旬ごとの値
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留萌（留萌地方) 1968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 | -3.1 | 0.0 | 4.7 | 10 | -2.9 | 08 | -6.6 | -13.4 | 08 | -0.2 | 10 | 8 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | 4.1 | 82 | 56 | 10 | |
| 中旬 | -1.7 | 1.1 | 4.1 | 14 | -1.6 | 17 | -5.1 | -12.9 | 19 | -0.9 | 20 | 6 | 0 | 10 | 0 | 4 | 0 | 0 | 0 | 4.4 | 80 | 51 | 11 | |
| 下旬 | -6.8 | -2.5 | 1.5 | 21 | -6.2 | 30 | -10.7 | -16.7 | 27 | -3.3 | 21 | 11 | 0 | 11 | 0 | 8 | 0 | 0 | 0 | 3.0 | 77 | 45 | 25 | |
| 上旬 | -5.4 | -1.4 | 1.5 | 05* | -4.8 | 01 | -9.7 | -14.9 | 09 | -2.8 | 04 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | 3.4 | 80 | 46 | 08 | |
| 中旬 | -7.0 | -2.0 | 1.4 | 20 | -4.6 | 16 | -13.0 | -20.6 | 17 | -4.7 | 20 | 10 | 0 | 10 | 0 | 9 | 0 | 0 | 0 | 2.9 | 75 | 44 | 16 | |
| 下旬 | -6.3 | -0.9 | 1.4 | 23 | -4.1 | 25 | -12.7 | -18.7 | 25 | -7.8 | 23 | 9 | 0 | 9 | 0 | 5 | 0 | 0 | 0 | 3.1 | 79 | 49 | 25 | |
| 上旬 | -0.4 | 2.9 | 6.3 | 06 | -0.3 | 10 | -4.4 | -9.6 | 03 | -0.8 | 07 | 5 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 4.6 | 77 | 50 | 05 | |
| 中旬 | 1.7 | 5.2 | 9.9 | 20 | 0.4 | 17 | -1.4 | -4.6 | 13 | 3.6 | 20 | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 5.0 | 72 | 42 | 19 | |
| 下旬 | 2.7 | 6.0 | 7.9 | 28 | 4.6 | 24* | -0.5 | -4.1 | 26 | 3.6 | 31 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6.0 | 80 | 36 | 28 | |
| 上旬 | 4.1 | 8.1 | 12.1 | 01 | 5.4 | 06 | 0.1 | -3.8 | 08 | 2.1 | 10 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.7 | 70 | 29 | 08 | |
| 中旬 | 5.7 | 10.8 | 14.1 | 20 | 7.7 | 11 | 0.1 | -2.5 | 12 | 1.9 | 16* | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 6.4 | 71 | 17 | 20 | |
| 下旬 | 8.4 | 13.0 | 14.7 | 27 | 11.3 | 24 | 3.3 | -1.2 | 21 | 7.5 | 30* | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.3 | 75 | 31 | 27 | |
| 上旬 | 11.1 | 15.8 | 21.8 | 04 | 11.1 | 09 | 6.4 | 2.0 | 10 | 12.6 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 70 | 26 | 02 | |
| 中旬 | 11.6 | 15.8 | 22.6 | 12 | 10.5 | 17 | 7.1 | 1.8 | 11 | 12.9 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 67 | 31 | 11 | |
| 下旬 | 10.8 | 13.4 | 17.2 | 27 | 11.2 | 21 | 8.7 | 6.8 | 25 | 9.9 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.3 | 87 | 50 | 27 | |
| 上旬 | 13.9 | 18.0 | 26.4 | 10 | 12.6 | 01 | 9.7 | 7.1 | 07 | 13.9 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 12.7 | 81 | 43 | 09 | |
| 中旬 | 15.4 | 19.1 | 23.1 | 15 | 16.2 | 17 | 10.7 | 7.1 | 19 | 13.7 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.2 | 75 | 45 | 15 | |
| 下旬 | 16.8 | 21.2 | 26.8 | 27 | 18.2 | 29* | 12.6 | 9.7 | 30 | 15.4 | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14.7 | 77 | 36 | 25 | |
