旬ごとの値
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北斗（渡島地方) 1999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 | -5.8 | -1.9 | -10.3 | 2.8 | 05 24:00 | -14.2 | 09 04:00 | 0 | 10 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -2.5 | 1.0 | -7.6 | 4.9 | 19 14:00 | -11.5 | 18 02:00 | 0 | 9 | 0 | 10 | 0 | 4 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -4.0 | -0.6 | -8.0 | 4.8 | 25 12:00 | -15.2 | 30 05:00 | 0 | 10 | 0 | 11 | 0 | 6 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -5.4 | -1.5 | -9.5 | 1.7 | 07 13:00 | -14.8 | 03 07:00 | 0 | 10 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -2.7 | 0.3 | -6.8 | 9.3 | 17 12:00 | -11.6 | 20 03:00 | 0 | 7 | 0 | 9 | 0 | 6 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -2.3 | 1.6 | -6.8 | 6.0 | 27 11:00 | -11.5 | 24 01:00 | 0 | 6 | 0 | 7 | 0 | 4 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -1.6 | 2.3 | -6.6 | 5.8 | 03 17:00 | -9.0 | 10 03:00 | 0 | 8 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 0.3 | 4.2 | -3.6 | 9.5 | 18 18:00 | -10.3 | 12 04:00 | 0 | 4 | 0 | 6 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -0.1 | 3.6 | -4.5 | 10.9 | 26 15:00 | -9.7 | 23 05:00 | 0 | 6 | 0 | 11 | 0 | 4 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 2.7 | 6.9 | -1.5 | 13.9 | 10 13:00 | -4.6 | 04 05:00 | 0 | 2 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 7.6 | 12.8 | 2.9 | 16.3 | 19 13:00 | -0.2 | 18 04:00 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 9.3 | 14.5 | 3.4 | 19.6 | 23 14:00 | -1.9 | 22 04:00 | 46 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 10.3 | 15.1 | 5.6 | 19.5 | 01 13:00 | 2.8 | 03 04:00 | 77 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 10.7 | 15.4 | 5.4 | 17.3 | 12 13:00 | 1.8 | 14 02:00 | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 13.6 | 18.6 | 9.3 | 24.7 | 23 14:00 | 7.0 | 31 04:00 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 14.9 | 20.0 ) | 10.2 ) | 23.3 ) | 03 15:00 | 8.6 ) | 01 03:00 | 149 | 0 | 0 | 0 ) | 0 | 0 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 中旬 | 17.5 | 22.6 | 12.6 | 26.5 | 14 14:00 | 9.5 | 11 05:00 | 175 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 17.1 | 20.5 | 14.0 | 23.6 | 23 16:00 | 10.7 | 22 04:00 | 171 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 16.8 | 19.9 | 13.9 | 22.6 | 10 14:00 | 10.2 | 10 03:00 | 168 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 20.0 | 23.2 | 17.2 | 25.9 | 17 16:00 | 12.1 | 11 04:00 | 200 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 23.6 | 27.3 | 20.8 | 30.6 | 27 14:00 | 17.6 | 21 05:00 | 259 | 0 | 1 | 0 | 0 | 0 | 10 | 1 | 0 | /// | /// | /// | /// | |
| 上旬 | 25.4 | 30.0 | 21.4 | 31.5 | 09 15:00 | 19.3 | 03 03:00 | 254 | 0 | 7 | 0 | 0 | 0 | 10 | 7 | 0 | /// | /// | /// | /// | |
| 中旬 | 24.2 | 27.7 | 21.3 | 30.2 | 12 12:00 | 19.2 | 12 05:00 | 242 | 0 | 3 | 0 | 0 | 0 | 9 | 1 | 0 | /// | /// | /// | /// | |
| 下旬 | 21.8 | 25.6 | 18.5 | 29.9 | 21 15:00 | 15.3 | 27 04:00 | 240 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 21.6 | 26.3 | 17.1 | 27.6 | 06 13:00 | 13.0 | 03 04:00 | 216 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 18.2 | 23.2 | 13.1 | 26.3 | 12 12:00 | 10.6 | 18 04:00 | 182 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 17.5 | 21.6 | 13.1 | 26.3 | 24 13:00 | 10.0 | 27 02:00 | 175 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 12.6 | 17.6 | 7.6 | 19.3 | 08 11:00 | 4.8 | 10 03:00 | 126 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 10.8 | 15.1 | 5.9 | 19.7 | 12 14:00 | -0.1 | 18 05:00 | 82 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 10.7 | 15.4 | 5.7 | 18.1 | 21 13:00 | 0.6 | 25 03:00 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 6.2 | 10.9 | 2.1 | 13.9 | 08 12:00 | -0.6 | 10 07:00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.4 | 9.3 | 1.7 | 13.6 | 11 13:00 | -2.2 | 17 07:00 | 11 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 3.2 | 7.5 | -0.7 | 16.4 | 24 12:00 | -6.0 | 30 02:00 | 11 | 5 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 0.2 | 3.2 | -2.9 | 8.2 | 10 14:00 | -4.8 | 03 06:00 | 0 | 6 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -3.9 | 0.0 | -7.7 | 6.9 | 11 02:00 | -11.1 | 15 07:00 | 0 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -0.7 | 2.5 | -4.3 | 4.5 | 25 07:00 | -6.7 | 22 05:00 | 0 | 6 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
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