半旬ごとの値
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根室（根室地方) 2004年（半旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 半旬 | 日～日 | 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 | ||||||||||||||||
| 第1半旬 | 1～ 5 | -1.9 | 0.5 | 3.0 | 03 | -1.7 | 05 | -3.8 | -7.3 | 05 | -2.0 | 03 | 4 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 3.7 | 69 | 49 | 01 | |
| 第2半旬 | 6～10 | -2.6 | 0.1 | 2.1 | 10 | -3.0 | 06 | -6.0 | -10.4 | 07 | -2.0 | 08 | 5 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 4.0 | 77 | 48 | 06 | |
| 第3半旬 | 11～15 | 0.2 | 1.5 | 2.8 | 13 | 0.1 | 12 | -1.6 | -3.8 | 12 | 0.3 | 14 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.5 | 88 | 60 | 12 | |
| 第4半旬 | 16～20 | -3.4 | -1.6 | 0.7 | 16 | -2.6 | 18 | -5.9 | -8.8 | 19 | -3.0 | 16 | 5 | 0 | 5 | 0 | 4 | 0 | 0 | 0 | 3.6 | 75 | 56 | 17 | |
| 第5半旬 | 21～25 | -2.1 | -0.1 | 3.2 | 22 | -4.2 | 25 | -4.4 | -6.0 | 25 | -1.1 | 22 | 4 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | 4.3 | 79 | 54 | 25 | |
| 第6半旬 | 26～31 | -3.6 | -1.6 ) | -0.3 ) | 30 | -3.2 ) | 29 | -6.1 | -9.5 | 26 | -3.5 | 28 | 6 | 0 | 6 | 0 | 5 ) | 0 ) | 0 ) | 0 ) | 3.4 | 71 | 51 | 29 | |
| 第1半旬 | 1～ 5 | -2.7 | -0.5 | 1.0 | 03 | -2.1 | 01 | -5.5 | -7.2 | 02 | -2.5 | 03 | 5 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | 3.7 | 72 | 37 | 04 | |
| 第2半旬 | 6～10 | -4.2 | -1.9 | -1.1 | 10 | -3.4 | 07 | -7.1 | -9.1 | 08 | -4.9 | 06 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.1 | 70 | 45 | 10* | |
| 第3半旬 | 11～15 | 0.0 | 2.7 | 4.0 | 14 | 2.0 | 15 | -3.5 | -7.0 | 11 | -0.1 | 15 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5.0 | 81 | 46 | 11 | |
| 第4半旬 | 16～20 | -4.8 | -2.9 | 0.0 | 16 | -4.7 | 18 | -6.6 | -8.3 | 19 | -5.6 | 16 | 5 | 0 | 5 | 0 | 4 | 0 | 0 | 0 | 2.9 | 67 | 35 | 20 | |
| 第5半旬 | 21～25 | -1.7 | 2.0 | 6.7 | 25 | 0.3 | 22 | -5.1 | -9.6 | 23 | -1.1 | 25 | 4 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 4.6 | 82 | 53 | 25* | |
| 第6半旬 | 26～29 | -1.7 | 2.2 | 5.6 | 29 | -2.5 | 27 | -5.6 | -7.8 | 28 | -2.1 | 29 | 2 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 4.2 | 74 | 42 | 28 | |
| 第1半旬 | 1～ 5 | -4.1 | -1.6 | -1.3 | 04 | -2.1 | 01 | -7.1 | -9.2 | 04 | -3.7 | 05 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.0 | 66 | 33 | 03 | |
| 第2半旬 | 6～10 | -3.4 | -0.2 | 3.4 | 09 | -3.5 | 07 | -7.1 | -9.1 | 08 | -5.0 | 06 | 5 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | 3.8 | 79 | 40 | 08 | |
| 第3半旬 | 11～15 | 0.0 | 3.2 | 6.2 | 11 | 1.0 | 14 | -3.1 | -5.3 | 15 | -1.0 | 11 | 3 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 4.1 | 67 | 34 | 13 | |
| 第4半旬 | 16～20 | 0.3 | 3.2 | 6.2 | 17 | 1.0 | 19 | -3.3 | -5.9 | 16 | 1.0 | 17 | 3 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.3 | 83 | 31 | 19 | |
| 第5半旬 | 21～25 | 0.5 | 3.8 | 5.4 | 24 | 2.3 | 21 | -2.2 | -3.3 | 23 | -0.6 | 25 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 4.8 | 76 | 34 | 22 | |
