半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
昭和（南極) 2018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 | 0.5 | 2.0 | 2.9 | 03 | 0.9 | 01 | -1.1 | -2.5 | 01 | 0.5 | 03 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.1 | 81 | 58 | 02 | |
| 第2半旬 | 6～10 | -0.2 | 3.2 | 5.1 | 08 | 0.5 | 10 | -2.9 | -4.7 | 10 | -1.3 | 06 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 4.3 | 72 | 40 | 09 | |
| 第3半旬 | 11～15 | -1.4 | 0.9 | 2.6 | 13 | -0.1 | 15 | -3.8 | -5.0 | 11 | -1.9 | 15 | 5 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 4.2 | 76 | 44 | 11 | |
| 第4半旬 | 16～20 | -1.8 | 1.2 | 4.2 | 16 | -0.4 | 19 | -4.6 | -7.4 | 20 | -1.8 | 16 | 4 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 4.3 | 81 | 45 | 16 | |
| 第5半旬 | 21～25 | -2.5 | -0.4 | 1.6 | 23 | -1.9 | 22 | -5.4 | -9.0 | 22 | -2.5 | 25 | 5 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | 4.0 | 79 | 43 | 23 | |
| 第6半旬 | 26～31 | -0.4 | 1.8 | 5.2 | 27 | 0.6 | 26 | -2.9 | -5.8 | 30 | -1.3 | 26 | 5 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 4.4 | 74 | 32 | 27 | |
| 第1半旬 | 1～ 5 | -0.6 | 1.3 | 3.0 | 04 | -0.6 | 02 | -2.3 | -4.9 | 02 | 0.1 | 05 | 3 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 4.6 | 78 | 51 | 02* | |
| 第2半旬 | 6～10 | 0.2 | 1.0 | 2.3 | 07 | 0.0 | 09 | -0.5 | -1.3 | 10 | 0.2 | 07 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.5 | 89 | 65 | 06 | |
| 第3半旬 | 11～15 | -1.3 | 0.7 | 2.8 | 12 | -1.1 | 14 | -3.4 | -4.9 | 14 | -1.0 | 12 | 4 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 3.9 | 69 | 48 | 11 | |
| 第4半旬 | 16～20 | -3.0 | -0.8 | 1.5 | 16 | -3.8 | 18 | -5.6 | -9.4 | 18 | -3.7 | 20 | 5 | 0 | 5 | 0 | 4 | 0 | 0 | 0 | 3.2 | 65 | 47 | 20 | |
| 第5半旬 | 21～25 | -2.5 | -0.4 | 0.5 | 21 | -1.9 | 23 | -5.2 | -7.9 | 22 | -2.7 | 24 | 5 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 3.8 | 73 | 56 | 23* | |
| 第6半旬 | 26～28 | -2.9 | -1.4 | -0.4 | 27 | -2.0 | 26 | -4.4 | -4.9 | 27 | -3.8 | 28 | 3 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 3.3 | 67 | 51 | 27 | |
| 第1半旬 | 1～ 5 | -4.4 | -3.0 | -2.1 | 01 | -4.4 | 03 | -6.2 | -8.5 | 03 | -3.7 | 01 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.4 | 78 | 53 | 02 | |
| 第2半旬 | 6～10 | -5.1 | -3.6 | -2.1 | 10 | -5.4 | 09 | -8.6 | -12.4 | 10 | -4.8 | 06 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.5 | 82 | 45 | 07 | |
| 第3半旬 | 11～15 | -5.9 | -4.1 | -2.1 | 15 | -6.5 | 14 | -8.3 | -9.7 | 14 | -6.0 | 11 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.4 | 57 | 26 | 14 | |
| 第4半旬 | 16～20 | -7.0 | -4.7 | -0.3 | 16 | -8.9 | 18 | -10.5 | -15.2 | 18 | -2.7 | 16 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.9 | 73 | 48 | 19 | |
| 第5半旬 | 21～25 | -5.6 | -3.8 | -2.6 | 25 | -5.3 | 23 | -7.8 | -9.5 | 21 | -6.7 | 25 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.0 | 75 | 43 | 24 | |
| 第6半旬 | 26～31 | -7.0 | -5.2 | -1.7 | 26 | -7.5 | 30 | -8.9 | -11.3 | 29 | -4.6 | 26 | 6 | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 2.5 | 68 | 43 | 28* | |
