8 | 西南西 | /// | /// | 41.7 | /// | /// | /// | |
| 中旬 | 59 | 25 | 5 | /// | 6.5 | 9.1 | 3.2 | 13.8 | 0.3 | /// | /// | 2.2 | 8 | 南西 | /// | /// | 18.9 | /// | /// | /// | |
| 下旬 | 62 | 20 | 4 | /// | 6.2 | 9.9 | 2.6 | 16.3 | -0.7 | /// | /// | 2.5 | 10 | 南 | /// | /// | 13.8 | /// | /// | /// | |
| 上旬 | 40 | 25 | 5 | /// | 0.4 | 2.8 | -1.6 | 11.1 | -7.1 | /// | /// | 3.4 | 8 | 西南西 | /// | /// | 5.3 | /// | /// | /// | |
| 中旬 | 24 | 9 | 2 | /// | 1.7 | 3.9 | -0.5 | 9.2 | -5.3 | /// | /// | 3.7 | 9 | 西南西 | /// | /// | 12.0 | /// | /// | /// | |
| 下旬 | 19 | 6 | 2 | /// | -0.3 | 2.1 | -2.9 | 7.1 | -6.5 | /// | /// | 2.9 | 7 | 西 | /// | /// | 23.0 | /// | /// | /// | |
- 値欄の記号の説明
- 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。