旬ごとの値
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支笏湖畔（石狩地方) 1981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 | -4.0 | -1.7 | -6.5 | 1.9 | 01 14:00 | -8.9 | 05 21:00 | 0 | 10 | 0 | 10 | 0 | 9 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -4.7 | -1.0 | -7.7 | 0.4 | 17 14:00 | -8.7 | 18 05:00 | 0 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -6.4 | -4.0 | -9.1 | -0.2 | 24 13:00 | -13.0 | 26 05:00 | 0 | 11 | 0 | 11 | 0 | 11 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -3.4 | -0.8 | -5.8 | 0.6 | 04 14:00 | -7.4 | 09 24:00 | 0 | 10 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -3.0 | -0.4 | -5.8 | 1.2 | 14 14:00 | -9.6 | 18 05:00 | 0 | 10 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -7.3 | -4.4 | -10.1 | -2.9 | 23 12:00 | -12.3 | 26 06:00 | 0 | 8 | 0 | 8 | 0 | 8 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -4.5 | -1.6 | -7.4 | 1.3 | 03 13:00 | -10.9 | 10 06:00 | 0 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -0.3 | 2.8 | -3.8 | 6.7 | 19 14:00 | -10.5 | 11 01:00 | 0 | 6 | 0 | 8 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -1.2 | 1.6 | -4.1 | 4.5 | 31 11:00 | -7.1 | 24 22:00 | 0 | 8 | 0 | 11 | 0 | 3 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 4.0 | 7.5 | 0.8 | 12.0 | 05 15:00 | -0.6 | 02 02:00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 2.8 | 5.8 | -0.3 | 9.3 | 16 13:00 | -3.1 | 15 03:00 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 7.6 | 12.6 | 2.8 | 17.5 | 23 15:00 | 0.9 | 21 24:00 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 8.9 | 13.9 | 4.5 | 18.3 | 01 15:00 | 1.8 | 05 01:00 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 6.2 | 10.2 | 3.1 | 16.9 | 20 15:00 | 1.1 | 17 05:00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 8.5 | 12.4 | 4.9 | 20.9 | 21 15:00 | 0.8 | 31 04:00 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 10.0 | 14.7 | 6.5 | 19.5 | 03 14:00 | 2.1 | 01 04:00 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 12.5 | 15.9 | 10.1 | 21.9 | 14 14:00 | 6.7 | 20 22:00 | 117 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 13.7 | 17.7 | 10.8 | 25.3 | 26 14:00 | 6.9 | 21 04:00 | 129 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 15.2 | 18.4 | 12.6 | 25.1 | 07 13:00 | 11.1 | 04 01:00 | 152 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 20.7 | 25.0 | 17.2 | 29.4 | 18 14:00 | 14.4 | 12 05:00 | 207 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 20.3 | 25.6 ) | 16.4 ) | 30.4 ) | 31 12:00 | 15.0 ) | 24 23:00 | 224 | 0 | 0 | 0 ) | 0 | 0 | 7 ) | 1 ) | 0 ) | /// | /// | /// | /// | |
| 上旬 | 19.6 | 22.5 | 17.2 | 31.3 | 01 14:00 | 13.4 | 07 04:00 | 196 | 0 | 2 | 0 | 0 | 0 | 3 | 2 | 0 | /// | /// | /// | /// | |
| 中旬 | 17.9 | 20.8 | 15.8 | 24.1 | 15 13:00 | 14.2 | 14 05:00 | 179 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 18.0 ) | 21.5 ] | 15.4 ] | 25.1 ] | 27 14:00 | 13.6 ] | 29 04:00 | 180 ) | 0 ) | 0 ) | 0 ] | 0 | 0 | 1 ] | 0 ] | 0 ] | /// | /// | /// | /// | |
| 上旬 | 14.6 | 18.0 ) | 11.7 ) | 20.4 ) | 08 14:00 | 9.6 ) | 07 05:00 | 146 | 0 | 0 | 0 ) | 0 | 0 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 中旬 | 14.0 | 18.9 | 10.6 | 22.6 | 20 13:00 | 9.2 | 12 06:00 | 140 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 14.5 | 19.2 ) | 10.6 ) | 22.0 ) | 25 14:00 | 6.0 ) | 30 02:00 | 136 | 0 | 0 | 0 ) | 0 | 0 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 上旬 | 12.0 | 16.1 | 8.2 | 18.8 | 08 12:00 | 7.0 | 04 04:00 | 111 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 9.3 | 13.7 | 5.3 | 16.3 | 12 15:00 | 2.4 | 15 05:00 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 7.2 | 11.3 | 3.1 | 15.9 | 22 23:00 | 1.3 | 27 05:00 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 1.7 | 4.5 | -1.4 | 11.1 | 03 15:00 | -5.7 | 08 07:00 | 0 | 4 | 0 | 6 | 0 | 1 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 2.0 | 4.9 | -1.2 | 8.1 | 19 14:00 | -4.0 | 17 02:00 | 0 | 1 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -2.7 ) | -0.5 ) | -4.7 ) | 2.7 ) | 23 21:00 | -8.7 ) | 29 03:00 | 0 ) | 7 ) | 0 ) | 10 | 0 | 4 | 0 ) | 0 ) | 0 ) | /// | /// | /// | /// | |
| 上旬 | -1.9 | 0.7 | -4.2 | 4.5 | 05 13:00 | -6.2 | 01 18:00 | 0 | 8 | 0 | 10 | 0 | 4 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -0.2 | 1.7 | -2.6 | 5.4 | 12 14:00 | -7.5 | 14 07:00 | 0 | 6 | 0 | 9 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -1.3 | 2.0 | -5.0 | 5.9 | 23 12:00 | -8.3 | 25 07:00 | 0 | 6 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
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