半旬ごとの値
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根室（根室地方) 1987年（半旬ごとの値） 詳細（日照・雪・その他）
| 月 | 半旬 | 日～日 | 日照時間(h) | 全天日射量 (MJ/㎡) | 雪(cm) | 雲量 | 大気現象 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日照率 | 各階級の日数 | 降雪 | 各階級の日数（降雪） | 最深積雪 | 各階級の日数（最深積雪） | 平均 | 各階級の日数 | 雪日数 | 霧日数 | 雷日数 | ||||||||||||||||||||
| 不照 | 日照率 ≧40% | 平均 | 合計 | 日合計の最大 | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | 値 | 日 | ≧0cm | ≧1cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ＜1.5 | ≧8.5 | ||||||||||
| 値 | 日 | ||||||||||||||||||||||||||||||
| 第1半旬 | 1～ 5 | 16.6 | 37 | 0 | 2 | 5.6 | 6 | 3 | 04* | 2 | 0 | 0 | 0 | 0 | 0 | 18 | 04 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 7.8 | 0 | 3 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 16.5 | 36 | 2 | 3 | 4.7 | 14 | 10 | 08 | 1 | 1 | 1 | 0 | 0 | 0 | 24 | 10* | 5 | 5 | 5 | 5 | 3 | 0 | 0 | 5.2 | 0 | 0 | 4 | 1 | 0 | |
| 第3半旬 | 11～15 | 24.3 | 53 | 1 | 3 | 6.6 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 11 | 5 | 5 | 5 | 5 | 1 | 0 | 0 | 6.5 | 0 | 1 | 5 | 0 | 0 | |
| 第4半旬 | 16～20 | 27.7 | 59 | 1 | 3 | 6.6 | 3 | 3 | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 19 | 16 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 5.0 | 0 | 1 | 3 | 1 | 0 | |
| 第5半旬 | 21～25 | 21.1 | 44 | 2 | 2 | 6.4 | 6 | 6 | 24 | 1 | 1 | 0 | 0 | 0 | 0 | 21 | 24 | 5 | 5 | 5 | 5 | 1 | 0 | 0 | 6.4 | 0 | 2 | 4 | 0 | 0 | |
| 第6半旬 | 26～31 | 38.1 | 65 | 0 | 4 | 8.4 | 2 | 2 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 30 | 6 | 6 | 6 | 6 | 0 | 0 | 0 | 4.3 | 1 | 0 | 3 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 28.3 | 57 | 1 | 3 | 8.3 | 0 | 0 | 05* | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 05* | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 4.4 | 1 | 0 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 36.8 | 73 | 0 | 4 | 10.2 | 2 | 2 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 08 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 4.5 | 1 | 0 | 3 | 1 | 0 | |
| 第3半旬 | 11～15 | 19.2 | 37 | 2 | 2 | 7.6 | 29 | 26 | 14 | 2 | 1 | 1 | 1 | 0 | 0 | 36 | 14 | 5 | 5 | 5 | 5 | 2 | 0 | 0 | 5.9 | 1 | 1 | 3 | 2 | 0 | |
| 第4半旬 | 16～20 | 47.9 | 91 | 0 | 5 | 13.8 | 1 | 1 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 16 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 2.6 | 2 | 0 | 4 | 0 | 0 | |
| 第5半旬 | 21～25 | 26.5 | 49 | 1 | 3 | 10.1 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 21 | 5 | 5 | 4 | 4 | 0 | 0 | 0 | 6.2 | 1 | 2 | 3 | 1 | 0 | |
| 第6半旬 | 26～28 | 22.9 | 69 | 0 | 2 | 12.9 | 1 | 1 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 27* | 3 | 3 | 3 | 2 | 0 | 0 | 0 | 5.3 | 1 | 1 | 2 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 35.7 | 64 | 0 | 4 | 12.4 | 2 | 2 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 05* | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 4.7 | 0 | 0 | 4 | 1 | 0 | |
| 第2半旬 | 6～10 | 45.3 | 79 | 0 | 5 | 15.7 | 0 | 0 | 07* | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 07* | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 3.7 | 1 | 0 | 1 | 0 | 0 | |
| 第3半旬 | 11～15 | 31.2 | 53 | 1 | 4 | 12.5 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 1 | 5 | 1 | 0 | |
| 第4半旬 | 16～20 | 30.3 | 51 | 1 | 3 | 13.3 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 1 | 1 | 0 | 0 | ||
| 第5半旬 | 21～25 | 22.1 | 36 | 1 | 2 | 11.4 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 3 | 3 | 3 | 0 | ||
| 第6半旬 | 26～31 | 40.9 | 55 | 1 | 4 | 15.1 | 6 | 4 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 31 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 5.6 | 1 | 1 | 3 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 34.3 | 54 | 0 | 4 | 15.2 | 0 | 0 | 05* | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 01 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 2 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 34.3 | 53 | 0 | 3 | 15.8 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 1 | 2 | 1 | 1 | 0 | |
| 第3半旬 | 11～15 | 31.5 | 48 | 0 | 4 | 16.0 | 1 | 1 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 0 | 5 | 1 | 0 | |
| 第4半旬 | 16～20 | 47.1 | 70 | 0 | 4 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 1 | 0 | 2 | 0 | |||
| 第5半旬 | 21～25 | 20.9 | 31 | 2 | 1 | 13.4 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 2 | 1 | 4 | 0 | |
| 第6半旬 | 26～30 | 41.4 | 59 | 0 | 5 | 19.6 | 0 | 0 | 27* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 0 | 2 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 23.9 | 34 | 1 | 2 | 15.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 58.4 | 81 | 0 | 5 | 23.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.8 | 3 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 47.1 | 65 | 0 | 5 | 21.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 0 | 0 | 3 | 1 | |||
| 第4半旬 | 16～20 | 36.8 | 50 | 0 | 3 | 20.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 23.1 | 31 | 1 | 2 | 16.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 43.4 | 48 | 0 | 4 | 20.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 2 | 0 | 4 | 0 | |||
