半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
倶知安（後志地方) 1955年（半旬ごとの値） 詳細（気圧・降水量）
| 月 | 半旬 | 日～日 | 気圧(hPa) | 降水量(mm) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地 | 海面 | 合計 | 最大 | 各階級の日数 | |||||||||||||||||
| 平均 | 平均 | 最低 | 日 | 1時間 | 10分間 | ≧0.0mm | ≧0.5mm | ≧1.0mm | ≧10.0mm | ≧30.0mm | ≧50.0mm | ≧70.0mm | ≧100.0mm | ||||||||
| 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | ||||||||||||||
| 第1半旬 | 1～ 5 | 51.5 | 21.7 | 03 | × | × | × | × | 5 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 42.4 | 20.5 | 06 | × | × | × | × | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 24.2 | 9.6 | 15 | × | × | × | × | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 36.9 | 11.6 | 16 | × | × | × | × | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 55.5 | 15.7 | 22 | × | × | × | × | 5 | 5 | 5 | 4 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 31.0 | 12.2 | 27 | × | × | × | × | 6 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 22.4 | 8.2 | 05 | × | × | × | × | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 15.6 | 6.2 | 10 | × | × | × | × | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 43.1 | 13.9 | 15 | × | × | × | × | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 40.8 | 22.4 | 20 | × | × | × | × | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 18.3 | 7.1 | 21 | × | × | × | × | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～28 | 3.3 | 2.5 | 28 | × | × | × | × | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 36.4 | 14.8 | 03 | × | × | × | × | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 20.8 | 10.4 | 09 | × | × | × | × | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 33.3 | 20.1 | 13 | × | × | × | × | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 28.4 | 13.5 | 18 | × | × | × | × | 5 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 11.9 | 10.1 | 21 | × | × | × | × | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 10.9 | 5.5 | 29 | × | × | × | × | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 12.0 | 9.4 | 04 | × | × | × | × | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 31.7 | 18.2 | 08 | × | × | × | × | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 1.7 | 0.9 | 12 | × | × | × | × | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 14.2 | 10.6 | 17 | × | × | × | × | 4 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 13.4 | 10.3 | 24 | × | × | × | × | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 0.0 | 0.0 | 27 | 0.0 | 27 | 0.0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 9.7 | 9.7 | 04 | 2.0 | 04 | 0.4 | 04 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 9.0 | 6.3 | 06 | 1.1 | 06 | 0.6 | 06 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 23.6 | 17.6 | 11 | 5.1 | 11 | 1.6 | 11 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 10.8 | 10.3 | 18 | 1.7 | 18 | 0.4 | 18 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 21.9 | 18.7 | 25 | 2.6 | 25 | 0.8 | 25 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 31.5 | 17.4 | 30 | 6.3 | 30 | 1.4 | 30 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 0.8 | 0.7 | 01 | 0.2 | 01 | 0.1 | 01 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 0.3 | 0.3 | 10 | 0.2 | 10 | 0.2 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 0.0 | 0.0 | 12 | 0.0 | 12 | 0.0 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 19.4 | 11.8 | 18 | 4.8 | 18 | 2.4 | 18 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 42.3 | 27.6 | 21 | 4.8 | 21 | 1.9 | 24 | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 7.6 | 7.6 | 27 | 2.5 | 27 | 0.6 | 27 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 69.3 | 61.6 | 03 | 15.0 | 03 | 3.8 | 03 | 3 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 3.9 | 3.9 | 10 | 1.0 | 10 | 0.9 | 10 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 18.8 | 15.3 | 11 | 10.0 | 11 | 5.1 | 11 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||
| 第5半旬 | 21～25 | 10.3 | 4.8 | 23 | 4.8 | 23 | 2.9 | 24 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 61.9 | 58.0 | 31 | 17.6 | 31 | 5.0 | 31 | 4 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 6.6 | 6.5 | 02 | 3.0 | 02 | 1.9 | 02 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||
| 第4半旬 | 16～20 | 136.4 | 62.3 | 18 | 17.1 | 20 | 5.8 | 19 | 5 | 4 | 4 | 3 | 2 | 1 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 36.5 | 25.8 | 23 | 19.7 | 23 | 8.5 | 23 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 101.1 | 61.4 | 28 | 20.6 | 28 | 10.4 | 30 | 5 | 3 | 2 | 2 | 2 | 1 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 1.1 | 0.7 | 03 | 0.4 | 03 | 0.4 | 03 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 18.6 | 9.4 | 07 | 4.1 | 06 | 1.0 | 06 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 4.5 | 4.5 | 15 | 6.0 | 15 | 3.8 | 15 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 21.4 | 7.2 | 19 | 3.9 | 19 | 2.4 | 19 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 11.3 | 10.7 | 23 | 2.5 | 23 | 0.8 | 23 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 28.0 | 27.1 | 30 | 10.2 | 30 | 2.5 | 30 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 18.7 | 17.1 | 04 | 2.3 | 04 | 0.9 | 04 | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 51.0 | 32.0 | 07 | 6.1 | 07 | 1.9 | 07 | 5 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 18.8 | 9.1 | 14* | 3.0 | 14 | 0.9 | 14 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 34.9 | 22.2 | 20 | 3.9 | 18 | 2.4 | 16 | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 19.2 | 8.1 | 21 | 3.5 | 21 | 0.8 | 21 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 32.2 | 15.2 | 30 | 1.2 ] | 28 | 0.9 ] | 29 | 6 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 30.9 | 11.5 | 03 | 2.0 ] | 01 | 0.7 ] | 01 | 4 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 32.0 | 17.9 | 09 | × | × | × | × | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 9.2 | 5.1 | 13 | × | × | × | × | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 25.9 | 21.6 | 16 | × | × | × | × | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 55.7 | 30.1 | 21 | × | × | × | × | 5 | 4 | 4 | 2 | 1 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 16.3 | 5.9 | 28 | × | × | × | × | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 10.8 | 6.6 | 05 | × | × | × | × | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 26.4 | 8.8 | 07 | × | × | × | × | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 36.5 | 29.9 | 15 | × | × | × | × | 4 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 15.3 | 6.5 | 17 | × | × | × | × | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 13.4 | 7.0 | 22 | × | × | × | × | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 60.3 | 19.4 | 29 | × | × | × | × | 6 | 6 | 6 | 3 | 0 | 0 | 0 | 0 | |||||