旬ごとの値
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室蘭（胆振地方) 1967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 | -4.4 | -2.5 | 1.0 | 07 | -6.1 | 08 | -6.8 | -10.5 | 08 | -3.1 | 01 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | 3.2 | 71 | 48 | 08* | |
| 中旬 | -3.6 | 0.2 | 4.5 | 18 | -6.6 | 15 | -7.2 | -12.8 | 14 | -0.6 | 12 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | 3.5 | 70 | 41 | 13 | |
| 下旬 | -2.2 | 0.6 | 7.5 | 22 | -3.5 | 23 | -5.6 | -10.3 | 31 | -1.1 | 21 | 7 | 0 | 11 | 0 | 7 | 0 | 0 | 0 | 3.7 | 68 | 49 | 28 | |
| 上旬 | -1.9 | 0.1 | 3.9 | 07 | -6.0 | 10 | -4.1 | -8.1 | 10 | -0.3 | 05 | 5 | 0 | 10 | 0 | 4 | 0 | 0 | 0 | 3.4 | 63 | 44 | 08 | |
| 中旬 | -4.2 | -2.0 | 2.7 | 20 | -5.0 | 11 | -6.6 | -9.8 | 14 | -2.0 | 20 | 8 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | 3.2 | 70 | 44 | 11 | |
| 下旬 | -0.8 | 1.5 | 8.4 | 23 | -3.3 | 28 | -3.4 | -5.3 | 28* | -1.1 | 23 | 5 | 0 | 8 | 0 | 3 | 0 | 0 | 0 | 4.2 | 69 | 43 | 26 | |
| 上旬 | 0.8 | 3.9 | 8.7 | 04 | -0.7 | 08 | -1.8 | -5.5 | 08 | 2.6 | 04 | 4 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | 4.9 | 74 | 48 | 06 | |
| 中旬 | 0.4 | 3.5 | 7.9 | 18 | -1.1 | 11 | -1.9 | -7.3 | 12 | 1.3 | 18 | 3 | 0 | 7 | 0 | 1 | 0 | 0 | 0 | 4.4 | 69 | 26 | 18 | |
| 下旬 | 3.1 | 6.2 | 11.3 | 26 | 2.1 | 22 | 0.6 | -3.3 | 21 | 4.1 | 31 | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 5.8 | 75 | 43 | 29 | |
| 上旬 | 4.0 | 6.4 | 9.4 | 10 | 4.7 | 05 | 1.7 | -0.8 | 08 | 3.8 | 10 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.0 | 73 | 35 | 08 | |
| 中旬 | 5.1 | 8.2 | 10.9 | 19 | 5.7 | 12 | 2.3 | -2.9 | 12 | 7.2 | 20 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.4 | 71 | 32 | 14 | |
| 下旬 | 8.9 | 12.7 | 19.2 | 29 | 7.3 | 21 | 5.7 | 3.6 | 23* | 9.8 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 72 | 21 | 27 | |
| 上旬 | 11.6 | 15.6 | 19.8 | 06 | 11.4 | 10 | 8.7 | 7.2 | 04 | 9.8 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 74 | 26 | 04 | |
| 中旬 | 10.8 | 14.1 | 17.0 | 12 | 9.2 | 15 | 8.3 | 7.2 | 20 | 9.9 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.3 | 80 | 48 | 12 | |
| 下旬 | 12.4 | 15.9 | 19.9 | 23 | 12.8 | 28 | 9.9 | 7.9 | 23 | 12.1 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.9 | 90 | 46 | 23 | |
| 上旬 | 13.6 | 16.2 | 19.6 | 03 | 12.9 | 10 | 11.5 | 9.8 | 08 | 12.7 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.7 | 82 | 44 | 03 | |
| 中旬 | 14.9 | 18.3 | 20.7 | 14 | 15.9 | 19 | 12.3 | 10.2 | 20 | 14.1 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.2 | 84 | 53 | 20 | |
| 下旬 | 15.9 | 19.4 | 23.0 | 24 | 15.2 | 30 | 13.2 | 10.7 | 30 | 14.4 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.9 | 81 | 53 | 21 | |
