旬ごとの値
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支笏湖畔（石狩地方) 1981年（旬ごとの値） 詳細（降水量）
| 月 | 旬 | 降水量 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 (mm) |
最大日 | 最大1時間 | 最大10分間 | 各階級の日数 | ||||||||||
| 降水量 (mm) | 日 | 降水量 (mm) | 日 時:分 | 降水量 (mm) | 日 時:分 | ≧1mm | ≧10mm | ≧30mm | ≧50mm | ≧70mm | ≧100mm | |||
| 上旬 | 21 | 18 | 02 | 5 | 02 23:00 | /// | /// | 2 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 4 | 2 | 16 | 1 | 16 10:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 15 | 7 | 21 | 3 | 21 10:00 | /// | /// | 6 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 34 | 19 | 03 | 3 | 04 02:00 | /// | /// | 5 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 27 | 13 | 19 | 4 | 19 01:00 | /// | /// | 7 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 4 | 2 | 23 | 1 | 27 10:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 38 | 21 | 07 | 5 | 07 21:00 | /// | /// | 8 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 81 | 59 | 14 | 9 | 14 17:00 | /// | /// | 6 | 2 | 1 | 1 | 0 | 0 | |
| 下旬 | 77 | 23 | 25 | 4 | 25 20:00 | /// | /// | 9 | 3 | 0 | 0 | 0 | 0 | |
| 上旬 | 58 | 30 | 10 | 7 | 10 22:00 | /// | /// | 4 | 2 | 1 | 0 | 0 | 0 | |
| 中旬 | 80 | 41 | 20 | 7 | 20 11:00 | /// | /// | 4 | 2 | 2 | 0 | 0 | 0 | |
| 下旬 | 10 | 7 | 30 | 2 | 30 21:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 14 | 8 | 03 | 2 | 03 16:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 45 | 33 | 12 | 4 | 12 10:00 | /// | /// | 5 | 1 | 1 | 0 | 0 | 0 | |
| 下旬 | 70 | 24 | 29 | 4 | 29 01:00 | /// | /// | 6 | 3 | 0 | 0 | 0 | 0 | |
| 上旬 | 20 | 12 | 07 | 2 | 07 09:00 | /// | /// | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 34 | 14 | 17 | 4 | 18 01:00 | /// | /// | 4 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 88 | 51 | 28 | 10 | 28 04:00 | /// | /// | 6 | 3 | 1 | 1 | 0 | 0 | |
| 上旬 | 132 | 43 | 05 | 9 | 10 03:00 | /// | /// | 7 | 4 | 2 | 0 | 0 | 0 | |
| 中旬 | 10 | 9 | 17 | 4 | 17 03:00 | /// | /// | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 45 | 42 | 21 | 41 | 21 22:00 | /// | /// | 3 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 487 | 155 | 04 | 38 | 05 01:00 | /// | /// | 7 | 5 | 4 | 4 | 3 | 3 | |
| 中旬 | 152 | 102 | 12 | 14 | 12 12:00 | /// | /// | 5 | 3 | 1 | 1 | 1 | 1 | |
| 下旬 | 316 | 248 | 23 | 37 | 23 07:00 | /// | /// | 6 | 4 | 1 | 1 | 1 | 1 | |
| 上旬 | 258 | 147 | 04 | 18 | 09 21:00 | /// | /// | 3 | 3 | 2 | 2 | 2 | 2 | |
| 中旬 | 17 | 10 | 13 | 4 | 14 13:00 | /// | /// | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 6 | 6 | 28 | 3 | 28 17:00 | /// | /// | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 80 | 58 | 09 | 10 | 09 03:00 | /// | /// | 7 | 1 | 1 | 1 | 0 | 0 | |
| 中旬 | 77 | 56 | 19 | 18 | 19 05:00 | /// | /// | 2 | 2 | 1 | 1 | 0 | 0 | |
| 下旬 | 72 | 29 | 22 | 10 | 29 10:00 | /// | /// | 5 | 3 | 0 | 0 | 0 | 0 | |
| 上旬 | 44 | 22 | 03 | 8 | 03 13:00 | /// | /// | 4 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 3 | 1 | 16 | 1 | 16 06:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 9 | 4 | 23 | 1 | 27 08:00 | /// | /// | 5 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 9 | 7 | 05 | 3 | 05 11:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 35 | 13 | 13 | 3 | 20 11:00 | /// | /// | 7 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 32 | 23 | 29 | 4 | 29 20:00 | /// | /// | 5 | 1 | 0 | 0 | 0 | 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。