| 第6半旬 | 26～31 | 1.0 | 3.6 | 9.9 | 31 | 0.6 | 27 | -1.3 | -2.8 | 29 | 1.2 | 31 | 3 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5.8 | 87 | 51 | 31 | |
| 第1半旬 | 1～ 5 | 0.3 | 3.9 | 8.3 | 05 | 0.0 | 03 | -2.7 | -3.9 | 03 | -0.8 | 01 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 4.2 | 69 | 31 | 05 | |
| 第2半旬 | 6～10 | 3.4 | 6.9 | 11.8 | 06 | 3.7 | 10 | 0.6 | -1.5 | 09 | 2.7 | 07 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.3 | 81 | 50 | 06 | |
| 第3半旬 | 11～15 | 3.8 | 8.3 | 10.3 | 14 | 5.5 | 12 | 0.4 | -1.2 | 11 | 2.1 | 14 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5.4 | 69 | 31 | 13 | |
| 第4半旬 | 16～20 | 4.4 | 8.4 | 14.4 | 19 | 5.0 | 16 | 1.3 | -2.4 | 18 | 5.3 | 20 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.6 | 79 | 42 | 19 | |
| 第5半旬 | 21～25 | 2.7 | 5.7 | 7.3 | 25 | 3.2 | 23 | 0.6 | -0.9 | 24 | 2.8 | 21 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5.3 | 72 | 47 | 25* | |
| 第6半旬 | 26～30 | 5.0 | 8.7 | 11.1 | 30 | 6.0 | 28 | 2.0 | -0.3 | 26 | 3.2 | 27 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6.6 | 77 | 35 | 29* | |
| 第1半旬 | 1～ 5 | 5.3 | 9.1 | 13.6 | 02 | 5.9 | 03 | 1.5 | -0.4 | 02 | 2.7 | 04 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6.8 | 76 | 26 | 02 | |
| 第2半旬 | 6～10 | 6.8 | 11.5 | 14.9 | 09 | 6.8 | 06 | 3.0 | -0.4 | 06 | 5.7 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.6 | 87 | 48 | 09 | |
| 第3半旬 | 11～15 | 11.0 | 16.2 | 19.5 | 12 | 11.5 | 13 | 7.5 | 6.3 | 11 | 8.9 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 76 | 28 | 12 | |
| 第4半旬 | 16～20 | 9.7 | 16.2 | 20.5 | 18 | 11.7 | 16 | 5.9 | 3.7 | 20 | 7.7 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.5 | 88 | 47 | 19 | |
| 第5半旬 | 21～25 | 5.6 | 8.6 | 13.6 | 25 | 5.1 | 22* | 3.5 | 3.1 | 23 | 4.7 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 91 | 67 | 25 | |
| 第6半旬 | 26～31 | 11.5 | 16.5 | 23.8 | 30 | 10.9 | 31 | 6.9 | 5.2 | 26 | 8.8 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.5 | 86 | 39 | 30 | |
| 第1半旬 | 1～ 5 | 13.1 | 18.3 | 21.8 | 03 | 15.2 | 05 | 8.4 | 7.7 | 05 | 9.6 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.7 | 73 | 33 | 03 | |
| 第2半旬 | 6～10 | 10.6 | 14.9 | 18.6 | 06 | 13.1 | 10 | 7.4 | 6.6 | 09 | 8.1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.9 | 86 | 43 | 06 | |
| 第3半旬 | 11～15 | 11.5 | 16.5 | 21.3 | 14 | 13.7 | 12 | 7.7 | 6.1 | 14 | 8.9 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.8 | 88 | 48 | 14 | |
| 第4半旬 | 16～20 | 14.0 | 19.8 | 24.5 | 19 | 14.9 | 16 | 9.7 | 7.3 | 17 | 11.7 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.1 | 82 | 51 | 19* | |
| 第5半旬 | 21～25 | 15.0 | 20.4 | 26.6 | 23 | 15.6 | 25 | 10.8 | 8.4 | 25 | 12.7 | 23 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14.7 | 87 | 50 | 23 | |
