3か月ごとの値
倶知安(後志地方) 1987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 | 992.9 | 1015.5 | -- | 556.0 | 24.5 | 01/09 | 26.0 | 01/19 03~01/20 03 | 9.0 | 11/04 | 4.0 | 11/04 | 90 | 79 | 70 | 22 | 0 | 0 | 0 | 0 | |
12~2 | 991.4 | 1014.2 | -- | 487.5 | 24.5 | 01/09 | 26.0 | 01/19 03~01/20 03 | 4.5 | 12/11 | 2.0 | 01/09 | 87 | 74 | 63 | 20 | 0 | 0 | 0 | 0 | |
1~3 | 990.2 | 1012.9 | -- | 471.0 | 24.5 | 01/09 | 26.0 | 01/19 03~01/20 03 | 4.0 | 01/09 | 2.0 | 01/09 | 86 | 70 | 64 | 17 | 0 | 0 | 0 | 0 | |
2~4 | 990.6 | 1013.0 | -- | 349.0 | 29.0 | 04/12 | 33.0 | 04/12 10~04/13 10 | 5.0 | 04/14* | 2.0 | 04/14* | 75 | 60 | 51 | 12 | 0 | 0 | 0 | 0 | |
3~5 | 990.7 | 1012.7 | -- | 300.0 | 29.0 | 04/12 | 33.0 | 04/12 10~04/13 10 | 8.0 | 05/26 | 5.0 | 05/13 | 69 | 50 | 41 | 9 | 0 | 0 | 0 | 0 | |
4~6 | 990.4 | 1011.9 | -- | 244.0 | 29.0 | 04/12 | 33.0 | 04/12 10~04/13 10 | 13.5 | 06/07 | 5.0 | 05/13 | 55 | 34 | 27 | 10 | 0 | 0 | 0 | 0 | |
5~7 | 988.4 | 1009.4 | -- | 250.5 | 28.5 | 07/30 | 28.5 | 07/30 09~07/30 12 | 26.0 | 07/30 | 8.0 | 07/30 | 61 | 33 | 26 | 11 | 0 | 0 | 0 | 0 | |
6~8 | 987.9 | 1008.7 | -- | 216.5 | 28.5 | 07/30 | 28.5 | 07/30 09~07/30 12 | 26.0 | 07/30 | 8.0 | 07/30 | 68 | 34 | 29 | 8 | 0 | 0 | 0 | 0 | |
7~9 | 989.8 | 1010.6 | -- | 250.0 | 37.5 | 09/26 | 42.5 | 09/25 19~09/26 19 | 26.0 | 07/30 | 8.0 | 07/30 | 69 | 39 | 30 | 7 | 1 | 0 | 0 | 0 | |
8~10 | 992.9 | 1014.0 | -- | 243.0 | 59.0 | 10/17 | 61.5 | 10/17 09~10/18 09 | 18.5 | 09/26 | 5.0 | 09/26* | 65 | 37 | 30 | 3 | 2 | 1 | 0 | 0 | |
9~11 | 995.0 | 1016.6 | -- | 327.5 | 59.0 | 10/17 | 61.5 | 10/17 09~10/18 09 | 18.5 | 09/26 | 5.0 | 09/26 | 65 | 46 | 39 | 6 | 2 | 1 | 0 | 0 | |
10~12 | 995.0 | 1017.2 | -- | 421.5 | 59.0 | 10/17 | 61.5 | 10/17 09~10/18 09 | 14.0 | 10/17 | 4.5 | 10/17 | 80 | 61 | 56 | 11 | 1 | 1 | 0 | 0 |