旬ごとの値
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倶知安（後志地方) 1987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 | 990.6 | 1013.5 | -- | 84.0 | 24.5 | 09 | 4.0 | 09 | 2.0 | 09 | 10 | 10 | 10 | 3 | 0 | 0 | 0 | 0 | ||
| 中旬 | 988.8 | 1011.7 | -- | 86.0 | 22.5 | 19 | 3.5 | 19* | 1.5 | 19* | 10 | 8 | 8 | 4 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.2 | 1015.0 | -- | 71.5 | 17.5 | 23 | 2.5 | 30* | 1.0 | 30* | 11 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 991.9 | 1014.8 | -- | 14.0 | 8.0 | 01 | 1.5 | 01 | 1.0 | 01 | 9 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 993.2 | 1016.3 | -- | 78.5 | 13.0 | 16 | 3.0 | 19 | 1.0 | 19* | 10 | 9 | 9 | 5 | 0 | 0 | 0 | 0 | ||
| 下旬 | 983.9 | 1006.4 | -- | 45.0 | 17.5 | 25 | 3.0 | 25 | 1.0 | 27* | 8 | 8 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 986.3 | 1008.8 | -- | 35.5 | 6.0 | 02 | 2.0 | 10* | 1.0 | 10* | 10 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.5 | 1013.0 | -- | 11.5 | 7.5 | 14 | 2.0 | 14 | 1.0 | 14 | 8 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.3 | 1014.6 | -- | 45.0 | 16.0 | 24 | 3.0 | 24 | 1.5 | 27 | 10 | 7 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 992.1 | 1014.2 | -- | 26.5 | 16.0 | 10 | 3.5 | 10 | 1.0 | 10* | 7 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 993.7 | 1015.9 | -- | 67.0 | 29.0 | 12 | 5.0 | 14* | 2.0 | 14* | 6 | 6 | 5 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 989.6 | 1011.4 | -- | 26.0 | 9.5 | 22 | 4.5 | 22 | 1.5 | 22 | 7 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 989.2 | 1010.7 | -- | 34.5 | 26.5 | 03 | 5.5 | 03 | 1.5 | 03 | 6 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 992.5 | 1013.9 | -- | 26.5 | 24.5 | 13 | 7.5 | 13 | 5.0 | 13 | 8 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 990.1 | 1011.5 | -- | 27.5 | 14.5 | 24 | 8.0 | 26 | 2.5 | 26 | 7 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 988.0 | 1008.9 | -- | 35.0 | 22.5 | 07 | 13.5 | 07 | 4.0 | 07 | 6 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.9 | 1012.0 | -- | 1.0 | 1.0 | 15 | 1.0 | 15 | 0.5 | 15 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.6 | 1008.3 | -- | 0.0 | 0.0 | 30* | 0.0 | 30* | 0.0 | 30* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 986.2 | 1006.9 | -- | 44.0 | 27.5 | 01 | 16.0 | 01 | 7.0 | 01 | 8 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 985.8 | 1006.5 | -- | 37.0 | 17.5 | 11 | 6.0 | 11 | 2.5 | 16* | 9 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 985.3 | 1005.8 | -- | 45.0 | 28.5 | 30 | 26.0 | 30 | 8.0 | 30 | 9 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 987.9 | 1008.6 | -- | 20.5 | 9.5 | 08 | 2.0 | 08* | 0.5 | 08* | 10 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 993.1 | 1013.8 | -- | 2.5 | 1.5 | 11 | 1.0 | 11 | 0.5 | 13* | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.2 | 1007.8 | -- | 31.5 | 16.5 | 26 | 8.0 | 26 | 5.0 | 31 | 10 | 7 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 993.1 | 1013.8 | -- | 16.5 | 9.0 | 01 | 5.0 | 08 | 4.0 | 08 | 7 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 993.4 | 1014.5 | -- | 0.0 | 0.0 | 18* | 0.0 | 18* | 0.0 | 18* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 996.7 | 1018.0 | -- | 53.0 | 37.5 | 26 | 18.5 | 26 | 5.0 | 26 | 5 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | ||
| 上旬 | 996.5 | 1017.8 | -- | 12.0 | 7.0 | 07 | 5.5 | 08* | 1.5 | 08* | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 992.3 | 1013.8 | -- | 89.0 | 59.0 | 17 | 14.0 | 17 | 4.5 | 17 | 7 | 6 | 6 | 1 | 1 | 1 | 0 | 0 | ||
| 下旬 | 996.3 | 1018.2 | -- | 18.0 | 7.5 | 21 | 3.0 | 24 | 1.5 | 24 | 9 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 995.0 | 1016.9 | -- | 41.0 | 14.5 | 05 | 8.0 | 05 | 3.5 | 05 | 10 | 8 | 7 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 997.4 | 1019.6 | -- | 29.0 | 14.0 | 19 | 10.5 | 19* | 2.5 | 19* | 8 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 994.4 | 1017.0 | -- | 69.0 | 19.0 | 24 | 4.0 | 23 | 1.5 | 23 | 10 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 995.7 | 1018.5 | -- | 67.5 | 29.0 | 02 | 6.0 | 02 | 2.0 | 02 | 10 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 994.9 | 1017.7 | -- | 50.5 | 20.0 | 17 | 5.0 | 17 | 1.5 | 17 | 10 | 9 | 8 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.6 | 1015.4 | -- | 45.5 | 14.0 | 21 | 3.5 | 21 | 1.0 | 31* | 10 | 6 | 6 | 3 | 0 | 0 | 0 | 0 | ||