３か月ごとの値
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室蘭（胆振地方) 2021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 | 1009.1 | 1015.4 | 990.9 | 01/29 | 144.5 | 14.5 | 11/19 | 19.0 | 01/29 04～01/30 04 | 6.5 | 11/02 | 4.5 | 11/02 | 83 | 46 | 39 | 3 | 0 | 0 | 0 | 0 |
12～2 | 1006.9 | 1013.2 | 971.3 | 02/16 | 132.0 | 24.0 | 02/15 | 28.5 | 02/15 14～02/16 13 | 5.5 | 01/29 | 1.5 | 01/29* | 81 | 48 | 39 | 2 | 0 | 0 | 0 | 0 |
1～3 | 1007.7 | 1014.0 | 971.3 | 02/16 | 203.5 | 32.5 | 03/21* | 42.0 | 03/01 16～03/02 16 | 5.5 | 01/29 | 1.5 | 03/29* | 76 | 43 | 36 | 5 | 2 | 0 | 0 | 0 |
2～4 | 1008.4 | 1014.6 | 971.3 | 02/16 | 255.5 | 50.0 | 04/18 | 52.5 | 04/17 21～04/18 21 | 6.5 | 04/18 | 1.5 | 04/18* | 63 | 39 | 31 | 8 | 3 | 1 | 0 | 0 |
3～5 | 1007.7 | 1013.9 | 987.3 | 04/18 | 313.5 | 50.0 | 04/18 | 52.5 | 04/17 21～04/18 21 | 13.0 | 05/29 | 3.5 | 05/29 | 65 | 39 | 33 | 11 | 3 | 1 | 0 | 0 |
4～6 | 1005.9 | 1011.9 | 987.3 | 04/18 | 358.0 | 79.0 | 06/19 | 91.0 | 06/19 19～06/20 04 | 26.5 | 06/19 | 6.0 | 06/19 | 58 | 36 | 29 | 12 | 2 | 2 | 1 | 0 |
5～7 | 1004.6 | 1010.5 | 992.3 | 06/04 | 363.0 | 79.0 | 06/19 | 91.0 | 06/19 19～06/20 04 | 26.5 | 06/19 | 6.0 | 06/19 | 69 | 41 | 34 | 11 | 2 | 1 | 1 | 0 |
6～8 | 1005.6 | 1011.5 | 992.3 | 06/04 | 579.0 | 141.5 | 08/10 | 170.0 | 08/09 16～08/10 16 | 38.0 | 08/10 | 7.5 | 08/10 | 71 | 39 | 33 | 12 | 6 | 3 | 2 | 1 |
7～9 | 1007.4 | 1013.2 | 996.8 | 08/10 | 538.5 | 141.5 | 08/10 | 170.0 | 08/09 16～08/10 16 | 38.0 | 08/10 | 7.5 | 08/10 | 70 | 40 | 34 | 11 | 6 | 2 | 1 | 1 |
8～10 | 1009.3 | 1015.1 | 996.8 | 08/10 | 528.0 | 141.5 | 08/10 | 170.0 | 08/09 16～08/10 16 | 38.0 | 08/10 | 7.5 | 08/10 | 67 | 40 | 32 | 11 | 5 | 2 | 1 | 1 |
9～11 | 1010.1 | 1016.1 | 993.8 | 11/10 | 344.0 | 55.5 | 11/02 | 58.0 | 11/09 08～11/10 07 | 18.5 | 11/09 | 9.5 | 11/09 | 67 | 40 | 27 | 9 | 3 | 2 | 0 | 0 |
10～12 | 1009.0 | 1015.1 | 988.5 | 12/01 | 314.0 | 55.5 | 11/02 | 58.0 | 11/09 08～11/10 07 | 18.5 | 11/09 | 9.5 | 11/09 | 77 | 51 | 37 | 7 | 2 | 2 | 0 | 0 |