3か月ごとの値
倶知安(後志地方) 1978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 | 993.2 | 1015.8 | -- | 549.5 | 27.5 | 11/22 | 30.0 | 11/21 17~11/22 15 | 8.5 | 11/19 | 2.0 | 11/19 | 83 | 71 | 66 | 21 | 0 | 0 | 0 | 0 | |
12~2 | 990.8 | 1013.7 | -- | 523.5 | 23.5 | 01/28 | 24.0 | 12/16 18~12/17 16 | 4.5 | 12/17 | 1.0 | 02/20* | 87 | 74 | 68 | 19 | 0 | 0 | 0 | 0 | |
1~3 | 989.1 | 1012.0 | -- | 451.5 | 32.0 | 03/01 | 24.0 | 02/28 23~03/01 22 | 3.5 | 03/01* | 1.0 | 02/20* | 83 | 66 | 58 | 14 | 1 | 0 | 0 | 0 | |
2~4 | 989.2 | 1011.8 | -- | 302.0 | 32.0 | 03/01 | 24.0 | 02/28 23~03/01 22 | 5.0 | 04/20 | 1.0 | 04/20* | 73 | 52 | 44 | 8 | 1 | 0 | 0 | 0 | |
3~5 | 989.0 | 1011.0 | -- | 266.0 | 37.5 | 05/09 | 37.5 | 05/09 10~05/09 20 | 10.0 | 05/27 | 3.0 | 05/27 | 59 | 38 | 32 | 8 | 2 | 0 | 0 | 0 | |
4~6 | 988.5 | 1009.9 | -- | 275.5 | 37.5 | 05/09 | 37.5 | 05/09 10~05/09 20 | 10.0 | 05/27 | 4.0 | 06/12 | 54 | 35 | 30 | 10 | 2 | 0 | 0 | 0 | |
5~7 | 988.9 | 1009.8 | -- | 306.0 | 37.5 | 05/09 | 41.0 | 07/17 12~07/18 12 | 14.5 | 07/18 | 5.0 | 07/18 | 45 | 30 | 26 | 12 | 3 | 0 | 0 | 0 | |
6~8 | 988.3 | 1009.0 | -- | 292.5 | 36.0 | 07/18 | 41.0 | 07/17 12~07/18 12 | 14.5 | 07/18 | 5.0 | 07/18 | 49 | 32 | 27 | 13 | 2 | 0 | 0 | 0 | |
7~9 | 990.0 | 1010.7 | -- | 265.0 | 36.0 | 07/18 | 41.0 | 07/17 12~07/18 12 | 15.0 | 09/06 | 8.5 | 09/06 | 44 | 29 | 27 | 12 | 1 | 0 | 0 | 0 | |
8~10 | 992.4 | 1013.5 | -- | 340.5 | 40.5 | 10/29 | 44.0 | 10/29 10~10/30 10 | 15.0 | 09/06 | 8.5 | 09/06 | 57 | 40 | 36 | 13 | 1 | 0 | 0 | 0 | |
9~11 | 995.0 | 1016.7 | -- | 335.0 | 40.5 | 10/29 | 44.0 | 10/29 10~10/30 10 | 15.0 | 09/06 | 8.5 | 09/06 | 57 | 42 | 35 | 13 | 1 | 0 | 0 | 0 | |
10~12 | 995.7 | 1017.9 | -- | 425.5 | 40.5 | 10/29 | 44.0 | 10/29 10~10/30 10 | 8.0 | 10/10 | 3.0 | 10/24 | 69 | 55 | 46 | 15 | 1 | 0 | 0 | 0 |