旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
支笏湖畔（石狩地方) 1998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 | 13 | 5 | 2 | /// | -7.6 | -5.2 | -10.2 | 0.1 | -14.1 | /// | /// | 2.1 | 5 | 西 | /// | /// | 26.1 | /// | /// | /// | |
| 中旬 | 60 | 60 | 8 | /// | -5.9 | -2.7 | -8.9 | 1.8 | -12.3 | /// | /// | 1.8 | 6 | 西 | /// | /// | 19.8 | /// | /// | /// | |
| 下旬 | 16 | 14 | 4 | /// | -8.0 | -5.0 | -10.8 | -1.3 | -13.1 | /// | /// | 1.5 | 4 | 西 | /// | /// | 37.6 | /// | /// | /// | |
| 上旬 | 25 | 13 | 3 | /// | -6.6 | -3.9 | -10.4 | -0.5 | -15.8 | /// | /// | 1.8 | 4 | 北西 | /// | /// | 33.5 | /// | /// | /// | |
| 中旬 | 19 | 16 | 5 | /// | -4.7 | -1.3 | -8.9 | 3.3 | -13.6 | /// | /// | 1.8 | 5 | 北北西 | /// | /// | 48.3 | /// | /// | /// | |
| 下旬 | 0 | 0 | 0 | /// | -3.4 | -0.2 | -6.8 | 3.2 | -13.8 | /// | /// | 1.4 | 5 | 西 | /// | /// | 36.7 | /// | /// | /// | |
| 上旬 | 19 | 12 | 4 | /// | -1.7 | 2.0 | -5.5 | 5.4 | -7.7 | /// | /// | 1.8 | 6 | 北西 | /// | /// | 56.7 | /// | /// | /// | |
| 中旬 | 86 | 65 | 11 | /// | -0.9 | 2.1 | -4.1 | 6.2 | -7.8 | /// | /// | 2.0 | 5 | 北東 | /// | /// | 46.8 | /// | /// | /// | |
| 下旬 | 3 | 1 | 1 | /// | 1.5 | 5.2 | -1.8 | 11.5 | -6.3 | /// | /// | 1.9 | 7 | 西 | /// | /// | 81.4 | /// | /// | /// | |
| 上旬 | 6 | 5 | 2 | /// | 3.5 | 7.5 | -0.5 | 13.7 | -4.2 | /// | /// | 1.5 | 3 | 西北西 | /// | /// | 75.1 | /// | /// | /// | |
| 中旬 | 36 | 31 | 6 | /// | 6.2 | 11.1 | 2.1 | 20.2 | -1.2 | /// | /// | 1.6 | 5 | 西北西 | /// | /// | 60.5 | /// | /// | /// | |
| 下旬 | 5 | 3 | 3 | /// | 9.1 | 13.1 | 4.9 | 21.0 | -1.8 | /// | /// | 1.7 | 4 | 西北西 | /// | /// | 49.8 | /// | /// | /// | |
| 上旬 | 87 | 76 | 7 | /// | 8.4 | 13.8 | 3.2 | 22.0 | 1.0 | /// | /// | 1.7 | 5 | 北西 | /// | /// | 59.4 | /// | /// | /// | |
| 中旬 | 24 | 16 | 4 | /// | 11.2 | 16.3 | 6.6 | 26.1 | 1.0 | /// | /// | 1.2 | 3 | 東南東 | /// | /// | 43.8 | /// | /// | /// | |
| 下旬 | 16 | 16 | 3 | /// | 11.8 | 17.9 | 7.0 | 23.1 | 4.2 | /// | /// | 1.1 | 4 | 西 | /// | /// | 52.6 | /// | /// | /// | |
| 上旬 | 39 | 21 | 3 | /// | 9.2 | 12.0 | 6.6 | 16.3 | 4.4 | /// | /// | 0.9 | 3 | 北東 | /// | /// | 21.0 | /// | /// | /// | |
| 中旬 | 70 | 45 | 6 | /// | 12.6 | 15.5 | 10.1 | 21.8 | 8.2 | /// | /// | 1.0 | 4 | 西 | /// | /// | 9.8 | /// | /// | /// | |
| 下旬 | 27 | 15 | 6 | /// | 15.5 | 20.1 | 11.6 | 24.8 | 6.6 | /// | /// | 1.1 | 3 | 東北東 | /// | /// | 47.0 | /// | /// | /// | |
