旬ごとの値
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天塩（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 | 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 | -2.9 | -0.4 | -6.7 | 1.9 | 02 15:00 | -13.6 | 06 22:00 | 0 | 10 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -1.0 | 1.4 | -4.8 | 3.5 | 19 20:00 | -13.0 | 19 04:00 | 0 | 7 | 0 | 9 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -5.6 | -2.5 | -10.4 | -0.1 | 21 01:00 | -20.0 | 23 06:00 | 0 | 11 | 0 | 11 | 0 | 11 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -6.4 | -1.7 | -13.9 | 2.6 | 10 13:00 | -18.5 | 09 02:00 | 0 | 10 | 0 | 10 | 0 | 9 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -8.0 | -3.6 | -14.0 | 1.6 | 15 13:00 | -26.8 | 19 07:00 | 0 | 10 | 0 | 10 | 0 | 9 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -4.6 | -0.6 | -11.7 | 3.2 | 27 13:00 | -21.7 | 26 05:00 | 0 | 7 | 0 | 7 | 0 | 5 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -3.2 | 0.1 | -8.2 | 4.7 | 04 19:00 | -15.1 | 08 23:00 | 0 | 7 | 0 | 8 | 0 | 4 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -3.7 | 0.0 ) | -10.3 ) | 4.5 ) | 19 21:00 | -20.0 ) | 15 03:00 | 0 | 9 | 0 | 9 | 0 | 3 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 下旬 | 0.1 | 2.9 | -3.8 | 5.2 | 25 14:00 | -8.3 | 27 04:00 | 0 | 5 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 3.4 | 5.4 | 0.8 | 7.8 | 08 11:00 | -11.0 | 01 04:00 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.8 | 9.1 | 1.9 | 13.1 | 13 11:00 | -2.2 | 19 21:00 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 6.5 | 10.1 | 2.8 | 16.5 | 26 11:00 | -0.7 | 23 02:00 | 10 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 7.2 | 9.8 | 4.1 | 14.9 | 07 13:00 | -3.6 | 03 22:00 | 42 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 10.8 | 14.2 | 6.9 | 20.3 | 16 11:00 | 4.8 | 20 02:00 | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 10.9 | 15.5 | 4.5 | 18.4 | 22 12:00 | -1.1 | 28 04:00 | 85 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 14.5 | 18.8 | 10.3 | 24.6 | 09 12:00 | 6.4 | 01 04:00 | 145 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 13.7 | 16.0 | 10.7 | 20.2 | 20 13:00 | 8.0 | 14 23:00 | 128 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 16.7 | 20.9 ) | 12.6 ) | 23.3 ] | 30 15:00 | 8.3 ] | 30 24:00 | 167 | 0 | 0 | 0 ) | 0 | 0 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 上旬 | 16.5 | 21.1 | 11.8 | 23.0 | 09 13:00 | 8.4 | 03 03:00 | 165 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 17.5 | 21.9 | 13.1 | 25.2 | 16 15:00 | 8.6 | 19 03:00 | 175 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 18.8 | 21.8 | 16.5 | 24.9 | 31 10:00 | 14.2 | 30 01:00 | 207 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 18.5 | 22.9 | 14.7 | 27.3 | 02 13:00 | 12.6 | 06 05:00 | 185 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 19.3 | 23.2 | 14.2 | 26.0 | 20 14:00 | 11.2 | 14 04:00 | 193 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 18.5 | 22.2 | 13.4 | 24.5 | 25 14:00 | 8.2 | 27 21:00 | 204 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 18.1 | 21.6 | 14.3 | 24.1 | 03 13:00 | 10.4 | 10 19:00 | 181 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 15.1 | 19.5 | 9.0 | 21.2 | 18 13:00 | 4.2 | 16 03:00 | 151 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 13.7 | 17.0 | 8.6 | 19.6 | 22 15:00 | 4.4 | 30 22:00 | 137 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 12.8 | 17.4 | 7.7 | 19.7 | 02 12:00 | 3.4 | 09 06:00 | 128 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 11.5 | 14.2 | 8.2 | 20.0 | 17 13:00 | 5.6 | 12 02:00 | 87 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 8.7 | 11.3 | 5.1 | 19.0 | 27 12:00 | 3.6 | 25 01:00 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 5.0 ) | 9.2 ) | 0.1 ) | 14.2 ) | 03 12:00 | -4.8 ) | 05 18:00 | 10 ) | 1 ) | 0 ) | 4 ) | 0 | 0 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 中旬 | 1.7 ] | 3.9 ] | -0.7 ] | 6.1 ] | 18 01:00 | -2.7 ] | 15 20:00 | 0 ] | 1 ] | 0 ] | 5 ) | 0 ) | 0 ) | 0 ] | 0 ] | 0 ] | /// | /// | /// | /// | |
| 下旬 | 3.5 | 6.5 | 0.2 | 9.6 | 27 21:00 | -7.8 | 25 03:00 | 0 | 2 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -0.9 | 2.1 | -4.1 | 8.5 | 06 09:00 | -9.2 | 10 05:00 | 0 | 5 | 0 | 8 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -3.6 | -1.0 | -6.0 | 7.1 | 17 05:00 | -13.1 | 12 06:00 | 0 | 7 | 0 | 9 | 0 | 6 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -4.2 | -1.5 | -8.0 | 3.7 | 24 11:00 | -16.8 | 26 24:00 | 0 | 11 | 0 | 11 | 0 | 9 | 0 | 0 | 0 | /// | /// | /// | /// | |
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