旬ごとの値
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初山別（留萌地方) 1989年（旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 旬 | 気温 | 蒸気圧 | 湿度 | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 平均 | 最高 | 最低 | 積算 (℃) |
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 (hPa) |
平均 (％) |
最小 | ||||||||||||
| 日平均 (℃) | 日最高 (℃) | 日最低 (℃) |
気温 (℃) | 日 時:分 | 気温 (℃) | 日 時:分 | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ≧30℃ | ≧35℃ | 湿度 (％) | 日 | |||||
| 上旬 | -1.3 | 1.5 | -5.7 | 4.1 | 07 24:00 | -13.8 | 04 05:00 | 0 | 5 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -3.2 | 0.4 | -8.0 | 3.5 | 18 20:00 | -15.6 | 13 05:00 | 0 | 7 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -4.1 | -0.9 | -7.8 | 2.6 | 27 03:00 | -22.1 | 25 05:00 | 0 | 10 | 0 | 11 | 0 | 6 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -3.8 | -0.7 | -9.3 | 3.3 | 08 15:00 | -17.1 | 10 04:00 | 0 | 9 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -1.7 | 0.9 | -5.1 | 4.8 | 16 03:00 | -14.8 | 11 03:00 | 0 | 7 | 0 | 9 | 0 | 5 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -2.9 | 0.5 | -7.6 | 6.3 | 28 23:00 | -15.0 | 26 24:00 | 0 | 6 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -0.6 | 1.9 | -3.7 | 5.3 | 01 01:00 | -6.1 | 06 24:00 | 0 | 7 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 1.1 | 3.6 | -2.0 | 8.1 | 14 15:00 | -6.1 | 12 05:00 | 0 | 3 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 2.5 | 4.9 | -0.6 | 12.1 | 31 11:00 | -4.6 | 23 06:00 | 0 | 1 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 6.2 | 9.3 | 3.3 | 13.3 | 08 17:00 | 0.7 | 05 22:00 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.9 | 9.5 | 1.8 | 14.8 | 11 14:00 | -0.6 | 20 24:00 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 3.9 | 8.0 | -0.8 | 13.5 | 22 15:00 | -4.4 | 27 04:00 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 7.4 | 11.0 | 2.7 | 15.6 | 07 13:00 | -3.2 | 02 04:00 | 11 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 9.4 | 13.2 | 4.8 | 19.2 | 19 12:00 | 0.9 | 12 05:00 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 10.8 | 14.5 ) | 7.0 ) | 21.5 ) | 27 09:00 | 4.7 ) | 26 01:00 | 101 | 0 | 0 | 0 ) | 0 | 0 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 上旬 | 11.0 | 15.1 | 6.8 | 20.6 | 05 12:00 | 1.3 | 10 05:00 | 68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 13.5 | 17.8 | 7.8 | 23.8 | 15 14:00 | 1.5 | 11 03:00 | 126 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 15.5 | 18.8 | 12.3 | 22.4 | 28 14:00 | 10.3 | 24 05:00 | 155 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 16.0 | 19.7 | 11.5 | 25.9 | 09 14:00 | 5.9 | 02 04:00 | 160 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 18.8 | 21.8 | 15.6 | 26.6 | 18 10:00 | 13.4 | 16 02:00 | 188 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 24.4 | 28.5 | 21.0 | 33.2 | 26 12:00 | 18.9 | 31 24:00 | 269 | 0 | 5 | 0 | 0 | 0 | 10 | 4 | 0 | /// | /// | /// | /// | |
| 上旬 | 21.7 | 25.8 | 17.5 | 33.8 | 07 16:00 | 14.5 | 03 03:00 | 217 | 0 | 1 | 0 | 0 | 0 | 3 | 2 | 0 | /// | /// | /// | /// | |
| 中旬 | 19.9 | 23.9 | 15.7 | 28.7 | 15 13:00 | 11.9 | 19 01:00 | 199 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 20.6 | 24.1 | 17.0 | 28.1 | 21 12:00 | 12.9 | 25 05:00 | 227 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 18.8 | 22.2 | 15.4 | 24.1 | 10 12:00 | 13.1 | 10 05:00 | 188 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 17.3 | 20.4 | 12.9 | 22.6 | 15 10:00 | 7.0 | 19 05:00 | 173 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 14.2 | 18.0 | 10.3 | 20.3 | 24 14:00 | 8.7 | 24 03:00 | 142 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 11.3 | 15.3 | 7.0 | 18.7 | 06 11:00 | 1.8 | 03 03:00 | 87 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 11.6 | 15.5 | 8.0 | 18.4 | 15 12:00 | 3.7 | 18 06:00 | 81 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 9.7 | 12.5 | 6.3 | 18.2 | 26 10:00 | 2.7 | 30 21:00 | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 6.3 | 9.6 | 2.6 | 14.2 | 03 13:00 | -0.6 | 02 06:00 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.1 | 7.9 | 3.0 | 11.4 | 13 11:00 | -0.9 | 15 06:00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 4.2 | 6.3 | 1.4 | 9.3 | 28 07:00 | -1.3 | 24 19:00 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 1.3 | 3.5 | -1.5 | 11.2 | 04 08:00 | -7.8 | 09 02:00 | 0 | 4 | 0 | 7 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -3.3 | -0.9 | -7.4 | 2.8 | 16 10:00 | -14.0 | 15 07:00 | 0 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -3.2 | 1.2 | -8.0 | 5.4 | 27 03:00 | -11.3 | 24 05:00 | 0 | 10 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
- 値欄の記号の説明
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