| 上旬 | 15.4 | 19.4 | 21.9 | 09 | 16.4 | 04 | 10.3 | 5.0 | 04 | 15.4 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.4 | 77 | 52 | 01 | |
| 中旬 | 19.1 | 22.8 | 26.6 | 17 | 20.1 | 15 | 15.7 | 10.3 | 15 | 19.5 | 18 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 18.6 | 84 | 45 | 17 | |
| 下旬 | 22.1 | 25.7 | 29.1 | 31* | 19.6 | 25 | 19.3 | 15.7 | 26 | 20.9 | 28* | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 22.7 | 86 | 53 | 31 | |
| 上旬 | 22.5 | 25.9 | 29.5 | 08 | 22.1 | 10 | 19.2 | 16.6 | 10 | 21.1 | 08 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 22.7 | 83 | 53 | 07 | |
| 中旬 | 19.8 | 24.2 | 26.9 | 18 | 21.5 | 11 | 15.8 | 13.7 | 20 | 17.7 | 18 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 18.3 | 79 | 52 | 20* | |
| 下旬 | 18.2 | 21.4 | 27.3 | 31 | 15.8 | 21 | 15.1 | 12.1 | 23 | 16.9 | 30 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17.3 | 83 | 51 | 31 | |
| 上旬 | 16.4 | 20.3 | 23.6 | 05 | 14.7 | 10 | 12.9 | 7.5 | 09 | 15.9 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.9 | 80 | 44 | 05 | |
| 中旬 | 17.7 | 22.2 | 25.8 | 15 | 19.0 | 11 | 13.0 | 9.0 | 12 | 16.6 | 18* | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 15.7 | 78 | 43 | 14 | |
| 下旬 | 15.7 | 19.6 | 22.7 | 27 | 16.2 | 30 | 11.6 | 6.4 | 25 | 15.2 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.2 | 73 | 43 | 21 | |
| 上旬 | 12.0 | 16.1 | 21.6 | 03 | 10.0 | 07 | 7.1 | 1.1 | 08 | 12.8 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.5 | 72 | 46 | 07* | |
| 中旬 | 7.3 | 11.5 | 14.6 | 18 | 7.1 | 11 | 3.4 | -0.4 | 16 | 7.5 | 13 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7.0 | 69 | 41 | 12* | |
| 下旬 | 6.6 | 11.7 | 14.6 | 23 | 7.9 | 26 | 2.3 | 0.9 | 30* | 6.6 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 77 | 48 | 21 | |
| 上旬 | 9.4 | 14.2 | 16.0 | 07 | 11.8 | 10 | 5.0 | 1.8 | 02 | 10.9 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.2 | 79 | 47 | 04 | |
| 中旬 | 4.3 | 7.5 | 11.0 | 13 | 3.8 | 17 | 1.3 | -2.4 | 19 | 5.2 | 11 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 6.6 | 79 | 47 | 13 | |
| 下旬 | 3.4 | 6.4 | 10.2 | 24* | -1.7 | 28 | -0.7 | -5.2 | 28 | 3.2 | 23 | 2 | 0 | 6 | 0 | 1 | 0 | 0 | 0 | 6.1 | 76 | 46 | 22 | |
| 上旬 | 4.9 | 9.9 | 14.0 | 10 | 4.4 | 04 | 0.6 | -2.9 | 03 | 6.7 | 10 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 6.5 | 73 | 41 | 02 | |
| 中旬 | 0.0 | 2.9 | 7.4 | 11 | -1.7 | 14 | -3.1 | -7.1 | 14 | -0.8 | 11 | 4 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | 4.9 | 79 | 50 | 13 | |
| 下旬 | -3.4 | -0.8 | 6.0 | 21 | -5.8 | 29 | -6.2 | -9.8 | 27 | -1.7 | 25 | 10 | 0 | 11 | 0 | 7 | 0 | 0 | 0 | 3.9 | 79 | 50 | 22 | |