| 第6半旬 | 26～30 | 11.6 | 15.7 | 18.0 | 30 | 13.2 | 26 | 9.0 | 7.0 | 27 | 12.2 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.3 | 96 | 74 | 27 | |
| 第1半旬 | 1～ 5 | 13.4 | 16.9 | 18.7 | 02 | 15.3 | 04 | 11.0 | 9.6 | 04 | 13.1 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.4 | 81 | 50 | 02 | |
| 第2半旬 | 6～10 | 14.6 | 17.6 | 22.8 | 08 | 13.6 | 06 | 12.5 | 10.9 | 06 | 13.6 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.8 | 89 | 47 | 08 | |
| 第3半旬 | 11～15 | 13.1 | 16.5 | 20.7 | 15 | 13.8 | 12 | 10.1 | 8.1 | 13* | 12.8 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.7 | 90 | 71 | 14 | |
| 第4半旬 | 16～20 | 17.2 | 21.3 | 23.0 | 16 | 20.2 | 20 | 13.9 | 11.3 | 16 | 15.3 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17.6 | 90 | 58 | 19 | |
| 第5半旬 | 21～25 | 18.8 | 24.0 | 31.4 | 25 | 18.9 | 22 | 14.9 | 12.7 | 21 | 18.0 | 25 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 18.3 | 84 | 55 | 25 | |
| 第6半旬 | 26～31 | 20.5 | 24.9 | 29.5 | 31 | 21.1 | 28* | 17.7 | 16.5 | 26 | 18.4 | 28 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 22.6 | 94 | 66 | 31 | |
| 第1半旬 | 1～ 5 | 20.6 | 24.7 | 27.3 | 01 | 21.1 | 03 | 18.2 | 16.9 | 02 | 19.0 | 05 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 22.7 | 94 | 66 | 04 | |
| 第2半旬 | 6～10 | 21.1 | 25.5 | 28.0 | 10 | 22.6 | 07 | 18.5 | 17.6 | 10 | 19.4 | 06 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 23.0 | 92 | 69 | 10 | |
| 第3半旬 | 11～15 | 19.3 | 22.5 | 24.2 | 15 | 20.7 | 11 | 16.7 | 15.8 | 15 | 17.5 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18.1 | 81 | 47 | 13 | |
| 第4半旬 | 16～20 | 17.7 | 21.2 | 24.3 | 18 | 17.0 | 20 | 14.6 | 12.4 | 20 | 16.6 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17.1 | 85 | 53 | 19 | |
| 第5半旬 | 21～25 | 17.0 | 20.2 | 21.0 | 25 | 18.9 | 24 | 14.5 | 13.4 | 23 | 15.7 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.2 | 84 | 55 | 21 | |
| 第6半旬 | 26～31 | 16.8 | 19.8 | 22.6 | 31 | 18.4 | 30 | 14.7 | 13.5 | 29 | 16.1 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.6 | 82 | 52 | 26 | |
| 第1半旬 | 1～ 5 | 19.0 | 23.0 | 26.3 | 03 | 19.5 | 05 | 15.9 | 13.6 | 05 | 17.2 | 01 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17.4 | 80 | 46 | 03 | |
| 第2半旬 | 6～10 | 17.2 | 20.8 | 23.0 | 09 | 17.6 | 06 | 14.7 | 14.1 | 10 | 15.3 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17.0 | 88 | 46 | 09 | |
| 第3半旬 | 11～15 | 16.4 | 19.8 | 22.9 | 12 | 17.1 | 14 | 13.5 | 11.1 | 15 | 15.8 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.6 | 79 | 41 | 15 | |
| 第4半旬 | 16～20 | 16.8 | 20.4 | 23.2 | 16 | 19.0 | 19 | 13.6 | 10.4 | 16 | 16.1 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.7 | 88 | 44 | 16 | |
| 第5半旬 | 21～25 | 14.9 | 17.5 | 20.9 | 23 | 15.3 | 22 | 13.1 | 11.8 | 25 | 13.7 | 23* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.3 | 91 | 67 | 23 | |
