旬ごとの値
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羽幌（留萌地方) 1991年（旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 旬 | 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 | |||||||||||||||
| 上旬 | -2.1 | 0.6 | 2.2 | 07 | -2.5 | 06 | -6.2 | -11.0 | 06 | -0.3 | 10 | 8 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | 4.3 | 81 | 50 | 05 | |
| 中旬 | -0.6 | 2.4 | 3.7 | 14 | 0.8 | 16 | -4.7 | -11.1 | 19 | 1.7 | 20 | 6 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 4.5 | 77 | 51 | 20* | |
| 下旬 | -3.6 | -0.5 | 3.5 | 25 | -3.6 | 22 | -7.7 | -16.0 | 23 | -1.7 | 26 | 10 | 0 | 11 | 0 | 7 | 0 | 0 | 0 | 3.6 | 76 | 45 | 21 | |
| 上旬 | -4.5 | -0.2 | 1.5 | 10 | -1.8 | 06 | -9.8 | -14.5 | 08 | -4.7 | 10 | 10 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | 3.6 | 81 | 47 | 07 | |
| 中旬 | -5.8 | -1.7 | 3.3 | 15 | -6.4 | 19 | -10.8 | -20.6 | 19 | -4.7 | 11 | 10 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | 2.8 | 68 | 18 | 20 | |
| 下旬 | -3.1 | 0.3 | 4.4 | 27 | -1.6 | 21 | -7.8 | -14.6 | 23 | 1.0 | 27 | 6 | 0 | 7 | 0 | 5 | 0 | 0 | 0 | 3.7 | 76 | 44 | 26* | |
| 上旬 | -1.8 | 0.8 | 4.9 | 04 | -2.2 | 09 | -5.6 | -12.4 | 09 | 1.4 | 05 | 7 | 0 | 8 | 0 | 5 | 0 | 0 | 0 | 3.7 | 69 | 41 | 10 | |
| 中旬 | -1.9 | 1.5 | 5.1 | 20* | -3.4 | 13 | -6.3 | -17.2 | 15 | 1.1 | 19 | 6 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | 4.0 | 72 | 33 | 11 | |
| 下旬 | 1.4 | 4.7 | 8.0 | 23 | 0.6 | 21 | -3.0 | -6.8 | 27 | -0.1 | 30 | 3 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 4.3 | 64 | 31 | 27 | |
| 上旬 | 4.7 | 7.8 | 11.8 | 08 | 3.8 | 01 | 1.6 | -5.1 | 01 | 4.6 | 04 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.7 | 78 | 45 | 01 | |
| 中旬 | 6.8 | 10.4 | 15.4 | 17 | 5.8 | 20 | 2.8 | -0.5 | 20* | 6.5 | 15 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.9 | 70 | 24 | 17 | |
| 下旬 | 7.7 | 11.8 | 18.2 | 26 | 7.5 | 22 | 3.3 | 0.6 | 21 | 7.6 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 74 | 22 | 28 | |
| 上旬 | 8.6 | 12.8 | 19.3 | 10 | 6.6 | 03 | 4.2 | -0.6 | 03 | 8.7 | 09 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 7.7 | 69 | 20 | 07 | |
| 中旬 | 12.2 | 16.2 | 21.3 | 16 | 11.3 | 14 | 8.2 | 6.5 | 12 | 9.4 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.2 | 73 | 23 | 12 | |
| 下旬 | 13.1 | 17.8 | 26.0 | 24 | 12.6 | 27 | 7.4 | 2.9 | 28 | 10.1 | 25 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 9.7 | 66 | 20 | 24 | |
| 上旬 | 16.0 | 20.5 | 26.5 | 01 | 15.3 | 06 | 12.1 | 10.4 | 06 | 15.9 | 10 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 13.9 | 78 | 29 | 01 | |
| 中旬 | 15.6 | 18.3 | 21.7 | 20 | 14.2 | 15 | 12.9 | 9.8 | 20 | 15.4 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.4 | 87 | 38 | 20 | |
