3か月ごとの値
倶知安(後志地方) 1991年(3か月ごとの値) 詳細(気圧・降水量)
月~月 | 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 | 24時間 | 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 | 月日時~月日時 | 値 | 日 | 値 | 日 | ||||||||||||
11~1 | 991.8 | 1014.1 | -- | 526.5 | 34.0 | 01/10 | 36.5 | 11/07 14~11/08 14 | 10.5 | 11/20 | 4.0 | 11/07 | 87 | 64 | 56 | 23 | 1 | 0 | 0 | 0 | |
12~2 | 990.0 | 1012.6 | -- | 480.0 | 34.0 | 01/10 | 36.0 | 01/10 12~01/11 12 | 10.0 | 12/01 | 2.5 | 12/01 | 89 | 73 | 61 | 18 | 1 | 0 | 0 | 0 | |
1~3 | 991.3 | 1013.9 | -- | 397.0 | 34.0 | 01/10 | 36.0 | 01/10 12~01/11 12 | 5.5 | 01/10* | 1.5 | 02/06* | 87 | 72 | 61 | 13 | 1 | 0 | 0 | 0 | |
2~4 | 992.3 | 1014.7 | -- | 271.0 | 21.5 | 04/29 | 28.5 | 04/29 11~04/30 11 | 4.5 | 02/06 | 1.5 | 02/06 | 73 | 58 | 50 | 7 | 0 | 0 | 0 | 0 | |
3~5 | 992.3 | 1014.3 | -- | 214.0 | 22.0 | 05/16 | 28.5 | 04/29 11~04/30 11 | 12.0 | 05/16 | 5.5 | 05/16 | 60 | 42 | 38 | 6 | 0 | 0 | 0 | 0 | |
4~6 | 989.7 | 1011.0 | -- | 156.0 | 22.0 | 05/16 | 28.5 | 04/29 11~04/30 11 | 12.0 | 05/16 | 5.5 | 05/16 | 49 | 26 | 25 | 4 | 0 | 0 | 0 | 0 | |
5~7 | 987.4 | 1008.3 | -- | 208.5 | 33.5 | 07/23 | 34.0 | 07/22 23~07/23 15 | 16.0 | 07/21 | 7.0 | 07/21 | 53 | 27 | 25 | 6 | 2 | 0 | 0 | 0 | |
6~8 | 987.1 | 1007.8 | -- | 245.0 | 36.0 | 08/21 | 41.5 | 08/12 19~08/13 13 | 17.5 | 08/13 | 7.0 | 07/21 | 55 | 30 | 24 | 6 | 3 | 0 | 0 | 0 | |
7~9 | 988.7 | 1009.8 | 974.7 | 09/28 | 325.0 | 50.5 | 09/28 | 50.5 | 09/28 03~09/28 24 | 17.5 | 08/13 | 7.0 | 07/21 | 58 | 35 | 30 | 9 | 4 | 1 | 0 | 0 |
8~10 | 990.4 | 1012.2 | 974.7 | 09/28 | 325.5 | 50.5 | 09/28 | 50.5 | 09/28 03~09/28 24 | 17.5 | 08/13 | 8.5 | 10/17 | 60 | 43 | 38 | 10 | 3 | 1 | 0 | 0 |
9~11 | 992.3 | 1015.0 | 974.7 | 09/28 | 401.0 | 50.5 | 09/28 | 50.5 | 09/28 03~09/28 24 | 13.0 | 10/17 | 8.5 | 10/17 | 69 | 53 | 51 | 15 | 3 | 1 | 0 | 0 |
10~12 | 993.4 | 1016.6 | 979.6 | 12/29 | 465.5 | 37.0 | 10/15 | 37.0 | 10/15 03~10/15 17 | 13.0 | 10/17 | 8.5 | 10/17 | 79 | 68 | 64 | 19 | 2 | 0 | 0 | 0 |