旬ごとの値
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室蘭（胆振地方) 1946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 | -3.5 | 0.2 | 4.9 | 03 | -2.8 | 02 | -6.4 | -12.2 | 10 | -4.2 | 05 | 9 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | |||||
| 中旬 | -2.6 | -0.6 | 3.5 | 20 | -3.9 | 11 | -5.0 | -11.3 | 11 | -2.2 | 14 | 8 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | |||||
| 下旬 | -1.5 | 0.8 | 3.9 | 21 | -1.8 | 29 | -3.9 | -5.7 | 28 | 0.4 | 23 | 9 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | |||||
| 上旬 | -3.8 | -1.0 | 3.5 | 01 | -5.3 | 08 | -6.3 | -8.7 | 09 | -1.4 | 05 | 10 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | |||||
| 中旬 | -1.4 | 1.6 | 7.6 | 14 | -1.9 | 17 | -4.7 | -7.0 | 17 | 0.0 | 14 | 9 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | |||||
| 下旬 | -3.3 | -0.8 | 2.9 | 26 | -4.2 | 28 | -5.6 | -8.1 | 28 | -3.7 | 25 | 8 | 0 | 8 | 0 | 5 | 0 | 0 | 0 | |||||
| 上旬 | -2.9 | -0.4 | 1.6 | 04 | -3.1 | 10 | -4.7 | -7.3 | 10 | -0.6 | 04 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | |||||
| 中旬 | -2.8 | -0.1 | 3.3 | 20 | -2.8 | 11 | -5.4 | -8.4 | 11 | -0.6 | 20 | 8 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | |||||
| 下旬 | 1.7 | 5.0 | 10.5 | 29 | 3.1 | 24 | -1.0 | -4.1 | 25 | 2.9 | 29 | 1 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 4.1 | 7.7 | 12.0 | 09 | 4.1 | 04 | 1.5 | -0.7 | 07 | 5.3 | 09 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 6.6 | 11.2 | 17.6 | 16 | 7.2 | 15* | 2.7 | 0.3 | 16 | 5.0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 7.7 | 12.5 | 15.2 | 27 | 7.8 | 24 | 3.6 | 1.5 | 27 | 5.9 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 7.4 | 11.1 | 16.7 | 04 | 5.9 | 08 | 4.4 | 0.8 | 04 | 6.8 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 8.0 | 11.1 | 14.3 | 19 | 8.0 | 14 | 5.6 | 3.6 | 17 | 8.3 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 9.6 | 12.9 | 18.7 | 30 | 6.9 | 23 | 7.1 | 4.9 | 23* | 9.8 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 13.7 | 17.5 | 24.7 | 08 | 12.6 | 01 | 10.8 | 7.2 | 03 | 16.2 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 17.5 | 22.7 | 27.1 | 15 | 19.8 | 13 | 13.2 | 11.1 | 13 | 15.9 | 20 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | |||||
| 下旬 | 18.1 | 22.0 | 25.5 | 24* | 16.9 | 29 | 15.2 | 13.4 | 26 | 17.1 | 24 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | |||||
| 上旬 | 17.7 | 20.4 | 25.3 | 08 | 16.1 | 04 | 15.6 | 14.8 | 04 | 16.8 | 08 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |||||
| 中旬 | 22.6 | 26.9 | 30.5 | 20 | 24.7 | 15 | 18.4 | 16.1 | 16 | 20.9 | 20 | 0 | 1 | 0 | 0 | 0 | 9 | 1 | 0 | |||||
| 下旬 | 21.1 | 23.3 | 27.8 | 23 | 18.2 | 31 | 19.5 | 15.8 | 31 | 23.4 | 21 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | |||||
| 上旬 | 20.8 | 24.1 | 30.6 | 10 | 19.5 | 01 | 18.9 | 16.7 | 01 | 22.2 | 10 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | |||||
| 中旬 | 25.0 | 29.8 | 32.4 | 12 | 27.9 | 13 | 21.7 | 19.6 | 17 | 22.8 | 12 | 0 | 4 | 0 | 0 | 0 | 10 | 5 | 0 | |||||
| 下旬 | 24.1 | 27.3 | 30.8 | 31 | 25.1 | 28 | 22.0 | 20.2 | 28 | 23.2 | 25 | 0 | 0 | 0 | 0 | 0 | 11 | 2 | 0 | |||||
| 上旬 | 20.2 | 24.6 | 27.9 | 01 | 20.2 | 09 | 17.4 | 12.9 | 09 | 20.1 | 04 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | |||||
| 中旬 | 18.2 | 22.2 | 25.9 | 12 | 19.0 | 14 | 15.2 | 13.8 | 19 | 16.5 | 16 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | |||||
| 下旬 | 16.5 | 21.3 | 24.2 | 23 | 18.0 | 27 | 12.5 | 9.4 | 29 | 15.2 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 15.1 | 19.1 | 25.8 | 03 | 13.3 | 05 | 11.2 | 6.9 | 05 | 16.3 | 03 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |||||
| 中旬 | 12.7 | 16.1 | 20.0 | 11 | 12.1 | 18 | 9.3 | 6.6 | 20 | 12.0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 13.5 | 17.1 | 21.3 | 26 | 7.6 | 28 | 9.7 | 3.4 | 28 | 14.6 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 9.9 | 13.9 | 17.1 | 01 | 10.0 | 02 | 6.3 | 3.1 | 08 | 10.8 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 6.8 | 10.3 | 15.1 | 13 | 3.6 | 14 | 3.9 | 0.2 | 18 | 8.6 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 5.6 | 9.5 | 14.9 | 22 | 0.1 | 29 | 1.6 | -2.9 | 29 | 6.6 | 22 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 1.4 | 4.4 | 9.2 | 02 | -2.5 | 10 | -1.8 | -5.1 | 10 | 5.7 | 02 | 3 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | |||||
| 中旬 | -1.8 | 0.3 | 3.2 | 20 | -2.0 | 14 | -3.6 | -4.5 | 18 | -2.8 | 12 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | |||||
| 下旬 | -1.7 | 0.9 | 8.0 | 27 | -4.1 | 29 | -4.5 | -7.2 | 29 | 0.7 | 27 | 10 | 0 | 10 | 0 | 4 | 0 | 0 | 0 | |||||