| 下旬 | 18.5 | 22.2 | 23.5 | 30 | 20.8 | 29 | 14.5 | 12.0 | 30 | 17.6 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.6 | 78 | 30 | 30 | |
| 上旬 | 18.5 | 22.9 | 25.7 | 08 | 20.2 | 02 | 14.0 | 9.2 | 01 | 18.4 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16.4 | 77 | 48 | 01 | |
| 中旬 | 19.4 | 23.2 | 27.2 | 16 | 19.4 | 13 | 15.7 | 12.1 | 19 | 18.2 | 17 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 17.4 | 78 | 36 | 18 | |
| 下旬 | 20.5 | 24.1 | 28.9 | 31 | 19.9 | 27 | 17.5 | 15.4 | 30 | 20.8 | 24 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 20.2 | 84 | 53 | 30 | |
| 上旬 | 20.6 | 24.9 | 27.3 | 09 | 23.3 | 07* | 16.3 | 13.9 | 05 | 19.9 | 01 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 18.6 | 77 | 49 | 04 | |
| 中旬 | 20.8 | 24.5 | 26.1 | 19 | 22.3 | 12 | 17.3 | 14.8 | 16 | 18.6 | 20 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 19.8 | 81 | 53 | 19 | |
| 下旬 | 19.8 | 23.7 | 27.8 | 25 | 21.3 | 27 | 15.0 | 10.8 | 28 | 20.9 | 21 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17.8 | 77 | 36 | 25 | |
| 上旬 | 19.6 | 23.1 | 26.3 | 03 | 20.5 | 10 | 15.9 | 11.4 | 10 | 19.7 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 18.4 | 81 | 56 | 08* | |
| 中旬 | 16.5 | 21.3 | 23.7 | 19 | 17.8 | 20 | 11.3 | 8.2 | 16 | 15.1 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.2 | 71 | 41 | 16 | |
| 下旬 | 15.0 | 18.6 | 22.5 | 22 | 16.5 | 21 | 10.6 | 7.4 | 26 | 12.8 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.8 | 76 | 40 | 25 | |
| 上旬 | 14.4 | 19.1 | 22.0 | 02 | 16.1 | 05 | 9.9 | 7.3 | 09 | 12.5 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.8 | 72 | 37 | 09 | |
| 中旬 | 12.3 | 15.7 | 20.5 | 17 | 10.3 | 15 | 8.8 | 5.4 | 14 | 12.1 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.8 | 75 | 44 | 20 | |
| 下旬 | 9.5 | 12.9 | 20.3 | 27 | 9.1 | 31 | 6.0 | 3.3 | 24 | 7.9 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 68 | 38 | 28 | |
| 上旬 | 6.1 | 9.9 | 15.5 | 03 | 2.0 | 05 | 1.5 | -3.3 | 05 | 8.2 | 03 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 6.7 | 69 | 41 | 02 | |
| 中旬 | 2.8 | 4.9 | 7.7 | 18 | 1.6 | 15 | 0.5 | -1.5 | 15 | 2.6 | 18 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 5.4 | 72 | 41 | 13 | |
| 下旬 | 4.4 | 7.7 | 10.3 | 22 | 1.4 | 24 | 0.9 | -5.3 | 25* | 7.2 | 27 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.8 | 67 | 42 | 24 | |
| 上旬 | 0.5 | 3.5 | 9.5 | 06 | -3.1 | 09 | -2.4 | -7.4 | 07 | 4.0 | 06 | 4 | 0 | 7 | 0 | 3 | 0 | 0 | 0 | 4.5 | 67 | 35 | 08 | |
| 中旬 | -2.1 | 0.4 | 7.1 | 17 | -5.4 | 12 | -5.0 | -13.3 | 12 | 0.5 | 16 | 7 | 0 | 9 | 0 | 5 | 0 | 0 | 0 | 4.0 | 72 | 44 | 12* | |
| 下旬 | -3.2 | -0.3 | 4.1 | 24 | -4.2 | 30 | -6.7 | -13.6 | 26 | -1.7 | 21 | 10 | 0 | 11 | 0 | 6 | 0 | 0 | 0 | 3.7 | 76 | 49 | 30* | |