半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
倶知安（後志地方) 1956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 | 26.5 | 14.7 | 01 | × | × | × | × | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 26.4 | 10.5 | 07 | × | × | × | × | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 36.3 | 16.8 | 14 | × | × | × | × | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 22.9 | 7.1 | 19 | × | × | × | × | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 28.2 | 11.5 | 24 | × | × | × | × | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 53.1 | 16.4 | 29 | × | × | × | × | 6 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 24.9 | 13.0 | 05 | × | × | × | × | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 27.4 | 8.3 | 10 | × | × | × | × | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 13.9 | 10.3 | 11 | × | × | × | × | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 7.8 | 3.9 | 18 | × | × | × | × | 4 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 22.8 | 9.0 | 23 | × | × | × | × | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～29 | 21.1 | 8.2 | 26 | × | × | × | × | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 14.4 | 10.7 | 01 | × | × | × | × | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 18.7 | 10.6 | 08 | × | × | × | × | 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 16.4 | 9.6 | 13 | × | × | × | × | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 35.0 | 17.9 | 18 | × | × | × | × | 5 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 1.5 | 1.5 | 21 | × | × | × | × | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 11.4 | 6.2 | 30 | × | × | × | × | 5 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 9.2 | 6.8 | 04 | × | × | × | × | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 11.4 | 7.3 | 06 | × | × | × | × | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 17.1 | 13.9 | 14 | × | × | × | × | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 103.7 | 67.6 | 16 | × | × | × | × | 5 | 5 | 5 | 2 | 1 | 1 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 7.4 | 6.4 | 23 | × | × | × | × | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 7.2 | 7.1 | 26 | × | × | × | × | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 6.2 | 4.9 | 02 | 2.2 | 02 | 0.6 | 02 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 18.7 | 18.3 | 06 | 4.7 | 06 | 2.0 | 06 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 0.0 | 0.0 | 15* | 0.0 | 15* | 0.0 | 15* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 4.4 | 4.4 | 16 | 2.7 | 16 | 0.7 | 16 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 7.4 | 7.4 | 22 | 2.8 | 22 | 0.9 | 22 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 2.1 | 2.1 | 30 | 0.6 | 30 | 0.2 | 30 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 49.9 | 34.3 | 05 | 9.4 | 05 | 3.6 | 05 | 2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 11.8 | 9.2 | 08 | 4.2 | 08 | 1.2 | 08 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 11.7 | 11.7 | 12 | 2.3 | 12 | 0.8 | 12 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 13.3 | 7.9 | 17 | 3.3 | 17 | 1.0 | 17 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 31.9 | 16.8 | 24 | 3.1 | 23 | 0.8 | 24* | 4 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 3.9 | 3.0 | 26 | 1.0 | 26 | 0.5 | 27 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 7.1 | 6.9 | 05 | 2.6 | 05 | 0.7 | 05 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 8.8 | 5.9 | 07 | 6.0 | 07* | 3.4 | 07 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 13.7 | 10.6 | 12 | 6.4 | 12 | 1.9 | 12 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 12.7 | 12.1 | 19 | 4.9 | 19 | 1.1 | 19 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 48.1 | 40.8 | 22 | 28.6 | 22 | 17.0 | 22 | 5 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 8.0 | 7.7 | 26 | 4.3 | 26 | 2.6 | 26 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 3.4 | 2.6 | 04 | 1.1 | 04 | 0.6 | 04 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 0.1 | 0.1 | 06 | 0.0 | 07* | 0.0 | 07* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 41.7 | 37.6 | 13 | 17.6 | 13 | 6.6 | 13 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 127.0 | 68.6 | 17 | 19.2 | 18 | 4.1 | 17 | 5 | 4 | 4 | 2 | 2 | 2 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 11.7 | 9.3 | 24 | 3.4 | 24 | 1.5 | 24 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 2.5 | 1.9 | 27 | 1.2 | 27 | 0.3 | 28* | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 0.8 | 0.8 | 02 | 0.4 | 02 | 0.2 | 02 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 15.3 | 10.8 | 09 | 2.9 | 09 | 1.7 | 06 | 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 1.6 | 1.5 | 14 | 1.4 | 14 | 1.0 | 14 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 14.8 | 14.8 | 20 | 9.2 | 20 | 5.6 | 20 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 20.4 | 20.4 | 25 | 6.2 | 25 | 2.4 | 25 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 0.7 | 0.7 | 27 | 0.0 | 28* | 0.0 | 28* | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 4.0 | 4.0 | 03 | 2.2 | 03 | 1.3 | 03 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 38.5 | 18.0 | 09 | 10.4 ] | 10 | 2.1 ] | 10 | 3 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 14.9 | 6.9 | 14 | 2.2 | 14 | 2.1 | 14 | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 14.4 | 7.5 | 19 | 0.0 ] | 18* | 0.0 ] | 18* | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 1.1 | 0.7 | 23 | 0.7 | 23 | 0.2 | 24* | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 28.6 | 23.6 | 31 | 4.5 | 31 | 2.2 | 27 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 9.2 | 4.4 | 01 | 2.2 | 01 | 1.3 | 01 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 12.2 | 6.0 | 09 | 3.1 ) | 07 | 1.4 ) | 07 | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 57.2 | 23.7 | 15 | 9.0 ] | 11 | 6.6 ] | 11 | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 87.0 | 35.7 | 16 | × | × | × | × | 5 | 5 | 5 | 3 | 1 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 45.7 | 35.4 | 23 | × | × | × | × | 5 | 4 | 3 | 1 | 1 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～30 | 46.1 | 21.3 | 30 | × | × | × | × | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |||||
| 第1半旬 | 1～ 5 | 75.4 | 19.4 | 01 | × | × | × | × | 5 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | |||||
| 第2半旬 | 6～10 | 45.5 | 33.0 | 10 | × | × | × | × | 5 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | |||||
| 第3半旬 | 11～15 | 18.0 | 10.5 | 11 | × | × | × | × | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |||||
| 第4半旬 | 16～20 | 81.6 | 22.7 | 18 | × | × | × | × | 5 | 5 | 5 | 4 | 0 | 0 | 0 | 0 | |||||
| 第5半旬 | 21～25 | 60.1 | 21.0 | 21 | × | × | × | × | 5 | 4 | 4 | 3 | 0 | 0 | 0 | 0 | |||||
| 第6半旬 | 26～31 | 31.7 | 11.8 | 31 | × | × | × | × | 6 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |||||