| 第6半旬 | 26～30 | 14.5 | 16.6 | 17.3 | 27 | 16.2 | 30 | 13.1 | 12.2 | 27 | 13.9 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.7 | 83 | 66 | 28* | |
| 第1半旬 | 1～ 5 | 12.7 | 15.5 | 17.4 | 02 | 13.9 | 04 | 10.2 | 6.9 | 05 | 12.8 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.8 | 80 | 53 | 01 | |
| 第2半旬 | 6～10 | 13.9 | 17.3 | 21.3 | 07 | 13.6 | 10* | 10.8 | 10.0 | 10 | 12.0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.4 | 84 | 43 | 07 | |
| 第3半旬 | 11～15 | 13.4 | 15.7 | 17.2 | 13 | 14.3 | 11 | 10.8 | 7.0 | 15 | 13.5 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.0 | 83 | 47 | 14 | |
| 第4半旬 | 16～20 | 12.1 | 15.7 | 17.6 | 20* | 11.1 | 17 | 8.3 | 4.4 | 18* | 13.8 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.2 | 77 | 39 | 18 | |
| 第5半旬 | 21～25 | 10.4 | 13.3 | 14.9 | 22 | 11.1 | 24 | 7.6 | 6.5 | 25 | 10.8 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 72 | 36 | 23 | |
| 第6半旬 | 26～31 | 8.6 | 11.7 | 17.0 | 29 | 5.7 | 27 | 5.5 | 0.9 | 28 | 11.9 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 72 | 37 | 26 | |
| 第1半旬 | 1～ 5 | 9.1 | 11.1 | 15.1 | 01 | 8.3 | 03 | 6.9 | 5.0 | 02 | 9.2 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.9 | 93 | 70 | 05 | |
| 第2半旬 | 6～10 | 9.1 | 12.6 | 13.9 | 09 | 10.1 | 08 | 4.8 | 1.9 | 08 | 6.2 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 83 | 52 | 08 | |
| 第3半旬 | 11～15 | 10.0 | 12.8 | 15.3 | 12* | 9.9 | 13 | 6.5 | 1.4 | 14 | 11.5 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.4 | 80 | 43 | 14 | |
| 第4半旬 | 16～20 | 5.4 | 9.2 | 10.6 | 20 | 6.8 | 16 | 1.7 | 1.3 | 17* | 2.7 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 66 | 31 | 16 | |
| 第5半旬 | 21～25 | 6.3 | 10.3 | 14.4 | 24 | 5.3 | 25 | 1.8 | 0.4 | 25 | 3.9 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 70 | 43 | 24 | |
| 第6半旬 | 26～30 | 1.8 | 5.1 | 12.2 | 27 | 0.0 | 29 | -1.7 | -3.5 | 29 | 0.7 | 27 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 4.5 | 60 | 33 | 29 | |
| 第1半旬 | 1～ 5 | 1.4 | 4.3 | 8.9 | 03 | 0.3 | 02 | -2.1 | -4.2 | 01 | -0.1 | 04 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5.3 | 78 | 45 | 01 | |
| 第2半旬 | 6～10 | 2.0 | 4.5 | 7.8 | 10 | 1.4 | 06 | -2.6 | -4.3 | 07 | -0.1 | 10 | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5.5 | 75 | 37 | 09 | |
| 第3半旬 | 11～15 | -0.9 | 2.1 | 8.5 | 11 | -0.7 | 14 | -4.1 | -7.6 | 15 | -2.2 | 13 | 3 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 4.0 | 68 | 38 | 11 | |
| 第4半旬 | 16～20 | 0.3 | 3.0 | 6.2 | 20 | 1.1 | 19 | -2.8 | -5.5 | 20 | 0.3 | 17 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.1 | 79 | 53 | 19* | |
| 第5半旬 | 21～25 | -2.1 | 1.3 | 6.1 | 21 | -3.4 | 22 | -6.1 | -9.0 | 23 | -3.3 | 24 | 4 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 3.5 | 64 | 35 | 22 | |
| 第6半旬 | 26～31 | -4.4 | -2.1 | 0.5 | 26 | -4.7 | 29 | -7.4 | -10.1 | 29 | -5.4 | 27 | 6 | 0 | 6 | 0 | 5 | 0 | 0 | 0 | 2.8 | 63 | 35 | 31 | |