旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
札幌（石狩地方) 1918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 | -5.6 | -2.3 | 1.7 | 03 | -6.2 | 06 | -9.6 | -15.7 | 08 | -2.5 | 10 | 10 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | |||||
| 中旬 | -4.2 | -0.7 | 3.9 | 12 | -4.8 | 16 | -8.1 | -10.6 | 18 | -4.8 | 11 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | |||||
| 下旬 | -7.8 | -1.2 | 1.7 | 28 | -4.2 | 31 | -15.6 | -19.8 | 23 | -11.8 | 21 | 11 | 0 | 11 | 0 | 8 | 0 | 0 | 0 | |||||
| 上旬 | -5.0 | 1.3 | 3.8 | 10 | -1.0 | 02 | -11.4 | -21.5 | 09 | -4.0 | 06 | 10 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | |||||
| 中旬 | -5.9 | -1.5 | 5.0 | 20 | -5.6 | 16 | -10.7 | -18.3 | 18 | -3.0 | 20 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | |||||
| 下旬 | -3.0 | 1.3 | 5.0 | 24 | -2.2 | 27 | -8.0 | -15.9 | 24 | -3.0 | 26* | 6 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | |||||
| 上旬 | -2.2 | 2.0 | 7.3 | 04 | -5.0 | 02 | -5.9 | -9.8 | 01 | -0.1 | 10 | 7 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | |||||
| 中旬 | -0.6 | 3.8 | 8.3 | 16 | -0.2 | 20 | -5.2 | -10.8 | 16 | 0.0 | 11 | 7 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | |||||
| 下旬 | 0.3 | 4.1 | 7.9 | 25 | -0.3 | 21 | -5.0 | -11.4 | 24 | 1.2 | 26 | 6 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | |||||
| 上旬 | 2.3 | 7.6 | 11.4 | 10 | 4.3 | 01 | -2.2 | -4.9 | 09 | 0.9 | 01 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 6.6 | 13.2 | 17.2 | 18 | 9.7 | 11 | -0.3 | -4.5 | 20 | 3.9 | 15 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 6.6 | 11.5 | 16.1 | 30 | 5.9 | 23 | 2.1 | -2.6 | 22 | 7.4 | 30 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 11.0 | 17.3 | 25.4 | 10 | 11.0 | 02 | 4.5 | 1.8 | 07 | 6.9 | 02 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |||||
| 中旬 | 10.8 | 15.1 | 18.4 | 19 | 10.8 | 13 | 7.4 | 5.2 | 16 | 9.2 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 11.2 | 17.1 | 23.8 | 26 | 9.5 | 22 | 7.1 | 1.4 | 26 | 11.1 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 14.9 | 21.1 | 27.2 | 10 | 13.3 | 02 | 10.5 | 7.6 | 03 | 13.1 | 09 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | |||||
| 中旬 | 13.9 | 18.4 | 25.5 | 18 | 13.7 | 13 | 11.2 | 9.6 | 20 | 13.4 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |||||
| 下旬 | 16.8 | 22.4 | 26.7 | 29 | 19.2 | 23 | 12.5 | 8.8 | 27 | 16.8 | 30 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | |||||
| 上旬 | 18.7 | 24.0 | 28.0 | 01 | 18.6 | 10 | 14.7 | 9.9 | 05 | 17.1 | 06 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | |||||
| 中旬 | 19.3 | 23.0 | 24.9 | 18 | 18.7 | 17 | 16.1 | 15.1 | 15* | 17.5 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 21.6 | 27.2 | 30.7 | 24 | 20.0 | 30 | 17.4 | 14.6 | 31 | 20.3 | 27 | 0 | 0 | 0 | 0 | 0 | 9 | 2 | 0 | |||||
| 上旬 | 22.0 | 27.8 | 30.5 | 06 | 24.9 | 01 | 17.5 | 13.4 | 01 | 20.1 | 02 | 0 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | |||||
| 中旬 | 21.5 | 27.0 | 30.6 | 12 | 21.1 | 18 | 16.5 | 9.5 | 19 | 21.5 | 12 | 0 | 1 | 0 | 0 | 0 | 7 | 3 | 0 | |||||
| 下旬 | 20.7 | 25.9 | 28.8 | 24 | 23.3 | 26 | 16.2 | 9.5 | 21 | 19.8 | 28 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | |||||
| 上旬 | 20.3 | 25.6 | 28.2 | 06 | 23.0 | 05 | 15.8 | 12.3 | 02 | 19.7 | 06 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | |||||
| 中旬 | 18.2 | 23.2 | 25.4 | 15 | 18.9 | 19 | 13.6 | 8.6 | 18 | 17.1 | 15 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |||||
| 下旬 | 15.1 | 20.0 | 23.5 | 27 | 15.7 | 24 | 9.6 | 4.5 | 27 | 13.2 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 13.2 | 19.6 | 22.9 | 03 | 16.6 | 05 | 6.9 | 1.5 | 03 | 11.7 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 10.7 | 16.7 | 19.5 | 15 | 12.3 | 19 | 3.7 | 0.4 | 18 | 11.6 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 6.0 | 12.5 | 21.1 | 21 | 5.6 | 25 | -0.3 | -3.0 | 25 | 3.8 | 31 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 4.0 | 8.7 | 19.6 | 03 | 2.1 | 10 | -0.7 | -5.3 | 10 | 5.5 | 03 | 3 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 1.5 | 5.2 | 9.4 | 20 | -0.7 | 11 | -2.7 | -9.1 | 12 | 2.6 | 19 | 2 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | |||||
| 下旬 | 2.5 | 6.1 | 13.0 | 23 | -1.3 | 25 | -1.5 | -4.0 | 25 | 3.6 | 23 | 3 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | |||||
| 上旬 | -2.1 | 1.5 | 7.0 | 05 | -5.0 | 08 | -5.9 | -9.9 | 08 | -1.8 | 06 | 7 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | |||||
| 中旬 | -4.4 | -1.1 | 2.9 | 14 | -4.0 | 13 | -8.2 | -10.2 | 13 | -4.5 | 19 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | |||||
| 下旬 | -6.3 | -2.0 | 0.7 | 27 | -3.9 | 29 | -10.9 | -15.1 | 29 | -5.4 | 25 | 11 | 0 | 11 | 0 | 9 | 0 | 0 | 0 | |||||