| 上旬 | 15.8 | 18.8 | 23.1 | 09 | 15.5 | 03 | 13.4 | 10.2 | 01 | 15.0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.2 | 85 | 54 | 01 | |
| 中旬 | 20.0 | 23.8 | 27.9 | 16 | 18.5 | 14 | 17.6 | 14.9 | 11 | 20.4 | 16 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 20.9 | 90 | 60 | 16 | |
| 下旬 | 21.6 | 24.7 | 28.2 | 24 | 19.9 | 31 | 19.5 | 18.1 | 30 | 22.6 | 24 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 23.2 | 90 | 60 | 28 | |
| 上旬 | 22.1 | 25.3 | 28.2 | 05 | 19.9 | 01 | 19.4 | 18.2 | 02 | 21.0 | 09 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 21.9 | 82 | 50 | 08 | |
| 中旬 | 21.3 | 24.2 | 28.0 | 11 | 20.7 | 15* | 18.8 | 16.4 | 19 | 20.9 | 11 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 21.5 | 85 | 45 | 17 | |
| 下旬 | 20.7 | 24.0 | 27.4 | 24 | 20.1 | 28 | 18.5 | 15.0 | 30 | 20.2 | 24 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 20.7 | 85 | 48 | 25 | |
| 上旬 | 19.4 | 22.3 | 23.9 | 03 | 20.1 | 01 | 17.6 | 14.2 | 10 | 19.0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19.5 | 86 | 50 | 03 | |
| 中旬 | 15.7 | 17.7 | 21.1 | 14 | 14.8 | 16 | 14.0 | 11.8 | 16 | 16.0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.6 | 82 | 45 | 14* | |
| 下旬 | 15.5 | 18.0 | 20.3 | 30 | 13.5 | 22 | 13.1 | 10.4 | 22 | 16.2 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.4 | 81 | 51 | 26 | |
| 上旬 | 14.5 | 18.0 | 20.9 | 09 | 14.3 | 02 | 11.1 | 7.8 | 01 | 14.0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.1 | 66 | 37 | 04 | |
| 中旬 | 12.7 | 15.3 | 19.5 | 11 | 10.4 | 19 | 9.7 | 4.6 | 20 | 15.4 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.3 | 66 | 37 | 15 | |
| 下旬 | 10.4 | 13.6 | 17.7 | 21 | 11.8 | 24 | 7.5 | 5.7 | 25 | 11.6 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 68 | 41 | 31 | |
| 上旬 | 7.8 | 10.9 | 15.2 | 08 | -0.2 | 10 | 4.6 | -5.0 | 10 | 9.2 | 08 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 7.6 | 68 | 41 | 06 | |
| 中旬 | 2.6 | 5.2 | 9.3 | 15 | 1.5 | 20 | 0.0 | -4.9 | 20 | 4.4 | 14 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 4.6 | 62 | 40 | 17* | |
| 下旬 | 2.9 | 5.0 | 11.7 | 29 | -0.3 | 21 | 0.6 | -4.6 | 21 | 5.7 | 29 | 4 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 5.6 | 71 | 43 | 27 | |
| 上旬 | 2.0 | 4.9 | 9.3 | 05 | -3.3 | 09 | -0.6 | -6.2 | 09 | 3.9 | 05 | 2 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | 4.8 | 65 | 43 | 08* | |
| 中旬 | 1.1 | 3.7 | 8.8 | 15 | -1.4 | 17 | -2.0 | -5.3 | 17 | 3.2 | 20 | 5 | 0 | 8 | 0 | 1 | 0 | 0 | 0 | 4.8 | 69 | 50 | 18* | |
| 下旬 | -1.9 | 0.4 | 7.9 | 21 | -4.0 | 29 | -4.0 | -7.5 | 30 | 1.0 | 21 | 10 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | 3.8 | 69 | 42 | 22 | |