| 第1半旬 | 1～ 5 | 47.9 | 63 | 1 | 4 | 22.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 1 | 1 | 0 | 4 | 0 | |||
| 第2半旬 | 6～10 | 24.6 | 32 | 1 | 2 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 7.5 | 10 | 3 | 0 | 10.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 3 | 0 | |||
| 第4半旬 | 16～20 | 32.2 | 42 | 0 | 4 | 21.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 1 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 39.7 | 52 | 0 | 3 | 22.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 3 | 0 | 3 | 0 | |||
| 第6半旬 | 26～30 | 8.8 | 11 | 2 | 1 | 13.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 2 | 0 | |||
| 第1半旬 | 1～ 5 | 20.6 | 27 | 1 | 2 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 0 | 5 | 0 | |||
| 第2半旬 | 6～10 | 9.7 | 13 | 2 | 1 | 11.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 5 | 0 | |||
| 第3半旬 | 11～15 | 16.6 | 22 | 1 | 1 | 14.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 3 | 0 | 5 | 0 | |||
| 第4半旬 | 16～20 | 3.6 | 5 | 3 | 0 | 11.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 5 | 0 | |||
| 第5半旬 | 21～25 | 4.9 | 7 | 4 | 0 | 10.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 4 | 0 | 5 | 0 | |||
| 第6半旬 | 26～31 | 27.8 | 32 | 0 | 3 | 15.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 2 | 0 | 3 | 1 | |||
| 第1半旬 | 1～ 5 | 0.1 | 0 | 4 | 0 | 8.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 2 | 0 | |||
| 第2半旬 | 6～10 | 34.0 | 48 | 1 | 3 | 18.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 4 | 0 | |||
| 第3半旬 | 11～15 | 23.3 | 33 | 0 | 2 | 17.0 ] | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 3 | 0 | 4 | 0 | |||
| 第4半旬 | 16～20 | 20.0 | 29 | 0 | 2 | 16.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 3 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 5.6 | 8 | 1 | 0 | 11.8 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 1 | 0 | |||
| 第6半旬 | 26～31 | 2.2 | 3 | 3 | 0 | 8.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 6 | 0 | 3 | 0 | |||
| 第1半旬 | 1～ 5 | 39.6 | 60 | 1 | 3 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 0 | 2 | 0 | |||
| 第2半旬 | 6～10 | 6.9 | 11 | 2 | 0 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 5 | 0 | 4 | 0 | |||
| 第3半旬 | 11～15 | 29.0 | 46 | 0 | 2 | 14.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 3 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 13.3 | 21 | 3 | 1 | 8.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 1 | 4 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 29.1 | 48 | 2 | 3 | 11.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 1 | 1 | 0 | 2 | 1 | |||
| 第6半旬 | 26～30 | 18.0 | 30 | 1 | 1 | 9.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 1 | 0 | 2 | 0 | |||
| 第1半旬 | 1～ 5 | 26.7 | 46 | 1 | 2 | 10.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 1 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 29.5 | 52 | 0 | 3 | 11.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 1 | 1 | 0 | 3 | 0 | |||
| 第3半旬 | 11～15 | 25.8 | 46 | 1 | 3 | 9.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 18.7 | 34 | 2 | 2 | 7.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 2 | 0 | 2 | 1 | |||
| 第5半旬 | 21～25 | 41.6 | 78 | 0 | 5 | 12.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 42.5 | 68 | 0 | 6 | 10.2 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 1 | 0 | 0 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 10.1 | 20 | 1 | 1 | 5.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 4 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 15.2 | 31 | 2 | 1 | 6.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 26.3 | 54 | 0 | 3 | 7.7 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 1 | 1 | 1 | 0 | 0 | ||
| 第4半旬 | 16～20 | 34.5 | 72 | 0 | 4 | 8.1 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 1 | 1 | 1 | 0 | 2 | ||
| 第5半旬 | 21～25 | 21.0 | 45 | 0 | 3 | 6.2 | 4 | 4 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 24 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 0 | 3 | 1 | 0 | |
| 第6半旬 | 26～30 | 31.2 | 67 | 0 | 4 | 7.3 | 0 | 0 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 2 | 1 | 3 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 30.3 | 66 | 1 | 4 | 6.6 | 10 | 7 | 04 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 05* | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 5.2 | 1 | 1 | 3 | 0 | 0 | |
| 第2半旬 | 6～10 | 30.0 | 66 | 0 | 4 | 7.1 | 0 | 0 | 07* | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 06 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 4.2 | 1 | 0 | 2 | 0 | 0 | |
| 第3半旬 | 11～15 | 26.2 | 58 | 0 | 3 | 6.0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 0 | 2 | 0 | 0 | ||
| 第4半旬 | 16～20 | 13.2 | 30 | 0 | 1 | 4.0 | 3 | 2 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 20* | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.8 | 1 | 0 | 4 | 0 | 0 | |
| 第5半旬 | 21～25 | 27.8 | 62 | 0 | 5 | 6.0 | 2 | 2 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 4.5 | 1 | 0 | 3 | 0 | 0 | |
| 第6半旬 | 26～31 | 28.5 | 53 | 2 | 4 | 4.9 | 24 | 20 | 30 | 2 | 1 | 1 | 1 | 0 | 0 | 21 | 30 | 6 | 6 | 2 | 2 | 2 | 0 | 0 | 7.3 | 0 | 3 | 5 | 2 | 0 | |