３か月ごとの値
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札幌（石狩地方) 1970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 | 1012.2 | 1014.5 | 966.2 | 01/31 | 240.5 | 59.5 | 01/31 | 62.5 | 01/30 22～01/31 22 | 6.0 | 11/25 | 1.5 | 12/08* | 84 | 52 | 37 | 6 | 1 | 1 | 0 | 0 |
12～2 | 1010.3 | 1012.6 | 966.2 | 02/01* | 265.0 | 59.5 | 01/31 | 62.5 | 01/30 22～01/31 22 | 5.5 | 02/20 | 1.5 | 02/20* | 86 | 59 | 43 | 5 | 1 | 1 | 0 | 0 |
1～3 | 1009.5 | 1011.8 | 966.2 | 02/01* | 346.5 | 63.5 | 03/16 | 67.5 | 03/16 05～03/16 23 | 8.0 | 03/16 | 2.0 | 03/16 | 85 | 60 | 47 | 7 | 2 | 2 | 0 | 0 |
2～4 | 1010.7 | 1013.0 | 966.2 | 02/01 | 286.0 | 63.5 | 03/16 | 67.5 | 03/16 05～03/16 23 | 8.0 | 03/16 | 2.0 | 03/16 | 71 | 51 | 44 | 6 | 1 | 1 | 0 | 0 |
3～5 | 1010.8 | 1013.1 | 970.1 | 03/17 | 234.5 | 63.5 | 03/16 | 67.5 | 03/16 05～03/16 23 | 8.0 | 03/16 | 2.0 | 03/16 | 59 | 40 | 35 | 4 | 1 | 1 | 0 | 0 |
4～6 | 1010.9 | 1013.1 | -- | 179.0 | 26.5 | 06/19 | 36.5 | 06/19 15～06/20 09 | 7.5 | 06/01 | 1.5 | 06/27* | 44 | 29 | 25 | 5 | 0 | 0 | 0 | 0 | |
5～7 | 1008.0 | 1010.1 | -- | 199.5 | 39.5 | 07/12 | 41.0 | 07/11 23～07/12 23 | 9.5 | 07/12 | 2.5 | 07/29 | 48 | 27 | 23 | 6 | 1 | 0 | 0 | 0 | |
6～8 | 1008.0 | 1010.2 | -- | 260.5 | 39.5 | 07/12 | 42.5 | 08/15 19～08/16 07 | 18.0 | 08/16 | 6.0 | 08/16 | 50 | 29 | 23 | 10 | 1 | 0 | 0 | 0 | |
7～9 | 1008.5 | 1010.7 | -- | 361.5 | 63.0 | 09/18 | 72.0 | 09/17 18～09/18 08 | 21.5 | 09/10 | 6.0 | 08/16 | 52 | 30 | 24 | 11 | 3 | 1 | 0 | 0 | |
8～10 | 1011.3 | 1013.5 | -- | 379.0 | 63.0 | 09/18 | 72.0 | 09/17 18～09/18 08 | 21.5 | 09/10 | 6.0 | 08/16 | 53 | 37 | 33 | 11 | 2 | 1 | 0 | 0 | |
9～11 | 1012.4 | 1014.6 | -- | 367.0 | 63.0 | 09/18 | 72.0 | 09/17 18～09/18 08 | 21.5 | 09/10 | 5.5 | 09/10 | 62 | 42 | 39 | 10 | 2 | 1 | 0 | 0 | |
10～12 | 1012.2 | 1014.5 | -- | 232.0 | 22.0 | 11/07 | 28.5 | 10/25 17～10/26 13 | 9.0 | 10/26 | 3.0 | 10/26 | 74 | 41 | 39 | 7 | 0 | 0 | 0 | 0 | |