| 上旬 | 84 | 71 | 11 | /// | 17.3 | 20.5 | 14.5 | 24.9 | 13.4 | /// | /// | 0.8 | 3 | 北北東 | /// | /// | 7.0 | /// | /// | /// | |
| 中旬 | 2 | 2 | 1 | /// | 16.4 | 21.0 | 13.5 | 25.0 | 11.6 | /// | /// | 0.8 | 3 | 東北東 | /// | /// | 45.8 | /// | /// | /// | |
| 下旬 | 43 | 35 | 8 | /// | 19.0 | 21.3 | 17.0 | 26.1 | 15.1 | /// | /// | 0.9 | 2 | 西 | /// | /// | 16.9 | /// | /// | /// | |
| 上旬 | 25 | 10 | 2 | /// | 17.8 | 20.5 | 15.3 | 24.7 | 11.9 | /// | /// | 0.9 | 3 | 北東 | /// | /// | 21.3 | /// | /// | /// | |
| 中旬 | 143 | 97 | 11 | /// | 18.1 | 20.8 | 16.3 | 24.8 | 14.5 | /// | /// | 0.9 | 4 | 北東 | /// | /// | 11.6 | /// | /// | /// | |
| 下旬 | 78 | 52 | 10 | /// | 18.9 | 21.6 | 16.6 | 24.0 | 13.7 | /// | /// | 0.7 | 2 | 北北東 | /// | /// | 14.6 | /// | /// | /// | |
| 上旬 | 84 | 44 | 10 | /// | 18.2 | 21.7 | 16.0 | 24.7 | 14.7 | /// | /// | 0.8 | 3 | 北東 | /// | /// | 36.5 | /// | /// | /// | |
| 中旬 | 184 | 177 | 21 | /// | 17.2 | 20.9 | 13.9 | 26.1 | 10.5 | /// | /// | 1.4 | 6 | 西 | /// | /// | 53.5 | /// | /// | /// | |
| 下旬 | 72 | 22 | 8 | /// | 16.0 | 19.6 | 12.7 | 23.4 | 9.6 | /// | /// | 0.9 | 4 | 北北東 | /// | /// | 37.8 | /// | /// | /// | |
| 上旬 | 17 | 11 | 2 | /// | 12.5 | 16.2 | 9.1 | 19.0 | 6.0 | /// | /// | 1.3 | 4 | 西南西 | /// | /// | 54.3 | /// | /// | /// | |
| 中旬 | 102 | 53 | 10 | /// | 13.3 | 17.2 | 9.8 | 20.3 | 7.2 | /// | /// | 1.2 | 4 | 西 | /// | /// | 45.3 | /// | /// | /// | |
| 下旬 | 77 ) | 54 ) | 28 ] | /// | 9.6 ) | 13.0 ) | 6.6 ) | 14.2 ) | 4.6 ) | /// | /// | 1.2 ) | 3 ) | 北北西 | /// | /// | 49.6 ) | /// | /// | /// | |
| 上旬 | 76 | 42 | 12 | /// | 6.1 | 9.3 | 2.5 | 14.0 | -0.2 | /// | /// | 2.0 | 6 | 西 | /// | /// | 33.4 | /// | /// | /// | |
| 中旬 | 13 | 9 | 2 | /// | 0.8 | 3.6 | -1.9 | 11.6 | -6.4 | /// | /// | 2.1 | 7 | 西 | /// | /// | 20.5 | /// | /// | /// | |
| 下旬 | 15 | 6 | 3 | /// | -1.7 | 1.0 | -4.2 | 3.9 | -7.3 | /// | /// | 1.5 | 4 | 西北西 | /// | /// | 25.4 | /// | /// | /// | |
| 上旬 | 60 | 47 | 9 | /// | -3.9 | -1.5 | -6.3 | 5.7 | -8.9 | /// | /// | 2.0 | 6 | 西 | /// | /// | 21.5 | /// | /// | /// | |
| 中旬 | 16 | 5 | 3 | /// | -1.3 | 1.5 | -3.9 | 5.5 | -7.8 | /// | /// | 1.9 | 5 | 西北西 | /// | /// | 26.2 | /// | /// | /// | |
| 下旬 | 9 | 5 | 2 | /// | -4.1 | -1.1 | -6.8 | 1.6 | -9.0 | /// | /// | 1.6 | 5 | 西 | /// | /// | 36.4 | /// | /// | /// | |
- 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。