３か月ごとの値
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羽幌（留萌地方) 1987年（３か月ごとの値） 詳細（気温・蒸気圧・湿度）
| 月～月 | 気温(℃) | 蒸気圧 (hPa) | 湿度(％) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 日平均 | 最高気温 | 最低気温 | 各階級の日数（平均） | 各階級の日数（最低） | 各階級の日数（最高） | ||||||||||||||||||
| 平均 | 平均 | 最高 | 最低 | 平均 | 最低 | 最高 | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ≧30℃ | ≧35℃ | 平均 | 平均 | 最小 | ||||||
| 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | ||||||||||||||
11～1 | -1.7 | 1.1 | 13.2 | 11/03 | -8.2 | 01/20 | -5.3 | -20.2 | 01/21 | 5.7 | 11/13 | 54 | 0 | 78 | 0 | 37 | 0 | 0 | 0 | 4.1 | 73 | 40 | 11/05 |
12～2 | -4.5 | -1.3 | 5.7 | 01/17 | -8.2 | 01/20 | -8.6 | -20.2 | 01/21 | 1.0 | 12/11 | 77 | 0 | 89 | 0 | 53 | 0 | 0 | 0 | 3.4 | 75 | 42 | 12/12 |
1～3 | -4.2 | -1.0 | 6.2 | 03/29 | -8.2 | 01/20 | -8.1 | -20.2 | 01/21 | 0.3 | 03/29* | 75 | 0 | 88 | 0 | 47 | 0 | 0 | 0 | 3.6 | 76 | 40 | 03/31* |
2～4 | -0.4 | 2.8 | 20.7 | 04/30 | -8.0 | 02/15 | -4.1 | -19.4 | 02/03 | 8.3 | 04/21 | 46 | 0 | 68 | 0 | 24 | 0 | 0 | 0 | 4.6 | 74 | 19 | 04/30 |
3～5 | 4.7 | 8.4 | 22.4 | 05/10 | -2.2 | 03/06 | 0.9 | -8.4 | 03/12 | 10.2 | 05/30 | 19 | 0 | 40 | 0 | 7 | 0 | 0 | 0 | 6.4 | 72 | 19 | 04/30 |
4～6 | 10.1 | 14.3 | 29.7 | 06/26 | 2.4 | 04/01 | 5.8 | -3.7 | 04/03 | 15.0 | 06/24* | 0 | 0 | 11 | 0 | 0 | 3 | 0 | 0 | 9.3 | 73 | 19 | 04/30 |
5～7 | 14.7 | 18.8 | 29.8 | 07/17 | 8.0 | 05/04 | 10.9 | 0.1 | 05/15 | 19.3 | 07/24 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 13.7 | 78 | 24 | 05/16 |
6～8 | 17.9 | 21.3 | 29.8 | 07/17 | 14.4 | 06/16 | 14.7 | 3.6 | 06/14 | 20.4 | 08/31* | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 17.4 | 84 | 25 | 06/27 |
7～9 | 18.5 | 22.0 | 30.2 | 09/06 | 16.3 | 09/29 | 15.1 | 3.5 | 09/30 | 22.1 | 09/07 | 0 | 1 | 0 | 0 | 0 | 10 | 1 | 0 | 18.0 | 83 | 35 | 09/25 |
8～10 | 16.0 | 19.6 | 30.2 | 09/06 | 6.6 | 10/31 | 12.1 | 1.0 | 10/13 | 22.1 | 09/07 | 0 | 1 | 0 | 0 | 0 | 7 | 1 | 0 | 14.8 | 76 | 35 | 09/25 |
9～11 | 10.4 | 14.1 | 30.2 | 09/06 | -5.4 | 11/28 | 6.4 | -8.3 | 11/28 | 22.1 | 09/07 | 7 | 1 | 14 | 0 | 5 | 5 | 1 | 0 | 10.1 | 72 | 35 | 09/25 |
10～12 | 4.0 | 7.1 | 23.2 | 10/06 | -5.4 | 12/31* | 0.6 | -11.5 | 12/31 | 14.4 | 10/05 | 30 | 0 | 44 | 0 | 20 | 0 | 0 | 0 | 6.5 | 72 | 38 | 10/09 |