旬ごとの値
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根室（根室地方) 1966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 | -2.6 | 0.2 | 4.2 | 04 | -3.6 | 09 | -5.4 | -7.6 | 03 | 0.1 | 05 | 9 | 0 | 9 | 0 | 5 | 0 | 0 | 0 | 4.0 | 78 | 49 | 03 | |
| 中旬 | -5.0 | -1.7 | 2.8 | 11 | -8.5 | 19 | -9.4 | -15.5 | 20 | -1.2 | 11 | 9 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | 3.3 | 71 | 33 | 19 | |
| 下旬 | -6.1 | -3.0 | 1.4 | 26 | -5.6 | 24 | -10.4 | -13.5 | 31 | -6.7 | 26 | 11 | 0 | 11 | 0 | 8 | 0 | 0 | 0 | 2.9 | 72 | 47 | 24 | |
| 上旬 | -5.0 | -1.1 | 4.8 | 03 | -5.7 | 05 | -9.8 | -12.4 | 02 | -7.2 | 04 | 10 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | 3.0 | 68 | 42 | 05 | |
| 中旬 | -6.1 | -1.1 | 3.7 | 18 | -7.8 | 12 | -11.4 | -17.3 | 15 | -1.7 | 18 | 9 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | 3.2 | 74 | 46 | 15 | |
| 下旬 | -2.7 | 0.4 | 5.8 | 26 | -3.8 | 22 | -7.3 | -17.2 | 24 | -0.7 | 28 | 6 | 0 | 8 | 0 | 3 | 0 | 0 | 0 | 4.2 | 79 | 41 | 24 | |
| 上旬 | -1.8 | 1.7 | 5.2 | 10 | -4.4 | 06 | -5.0 | -9.1 | 08 | 0.1 | 03 | 6 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | 4.6 | 82 | 37 | 09 | |
| 中旬 | -0.6 | 2.2 | 6.0 | 13 | -1.7 | 18 | -3.7 | -8.0 | 15 | 1.0 | 13 | 8 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | 4.9 | 81 | 36 | 11 | |
| 下旬 | -0.3 | 2.3 | 5.1 | 24 | 0.4 | 30* | -3.1 | -5.8 | 21 | -0.6 | 29 | 7 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 4.8 | 80 | 44 | 21 | |
| 上旬 | 1.3 | 5.1 | 9.8 | 09 | 3.1 | 05 | -2.2 | -5.6 | 05 | 0.7 | 07 | 2 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 5.3 | 78 | 45 | 10 | |
| 中旬 | 1.1 | 4.0 | 7.2 | 12 | 0.6 | 18 | -1.6 | -3.3 | 19 | -0.2 | 16 | 2 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 5.7 | 85 | 39 | 11 | |
| 下旬 | 4.2 | 7.7 | 13.0 | 25 | 2.7 | 23 | 1.3 | -1.4 | 23 | 3.7 | 26 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 7.3 | 86 | 42 | 28 | |
| 上旬 | 7.2 | 12.4 | 19.7 | 07 | 6.0 | 03 | 2.4 | -0.5 | 01 | 6.8 | 09 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7.4 | 75 | 31 | 06 | |
| 中旬 | 7.4 | 12.4 | 27.6 | 19 | 5.3 | 14 | 2.6 | -0.3 | 17 | 5.6 | 18 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 8.1 | 80 | 31 | 19 | |
| 下旬 | 5.5 | 8.6 | 14.5 | 27 | 4.8 | 23 | 3.5 | 1.1 | 21 | 5.9 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 92 | 57 | 21 | |
| 上旬 | 5.5 | 8.7 | 12.9 | 04 | 4.8 | 03 | 3.2 | 1.0 | 03 | 4.7 | 08* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 94 | 70 | 05 | |
| 中旬 | 9.3 | 13.9 | 22.5 | 17 | 6.8 | 11 | 5.0 | 0.6 | 12 | 9.4 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.1 | 93 | 59 | 18 | |
| 下旬 | 9.8 | 12.7 | 23.4 | 22 | 9.0 | 29 | 7.2 | 4.9 | 29 | 10.1 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.3 | 93 | 59 | 22 | |
