旬ごとの値
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倶知安（後志地方) 1981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 | 983.2 | 1005.7 | -- | 79.5 | 26.5 | 07 | 4.5 | 07 | 1.0 | 07 | 9 | 9 | 8 | 3 | 0 | 0 | 0 | 0 | ||
| 中旬 | 987.4 | 1010.4 | -- | 67.0 | 38.5 | 12 | 5.5 | 12 | 1.0 | 12 | 10 | 9 | 7 | 1 | 1 | 0 | 0 | 0 | ||
| 下旬 | 991.8 | 1014.7 | -- | 111.0 | 18.5 | 21 | 3.5 | 21 | 0.5 | 30* | 11 | 11 | 11 | 5 | 0 | 0 | 0 | 0 | ||
| 上旬 | 988.2 | 1010.7 | -- | 41.5 | 14.5 | 08 | 3.0 | 10 | 0.5 | 10* | 10 | 8 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.2 | 1012.8 | -- | 55.5 | 14.5 | 11 | 2.5 | 20* | 1.0 | 12 | 10 | 8 | 8 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 990.5 | 1013.5 | -- | 41.5 | 13.5 | 21 | 2.5 | 22* | 0.5 | 28* | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 993.7 | 1016.4 | -- | 66.0 | 19.5 | 08 | 3.5 | 07 | 1.0 | 07* | 10 | 10 | 8 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 989.9 | 1012.3 | 977.1 | 15 | 46.5 | 12.5 | 17 | 2.5 | 17* | 1.0 | 17 | 7 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 993.0 | 1015.4 | -- | 12.0 | 4.0 | 27 | 1.0 | 27 | 0.0 | 31* | 9 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 991.0 | 1013.1 | -- | 13.5 | 9.0 | 10 | 3.0 | 10 | 0.5 | 10 | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 988.9 | 1010.9 | -- | 67.0 | 25.5 | 20 | 4.5 | 20 | 1.0 | 20 | 7 | 7 | 5 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.4 | 1008.9 | -- | 14.5 | 9.0 | 30 | 2.5 | 30 | 0.5 | 30* | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 992.4 | 1013.9 | -- | 4.5 | 2.5 | 09 | 1.5 | 09 | 0.5 | 09* | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 988.9 | 1010.5 | -- | 15.0 | 5.0 | 18 | 2.0 | 18* | 1.0 | 12 | 8 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 985.3 | 1006.7 | -- | 64.5 | 22.0 | 25 | 3.5 | 25 | 1.0 | 29* | 7 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 993.2 | 1014.6 | -- | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 989.6 | 1010.7 | -- | 10.5 | 5.0 | 12 | 2.0 | 12 | 0.5 | 17* | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 986.5 | 1007.4 | -- | 110.5 | 82.0 | 28 | 36.0 | 28 | 9.5 | 28 | 6 | 4 | 4 | 2 | 1 | 1 | 1 | 0 | ||
| 上旬 | 988.4 | 1009.2 | -- | 74.5 | 27.0 | 10 | 9.5 | 10 | 4.0 | 10 | 7 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | ||
| 中旬 | 989.5 | 1010.0 | -- | 13.0 | 10.0 | 17 | 5.5 | 17 | 1.5 | 17 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 989.6 | 1010.2 | -- | 0.0 | 0.0 | 28* | 0.0 | 28* | 0.0 | 28* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 983.2 | 1003.7 | -- | 157.5 | 73.5 | 04 | 16.5 | 04 | 4.5 | 04 | 7 | 7 | 7 | 3 | 2 | 2 | 1 | 0 | ||
| 中旬 | 987.6 | 1008.3 | -- | 54.0 | 38.5 | 12 | 16.5 | 12 | 6.0 | 12 | 4 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | ||
| 下旬 | 984.3 | 1005.0 | 968.1 | 23 | 197.0 | 134.5 | 23 | 22.5 | 23 | 6.0 | 22 | 7 | 6 | 6 | 3 | 1 | 1 | 1 | 1 | |
| 上旬 | 988.2 | 1009.3 | -- | 107.5 | 69.5 | 04 | 9.5 | 04 | 4.0 | 09 | 6 | 5 | 5 | 2 | 1 | 1 | 0 | 0 | ||
| 中旬 | 995.3 | 1016.6 | -- | 36.0 | 17.0 | 14* | 10.5 | 13 | 7.5 | 13 | 4 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.9 | 1014.1 | -- | 53.0 | 48.0 | 28 | 8.0 | 28 | 2.0 | 28 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | ||
| 上旬 | 985.9 | 1007.1 | -- | 52.0 | 24.5 | 05 | 5.5 | 05 | 1.0 | 09* | 7 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 995.2 | 1016.9 | -- | 48.5 | 21.0 | 19 | 6.5 | 19 | 1.5 | 19* | 8 | 7 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.7 | 1014.5 | -- | 78.5 | 33.5 | 23 | 10.5 | 23 | 2.0 | 23 | 7 | 7 | 6 | 3 | 1 | 0 | 0 | 0 | ||
| 上旬 | 995.3 | 1017.6 | -- | 51.5 | 20.0 | 08 | 4.5 | 08 | 1.5 | 03 | 10 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 991.3 | 1013.5 | -- | 48.5 | 16.0 | 11 | 2.0 | 11 | 0.5 | 17* | 10 | 8 | 8 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 995.2 | 1017.9 | -- | 92.0 | 18.0 | 28 | 4.0 | 23 | 1.0 | 27* | 10 | 10 | 9 | 5 | 0 | 0 | 0 | 0 | ||
| 上旬 | 994.5 | 1017.1 | -- | 27.5 | 12.0 | 09 | 3.0 | 09 | 0.5 | 09* | 10 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.1 | 1012.4 | -- | 66.0 | 24.0 | 13 | 5.0 | 13 | 2.5 | 15 | 10 | 8 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 992.9 | 1015.5 | -- | 45.5 | 12.5 | 24 | 4.0 | 23 | 1.0 | 23 | 11 | 9 | 8 | 3 | 0 | 0 | 0 | 0 | ||