旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
北斗（渡島地方) 1986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 | 9 ] | 8 ] | 10 | 3 ] | 10 07:00 | /// | /// | 2 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | |
| 中旬 | 15 | 6 | 13 | 2 | 14 01:00 | /// | /// | 5 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 33 | 8 | 27 | 2 | 25 20:00 | /// | /// | 10 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 22 | 9 | 02 | 1 | 10 12:00 | /// | /// | 7 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 4 | 1 | 20 | 1 | 20 13:00 | /// | /// | 4 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 28 | 10 | 21 | 1 | 26 17:00 | /// | /// | 6 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 23 | 14 | 10 | 2 | 10 14:00 | /// | /// | 7 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 31 | 11 | 16 | 3 | 16 07:00 | /// | /// | 8 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 7 | 2 | 31 | 1 | 31 16:00 | /// | /// | 5 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 16 | 9 | 02 | 4 | 02 05:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 6 | 2 | 16 | 1 | 18 17:00 | /// | /// | 4 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 79 | 46 | 27 | 6 | 27 13:00 | /// | /// | 6 | 2 | 1 | 0 | 0 | 0 | |
| 上旬 | 26 | 14 | 02 | 3 | 07 10:00 | /// | /// | 2 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 35 | 23 | 19 | 3 | 19 17:00 | /// | /// | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 10 | 8 | 24 | 2 | 24 16:00 | /// | /// | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1 | 1 | 10 | 1 | 10 14:00 | /// | /// | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 29 | 14 | 19 | 2 | 19 24:00 | /// | /// | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 18 | 17 | 30 | 6 | 30 20:00 | /// | /// | 2 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 24 | 11 | 07 | 3 | 07 21:00 | /// | /// | 4 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 84 | 61 | 12 | 9 | 12 16:00 | /// | /// | 4 | 2 | 1 | 1 | 0 | 0 | |
| 下旬 | 25 | 22 | 23 | 4 | 23 01:00 | /// | /// | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 45 | 41 | 05 | 5 | 05 05:00 | /// | /// | 3 | 1 | 1 | 0 | 0 | 0 | |
| 中旬 | 56 | 23 | 14 | 13 | 14 09:00 | /// | /// | 3 | 3 | 0 | 0 | 0 | 0 | |
| 下旬 | 5 | 5 | 22 | 3 | 22 06:00 | /// | /// | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 161 | 132 | 03 | 22 | 03 22:00 | /// | /// | 6 | 2 | 1 | 1 | 1 | 1 | |
| 中旬 | 31 | 27 | 18 | 5 | 18 09:00 | /// | /// | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 79 | 44 | 21 | 9 | 21 16:00 | /// | /// | 5 | 2 | 1 | 0 | 0 | 0 | |
| 上旬 | 28 | 25 | 03 | 9 | 03 03:00 | /// | /// | 2 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 7 | 4 | 17 | 2 | 15 03:00 | /// | /// | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 41 | 16 | 22 | 4 | 22 06:00 | /// | /// | 7 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 26 | 10 | 10 | 3 | 10 06:00 | /// | /// | 6 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 23 | 11 | 11 | 3 | 11 15:00 | /// | /// | 5 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 38 | 25 | 25 | 2 | 25 19:00 | /// | /// | 8 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 12 | 5 | 07 | 3 | 07 09:00 | /// | /// | 5 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 15 | 11 | 19 | 2 | 19 07:00 | /// | /// | 2 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 32 | 10 | 31 | 3 | 31 17:00 | /// | /// | 8 | 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。