| 第1半旬 | 1～ 5 | -5.7 | -4.5 | -3.4 | 03 | -6.6 | 05 | -6.9 | -9.8 | 05 | -4.8 | 03 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.8 | 70 | 43 | 05 | |
| 第2半旬 | 6～10 | -8.4 | -6.5 | -5.2 | 08 | -8.3 | 06 | -11.0 | -13.9 | 10 | -9.3 | 09 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.2 | 66 | 42 | 06 | |
| 第3半旬 | 11～15 | -8.4 | -6.4 | -3.1 | 14 | -12.6 | 11 | -11.1 | -17.7 | 12 | -4.9 | 14 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.4 | 70 | 33 | 15 | |
| 第4半旬 | 16～20 | -8.2 | -6.5 | -3.6 | 20 | -9.8 | 18 | -10.9 | -13.6 | 18 | -7.5 | 20 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.8 | 54 | 31 | 16 | |
| 第5半旬 | 21～25 | -8.6 | -6.8 | -3.9 | 21 | -10.3 | 23 | -10.8 | -13.9 | 24 | -6.3 | 21 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.5 | 75 | 53 | 25 | |
| 第6半旬 | 26～30 | -7.5 | -5.6 | -2.6 | 30 | -7.4 | 29 | -10.2 | -13.4 | 29 | -8.3 | 26 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.6 | 71 | 50 | 29* | |
| 第1半旬 | 1～ 5 | -13.1 | -9.4 | -2.1 | 01 | -17.5 | 05 | -16.9 | -29.6 | 05 | -8.3 | 01 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.9 | 71 | 49 | 03 | |
| 第2半旬 | 6～10 | -16.5 | -12.3 | -4.8 | 10 | -15.9 | 07 | -20.7 | -23.8 | 08 | -16.8 | 10 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.0 | 58 | 40 | 10 | |
| 第3半旬 | 11～15 | -12.6 | -9.2 | -3.5 | 11 | -12.7 | 15 | -18.0 | -21.8 | 14 | -15.5 | 11 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.1 | 46 | 27 | 11 | |
| 第4半旬 | 16～20 | -18.8 | -16.3 | -12.4 | 19 | -18.7 | 20 | -21.3 | -25.5 | 20 | -19.2 | 19 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.8 | 53 | 36 | 19 | |
| 第5半旬 | 21～25 | -16.0 | -13.3 | -7.8 | 22 | -21.7 | 21 | -20.9 | -29.3 | 21 | -14.2 | 23 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.3 | 62 | 39 | 25 | |
| 第6半旬 | 26～31 | -18.2 | -16.0 | -13.8 | 31 | -17.6 | 28 | -21.3 | -27.0 | 28 | -17.2 | 31 | 6 | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 0.8 | 55 | 39 | 29 | |
| 第1半旬 | 1～ 5 | -11.5 | -7.3 | -3.9 | 02 | -13.9 | 05 | -14.0 | -21.5 | 05 | -6.7 | 02 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.4 | 82 | 56 | 05 | |
| 第2半旬 | 6～10 | -14.0 | -10.6 | -8.6 | 09* | -14.8 | 06 | -17.0 | -22.5 | 10 | -12.0 | 08 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.6 | 70 | 46 | 10 | |
| 第3半旬 | 11～15 | -18.4 | -15.3 | -9.9 | 15 | -21.4 | 11 | -21.7 | -27.0 | 13 | -15.5 | 15 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.0 | 64 | 42 | 11 | |
| 第4半旬 | 16～20 | -10.4 | -7.3 | -3.4 | 17 | -13.6 | 20 | -13.6 | -21.2 | 20 | -7.6 | 17 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.6 | 54 | 35 | 19 | |
| 第5半旬 | 21～25 | -16.7 | -14.1 | -5.6 | 25 | -17.5 | 22 | -20.9 | -23.9 | 22 | -15.3 | 25 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.1 | 57 | 39 | 25* | |
| 第6半旬 | 26～30 | -7.9 | -5.3 | -3.4 | 30 | -7.2 | 26 | -10.4 | -12.0 | 29 | -7.5 | 30 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.8 | 82 | 55 | 27 | |
| 第1半旬 | 1～ 5 | -14.0 | -10.7 | -7.4 | 01 | -16.6 | 05 | -17.6 | -22.1 | 05 | -13.0 | 03 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.7 | 75 | 53 | 02 | |
| 第2半旬 | 6～10 | -18.8 | -17.0 | -15.7 | 10 | -19.2 | 06 | -20.7 | -24.4 | 06 | -18.7 | 10 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.1 | 79 | 54 | 07 | |
| 第3半旬 | 11～15 | -23.4 | -19.7 | -16.0 | 12 | -24.7 | 14 | -27.0 | -32.3 | 14* | -19.2 | 12 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.8 | 77 | 69 | 12 | |
| 第4半旬 | 16～20 | -19.4 | -16.3 | -12.6 | 18 | -19.6 | 16 | -24.2 | -28.9 | 17 | -18.3 | 19 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.1 | 74 | 46 | 17 | |
| 第5半旬 | 21～25 | -21.9 | -17.9 | -12.2 | 25 | -21.6 | 21 | -25.5 | -28.7 | 21 | -22.5 | 23 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.8 | 71 | 55 | 25 | |
| 第6半旬 | 26～31 | -11.3 | -8.6 | -5.1 | 27 | -12.4 | 30 | -14.3 | -19.1 | 26 | -9.5 | 28 | 6 | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 1.6 | 58 | 39 | 31 | |
| 第1半旬 | 1～ 5 | -20.8 | -15.6 | -8.3 | 01 | -25.8 | 04 | -26.2 | -31.3 | 04 | -15.0 | 01 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.8 | 62 | 36 | 01 | |
| 第2半旬 | 6～10 | -14.9 | -10.2 | -8.5 | 07 | -11.7 | 09 | -19.8 | -23.9 | 07 | -15.9 | 08 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.1 | 58 | 43 | 10 | |
| 第3半旬 | 11～15 | -9.6 | -7.9 | -6.4 | 12 | -10.5 | 13 | -12.1 | -12.9 | 11 | -10.9 | 12 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.9 | 65 | 50 | 15 | |
| 第4半旬 | 16～20 | -18.2 | -15.8 | -11.3 | 16 | -18.3 | 18 | -21.3 | -26.0 | 20 | -17.9 | 16 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.8 | 52 | 41 | 19 | |
| 第5半旬 | 21～25 | -18.8 | -16.1 | -12.7 | 25 | -20.1 | 21 | -23.6 | -27.4 | 21 | -17.6 | 25 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.7 | 52 | 35 | 23 | |
| 第6半旬 | 26～31 | -14.9 | -11.2 | -5.9 | 30* | -17.2 | 28 | -19.6 | -29.5 | 31 | -12.8 | 26 | 6 | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 1.8 | 83 | 58 | 29 | |
| 第1半旬 | 1～ 5 | -14.7 | -12.3 | -8.9 | 03 | -16.5 | 05 | -19.8 | -22.5 | 05 | -18.1 | 02 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.6 | 76 | 53 | 05 | |
| 第2半旬 | 6～10 | -22.6 | -19.9 | -19.0 | 07 | -20.9 | 09 | -25.8 | -28.1 | 10 | -22.4 | 08 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.7 | 65 | 47 | 06 | |
| 第3半旬 | 11～15 | -20.1 | -16.6 | -11.1 | 12 | -22.8 | 11 | -24.1 | -27.9 | 11 | -21.2 | 13 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.9 | 68 | 49 | 15 | |
| 第4半旬 | 16～20 | -16.5 | -12.3 | -4.4 | 20 | -18.5 | 16 | -22.1 | -31.1 | 17 | -6.7 | 20 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.8 | 77 | 48 | 17* | |
| 第5半旬 | 21～25 | -14.8 | -11.8 | -4.4 | 21 | -17.4 | 25 | -18.1 | -23.8 | 25 | -8.6 | 21 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.5 | 62 | 39 | 25* | |
| 第6半旬 | 26～30 | -25.6 | -22.3 | -19.5 | 27 | -26.2 | 30 | -30.7 | -32.8 | 30 | -28.8 | 27 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.5 | 71 | 46 | 26 | |
| 第1半旬 | 1～ 5 | -24.7 | -21.0 | -19.5 | 05 | -22.2 | 02 | -29.1 | -31.4 | 03 | -26.9 | 05 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.5 | 60 | 43 | 05* | |
| 第2半旬 | 6～10 | -20.6 | -17.4 | -15.6 | 10 | -19.0 | 07 | -23.9 | -26.2 | 07 | -20.1 | 10 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 0.7 | 62 | 45 | 08 | |
| 第3半旬 | 11～15 | -16.2 | -13.1 | -9.3 | 14 | -19.0 | 12 | -20.4 | -28.9 | 13 | -12.4 | 14 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.5 | 74 | 54 | 13 | |
| 第4半旬 | 16～20 | -11.6 | -8.3 | -2.4 | 20 | -17.8 | 17 | -17.0 | -24.4 | 17 | -6.5 | 20 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.6 | 84 | 49 | 18 | |
| 第5半旬 | 21～25 | -12.3 | -8.4 | -5.5 | 21 | -11.3 | 25 | -16.8 | -19.5 | 23 | -12.1 | 21 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.5 | 62 | 35 | 24 | |
| 第6半旬 | 26～31 | -11.7 | -8.8 | -4.4 | 29 | -13.6 | 26 | -16.4 | -25.1 | 26 | -9.5 | 30 | 6 | 0 | 6 | 0 | 6 | 0 | 0 | 0 | 1.9 | 69 | 43 | 27 | |
| 第1半旬 | 1～ 5 | -9.2 | -7.1 | -4.1 | 03 | -10.5 | 01 | -12.7 | -17.9 | 01 | -9.1 | 03 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.7 | 87 | 54 | 01 | |
| 第2半旬 | 6～10 | -11.2 | -7.3 | -5.9 | 07 | -9.7 | 09 | -16.0 | -21.4 | 09 | -13.9 | 10* | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 1.7 | 66 | 45 | 07 | |
| 第3半旬 | 11～15 | -8.8 | -6.2 | -3.5 | 13 | -9.2 | 11 | -12.2 | -15.1 | 11 | -9.2 | 15 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 2.4 | 74 | 52 | 14 | |
| 第4半旬 | 16～20 | -4.1 | -2.5 | -1.0 | 18 | -3.2 | 20 | -5.6 | -7.2 | 16 | -3.8 | 17 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 4.1 | 90 | 77 | 19 | |
| 第5半旬 | 21～25 | -3.5 | -1.6 | -0.6 | 21 | -2.7 | 24 | -6.3 | -9.6 | 21 | -3.7 | 25 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.9 | 81 | 56 | 21 | |
| 第6半旬 | 26～30 | -3.3 | -1.4 | 0.4 | 30 | -2.3 | 28* | -5.9 | -7.6 | 28 | -3.4 | 26 | 5 | 0 | 5 | 0 | 4 | 0 | 0 | 0 | 3.5 | 74 | 42 | 30 | |
| 第1半旬 | 1～ 5 | -2.9 | -0.6 | -0.2 | 04 | -1.1 | 05 | -6.1 | -8.0 | 04 | -4.2 | 05 | 5 | 0 | 5 | 0 | 5 | 0 | 0 | 0 | 3.5 | 70 | 47 | 03 | |
| 第2半旬 | 6～10 | -3.0 | -0.6 | 1.8 | 07 | -3.1 | 09 | -5.8 | -7.4 | 08 | -3.9 | 06 | 5 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | 3.6 | 73 | 41 | 07 | |
| 第3半旬 | 11～15 | -2.8 | 0.4 | 1.6 | 13 | -1.6 | 12 | -6.6 | -9.3 | 11 | -4.8 | 15 | 5 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 3.1 | 61 | 42 | 11 | |
| 第4半旬 | 16～20 | -1.1 | 1.6 | 4.9 | 18 | -1.6 | 20 | -4.2 | -5.4 | 16 | -3.0 | 19 | 4 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 3.6 | 64 | 36 | 17 | |
| 第5半旬 | 21～25 | -1.2 | 0.7 | 1.1 | 24* | 0.0 | 21 | -3.8 | -4.9 | 24 | -3.1 | 23 | 5 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 4.2 | 75 | 53 | 23 | |
| 第6半旬 | 26～31 | 0.1 | 1.6 | 3.9 | 26 | 0.1 | 29 | -1.1 | -2.5 | 26 | -0.7 | 28 | 3 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 4.9 | 80 | 46 | 26 | |