| 上旬 | 9.6 | 13.2 | 22.1 | 07 | 7.3 | 04 | 7.0 | 4.3 | 03 | 9.9 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.1 | 93 | 61 | 07 | |
| 中旬 | 12.6 | 16.1 | 21.4 | 16 | 10.8 | 11 | 9.8 | 7.2 | 12 | 12.8 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.3 | 97 | 78 | 13 | |
| 下旬 | 14.3 | 19.1 | 24.2 | 25 | 10.9 | 30 | 10.8 | 7.7 | 31* | 14.8 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.7 | 95 | 58 | 23 | |
| 上旬 | 14.1 | 17.2 | 19.7 | 05 | 13.2 | 01 | 11.8 | 9.6 | 01 | 13.4 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.6 | 96 | 79 | 05 | |
| 中旬 | 15.2 | 18.0 | 25.5 | 17 | 12.6 | 13 | 12.8 | 10.3 | 15* | 17.0 | 20 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17.3 | 99 | 77 | 17* | |
| 下旬 | 18.0 | 22.9 | 29.3 | 28 | 14.0 | 25 | 14.5 | 10.6 | 26 | 18.9 | 23 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 19.5 | 93 | 62 | 28 | |
| 上旬 | 16.2 | 20.3 | 23.9 | 01 | 16.9 | 05 | 13.1 | 9.1 | 06 | 15.5 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.9 | 86 | 50 | 05 | |
| 中旬 | 13.4 | 16.7 | 19.1 | 16 | 13.7 | 13 | 10.6 | 9.1 | 18 | 13.8 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.9 | 83 | 45 | 16 | |
| 下旬 | 13.4 | 17.3 | 22.6 | 22 | 11.0 | 25 | 10.0 | 7.4 | 30 | 12.2 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.7 | 83 | 46 | 30 | |
| 上旬 | 12.1 | 15.7 | 18.7 | 01 | 11.0 | 05 | 8.6 | 3.6 | 06 | 13.8 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.0 | 82 | 45 | 06 | |
| 中旬 | 12.1 | 14.3 | 17.2 | 19 | 12.2 | 13 | 9.9 | 6.0 | 11 | 11.8 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.9 | 91 | 57 | 20 | |
| 下旬 | 10.9 | 13.7 | 16.4 | 29 | 11.6 | 24 | 8.2 | 4.9 | 25 | 10.3 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.7 | 81 | 50 | 31 | |
| 上旬 | 8.3 | 11.2 | 15.4 | 01 | 8.1 | 03 | 4.5 | -1.0 | 03 | 8.3 | 07 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.8 | 78 | 52 | 03 | |
| 中旬 | 5.7 | 9.1 | 13.1 | 14 | 3.2 | 15 | 1.2 | -2.4 | 15 | 5.4 | 17 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 6.9 | 71 | 40 | 15 | |
| 下旬 | 4.3 | 7.9 | 12.5 | 25 | 3.0 | 21 | 0.6 | -4.3 | 27 | 7.3 | 25 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 6.5 | 75 | 43 | 30 | |
| 上旬 | -0.5 | 2.7 | 6.3 | 04 | -0.9 | 02 | -3.6 | -5.7 | 02 | 2.1 | 05 | 6 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | 4.4 | 72 | 42 | 02 | |
| 中旬 | -1.6 | 1.8 | 6.0 | 20 | -1.4 | 18 | -5.2 | -8.4 | 20 | -1.1 | 14 | 8 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | 4.1 | 73 | 47 | 20 | |
| 下旬 | -5.1 | -2.9 | 1.2 | 31 | -6.2 | 25 | -7.5 | -11.3 | 25 | -4.1 | 29 | 11 | 0 | 11 | 0 | 10 | 0 | 0 | 0 | 3.0 | 69 | 45 | 24 | |