旬ごとの値
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倶知安（後志地方) 1991年（旬ごとの値） 詳細（気圧・降水量）
| 月 | 旬 | 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 | |||||||||||||
| 上旬 | 981.5 | 1003.9 | -- | 137.5 | 34.0 | 10 | 5.5 | 10* | 1.5 | 10* | 10 | 10 | 9 | 6 | 1 | 0 | 0 | 0 | ||
| 中旬 | 993.2 | 1015.9 | -- | 29.5 | 15.0 | 17 | 4.0 | 17 | 1.5 | 17 | 10 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 994.1 | 1016.8 | -- | 24.5 | 6.0 | 28 | 2.0 | 28 | 0.5 | 31* | 11 | 9 | 8 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 988.5 | 1011.2 | -- | 51.5 | 14.0 | 07 | 4.5 | 06 | 1.5 | 06 | 10 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.7 | 1013.6 | -- | 24.5 | 9.0 | 16 | 1.5 | 16* | 0.5 | 18* | 10 | 8 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 989.9 | 1012.6 | -- | 44.5 | 13.5 | 23 | 3.0 | 23 | 1.0 | 26* | 8 | 8 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 991.9 | 1014.4 | -- | 39.0 | 12.0 | 07 | 2.5 | 07 | 1.0 | 07 | 9 | 8 | 7 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 992.5 | 1015.1 | -- | 42.0 | 11.5 | 17 | 3.5 | 17 | 1.0 | 17 | 10 | 10 | 8 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 998.3 | 1020.8 | -- | 4.0 | 1.5 | 21 | 0.5 | 31* | 0.5 | 31* | 9 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 997.6 | 1019.7 | -- | 7.5 | 4.0 | 01 | 1.5 | 09* | 1.0 | 01 | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 986.7 | 1008.4 | -- | 16.0 | 8.0 | 20 | 4.0 | 20 | 1.0 | 20 | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 994.5 | 1016.3 | -- | 42.0 | 21.5 | 29 | 3.0 | 30* | 1.0 | 29* | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 989.4 | 1011.0 | -- | 23.5 | 12.0 | 08 | 3.5 | 09 | 1.0 | 09* | 6 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 986.5 | 1007.7 | -- | 40.0 | 22.0 | 16 | 12.0 | 16 | 5.5 | 16 | 6 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.9 | 1014.2 | -- | 0.0 | 0.0 | 27* | 0.0 | 27* | 0.0 | 27* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 989.2 | 1010.2 | -- | 9.5 | 4.5 | 10* | 3.0 | 05 | 1.0 | 05 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 982.8 | 1003.5 | -- | 17.5 | 9.5 | 14 | 4.5 | 14 | 2.5 | 14 | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.3 | 1008.0 | -- | 0.0 | 0.0 | 30* | 0.0 | 30* | 0.0 | 30* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 985.9 | 1006.6 | -- | 1.0 | 1.0 | 08 | 0.5 | 08 | 0.5 | 08 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 989.8 | 1010.6 | -- | 43.5 | 32.5 | 17 | 8.5 | 17 | 2.0 | 17 | 7 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | ||
| 下旬 | 982.6 | 1003.1 | -- | 73.5 | 33.5 | 23 | 16.0 | 21 | 7.0 | 21 | 9 | 6 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 988.0 | 1008.7 | -- | 7.5 | 5.0 | 03 | 2.0 | 03 | 0.5 | 08* | 7 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 991.5 | 1012.1 | -- | 42.5 | 26.5 | 13 | 17.5 | 13 | 6.0 | 13 | 3 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.4 | 1008.1 | -- | 50.0 | 36.0 | 21 | 12.5 | 21 | 6.5 | 21 | 7 | 5 | 4 | 1 | 1 | 0 | 0 | 0 | ||
| 上旬 | 989.5 | 1011.3 | -- | 23.0 | 15.0 | 06 | 6.0 | 06 | 3.0 | 06 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 992.1 | 1014.2 | -- | 8.0 | 5.0 | 11 | 5.5 | 11 | 2.5 | 11 | 7 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.0 | 1014.3 | 974.7 | 28 | 76.0 | 50.5 | 28 | 10.5 | 28 | 3.5 | 28 | 9 | 7 | 7 | 2 | 1 | 1 | 0 | 0 | |
| 上旬 | 993.0 | 1015.3 | -- | 9.0 | 4.0 | 05 | 1.5 | 07* | 1.5 | 05* | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 987.2 | 1009.5 | -- | 81.0 | 37.0 | 15 | 13.0 | 17 | 8.5 | 17 | 7 | 7 | 7 | 3 | 1 | 0 | 0 | 0 | ||
| 下旬 | 993.2 | 1015.9 | -- | 28.5 | 12.0 | 30 | 3.0 | 25 | 1.5 | 22 | 11 | 9 | 8 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 994.9 | 1018.0 | -- | 75.0 | 31.0 | 05 | 5.0 | 04 | 2.0 | 04 | 8 | 8 | 8 | 3 | 1 | 0 | 0 | 0 | ||
| 中旬 | 992.1 | 1015.5 | -- | 83.0 | 15.0 | 15* | 3.5 | 13 | 2.0 | 17 | 10 | 9 | 9 | 5 | 0 | 0 | 0 | 0 | ||
| 下旬 | 996.8 | 1020.2 | -- | 17.5 | 8.0 | 24 | 1.5 | 25 | 0.5 | 26* | 8 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 996.4 | 1020.1 | -- | 49.5 | 14.0 | 09 | 2.5 | 09* | 1.0 | 09* | 9 | 8 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 996.5 | 1020.4 | -- | 62.0 | 20.0 | 17 | 5.0 | 17 | 1.0 | 18* | 10 | 9 | 8 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 990.9 | 1014.7 | 979.6 | 29 | 60.0 | 16.0 | 29 | 4.0 | 29 | 1.0 | 29* | 11 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | |