半旬ごとの値
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留萌（留萌地方) 1991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 | 0.1 | 0 | 4 | 0 | 1.9 | 13 | 8 | 05 | 1 | 1 | 0 | 0 | 0 | 0 | 28 | 05 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 9.8 | 0 | 5 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 5.6 | 12 | 2 | 0 | 3.7 | 40 | 19 | 06 | 4 | 2 | 2 | 0 | 0 | 0 | 48 | 09 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 9.1 | 0 | 3 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 21.2 | 46 | 0 | 3 | 6.0 | 4 | 2 | 12* | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 11 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 7.5 | 0 | 2 | 3 | 0 | 0 | |
| 第4半旬 | 16～20 | 5.9 | 13 | 4 | 1 | 3.0 | 43 | 32 | 16 | 2 | 2 | 2 | 1 | 0 | 0 | 67 | 18 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.5 | 0 | 2 | 5 | 0 | 0 | |
| 第5半旬 | 21～25 | 6.6 | 14 | 1 | 0 | 4.3 | 11 | 6 | 23 | 2 | 1 | 0 | 0 | 0 | 0 | 41 | 23 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 9.6 | 0 | 5 | 5 | 0 | 0 | |
| 第6半旬 | 26～31 | 25.2 | 44 | 1 | 3 | 6.8 | 55 | 21 | 29 | 5 | 3 | 3 | 1 | 0 | 0 | 68 | 31 | 6 | 6 | 6 | 6 | 6 | 3 | 0 | 8.2 | 0 | 2 | 6 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 10.9 | 22 | 0 | 1 | 5.7 | 75 | 34 | 03 | 4 | 4 | 2 | 2 | 0 | 0 | 96 | 05 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.8 | 0 | 3 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 19.6 | 39 | 0 | 2 | 7.7 | 22 | 12 | 06 | 2 | 2 | 1 | 0 | 0 | 0 | 97 | 08* | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.5 | 0 | 3 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 12.8 | 25 | 0 | 2 | 7.1 | 40 | 15 | 11 | 3 | 3 | 3 | 0 | 0 | 0 | 104 | 13 | 5 | 5 | 5 | 5 | 5 | 5 | 1 | 8.7 | 0 | 3 | 5 | 0 | 0 | |
| 第4半旬 | 16～20 | 33.2 | 63 | 1 | 4 | 10.2 | 4 | 3 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 89 | 17 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 6.8 | 0 | 2 | 2 | 0 | 0 | |
| 第5半旬 | 21～25 | 8.4 | 16 | 2 | 1 | 6.3 | 18 | 17 | 22 | 1 | 1 | 1 | 0 | 0 | 0 | 95 | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 9.3 | 0 | 4 | 5 | 0 | 0 | |
| 第6半旬 | 26～28 | 4.8 | 15 | 1 | 0 | 6.5 | 9 | 8 | 26 | 1 | 1 | 0 | 0 | 0 | 0 | 94 | 26 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 9.4 | 0 | 2 | 3 | 0 | 1 | |
| 第1半旬 | 1～ 5 | 8.2 | 15 | 0 | 0 | 7.3 | 3 | 2 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 01 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 9.3 | 0 | 4 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 12.0 | 21 | 1 | 1 | 8.4 | 26 | 19 | 07 | 2 | 2 | 1 | 0 | 0 | 0 | 82 | 07 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 9.3 | 0 | 5 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 15.3 | 26 | 1 | 1 | 9.5 | 26 | 12 | 13 | 3 | 2 | 1 | 0 | 0 | 0 | 84 | 13 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 9.0 | 0 | 3 | 5 | 0 | 0 | |
| 第4半旬 | 16～20 | 12.5 | 21 | 2 | 1 | 8.3 | 7 | 3 | 17* | 2 | 0 | 0 | 0 | 0 | 0 | 80 | 16 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.9 | 0 | 4 | 4 | 0 | 0 | |
| 第5半旬 | 21～25 | 41.1 | 67 | 0 | 4 | 16.5 | 0 | 0 | 22* | 0 | 0 | 0 | 0 | 0 | 0 | 65 | 21 | 5 | 5 | 5 | 5 | 5 | 3 | 0 | 4.9 | 0 | 1 | 2 | 0 | 0 | |
| 第6半旬 | 26～31 | 25.3 | 34 | 1 | 2 | 12.7 | 4 | 3 | 29 | 1 | 0 | 0 | 0 | 0 | 0 | 40 | 26 | 6 | 6 | 6 | 6 | 6 | 0 | 0 | 8.3 | 0 | 4 | 5 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 34.8 | 55 | 0 | 4 | 16.2 | 1 | 1 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 01 | 4 | 4 | 3 | 3 | 2 | 0 | 0 | 6.0 | 0 | 2 | 1 | 0 | 0 | |
| 第2半旬 | 6～10 | 15.3 | 24 | 1 | 1 | 11.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 40.4 | 61 | 0 | 4 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 26.0 | 39 | 0 | 3 | 14.0 | 0 | 0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 1 | 2 | 0 | 0 | |
| 第5半旬 | 21～25 | 31.9 | 46 | 0 | 2 | 15.9 | 0 | 0 | 22* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 1 | 2 | 0 | ||
| 第6半旬 | 26～30 | 16.9 | 24 | 2 | 1 | 11.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 4 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 40.6 | 57 | 0 | 3 | 20.8 | 0 | 0 | 03* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 2 | 0 | 0 | ||
| 第2半旬 | 6～10 | 33.7 | 47 | 2 | 3 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 54.5 | 75 | 0 | 5 | 25.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 1 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 26.5 | 36 | 1 | 2 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 51.6 | 69 | 0 | 5 | 25.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 1 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 68.8 | 76 | 0 | 6 | 27.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 2 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 27.3 | 36 | 0 | 2 | 18.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 3 | 0 | 1 | 2 | |||
| 第2半旬 | 6～10 | 40.7 | 53 | 1 | 3 | 20.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 4.5 | 6 | 3 | 0 | 8.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 4 | 0 | 1 | 1 | |||
| 第4半旬 | 16～20 | 31.7 | 41 | 0 | 2 | 20.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 66.8 | 87 | 0 | 5 | 29.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.6 | 2 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 30.9 | 40 | 0 | 2 | 19.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 42.0 | 55 | 0 | 3 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 1 | 0 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 40.6 | 53 | 0 | 3 | 23.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 4 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 17.1 | 23 | 2 | 1 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 4 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 38.2 | 51 | 0 | 3 | 22.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 11.0 | 15 | 2 | 1 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 27.3 | 31 | 1 | 3 | 16.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 4 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 23.5 | 32 | 0 | 2 | 18.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 38.9 | 54 | 0 | 3 | 21.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 27.3 | 39 | 0 | 4 | 17.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 2 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 53.0 | 76 | 0 | 5 | 22.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 0 | 1 | 0 | 1 | 1 | |||
| 第5半旬 | 21～25 | 37.3 | 55 | 1 | 3 | 16.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 1 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 43.6 | 54 | 1 | 4 | 18.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 20.3 | 31 | 1 | 2 | 13.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 3 | 0 | |||
| 第2半旬 | 6～10 | 35.1 | 55 | 1 | 3 | 15.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 0 | 0 | 1 | |||
| 第3半旬 | 11～15 | 40.3 | 64 | 0 | 5 | 17.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 1 | 0 | 0 | 0 | 1 | |||
| 第4半旬 | 16～20 | 31.9 | 52 | 0 | 4 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 1 | 1 | 0 | 0 | 2 | |||
| 第5半旬 | 21～25 | 18.0 | 30 | 0 | 2 | 12.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 3 | 0 | 0 | 2 | |||
| 第6半旬 | 26～30 | 23.5 | 40 | 2 | 3 | 10.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 27.4 | 47 | 0 | 2 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 3 | 0 | 0 | 1 | |||
| 第2半旬 | 6～10 | 32.6 | 57 | 0 | 4 | 12.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 1 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 10.3 | 18 | 2 | 1 | 6.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 11.1 | 20 | 0 | 1 | 6.7 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 3 | 0 | 0 | 2 | ||
| 第5半旬 | 21～25 | 7.4 | 14 | 1 | 0 | 5.3 | 0 | 0 | 23* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 4 | 0 | 1 | 0 | ||
| 第6半旬 | 26～31 | 16.3 | 26 | 0 | 2 | 5.9 | 0 | 0 | 31* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 4 | 0 | 1 | 1 | ||
| 第1半旬 | 1～ 5 | 21.6 | 43 | 0 | 2 | 7.4 | 2 | 2 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 05 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 2 | 2 | 0 | 1 | |
| 第2半旬 | 6～10 | 1.7 | 3 | 2 | 0 | 2.6 | 2 | 2 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 06 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 3 | 0 | 0 | |
| 第3半旬 | 11～15 | 2.3 | 5 | 0 | 0 | 3.2 | 2 | 1 | 14* | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 15 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 5 | 5 | 0 | 1 | |
| 第4半旬 | 16～20 | 3.7 | 8 | 0 | 0 | 3.2 | 0 | 0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 16 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 2 | 0 | 0 | |
| 第5半旬 | 21～25 | 0.9 | 2 | 1 | 0 | 2.4 | 4 | 3 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 25* | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 4 | 4 | 0 | 0 | |
| 第6半旬 | 26～30 | 24.3 | 53 | 0 | 5 | 6.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 1 | 0 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 5.2 | 11 | 0 | 0 | 3.8 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 3 | 1 | 0 | 0 | ||
| 第2半旬 | 6～10 | 1.9 | 4 | 3 | 0 | 2.3 | 6 | 4 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | 09 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | 9.6 | 0 | 4 | 4 | 0 | 0 | |
| 第3半旬 | 11～15 | 3.7 | 8 | 1 | 0 | 3.1 | 8 | 4 | 12* | 2 | 0 | 0 | 0 | 0 | 0 | 11 | 12 | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 9.0 | 0 | 4 | 5 | 0 | 0 | |
| 第4半旬 | 16～20 | 1.7 | 4 | 1 | 0 | 2.3 | 9 | 8 | 18 | 1 | 1 | 0 | 0 | 0 | 0 | 9 | 18 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 9.6 | 0 | 5 | 4 | 0 | 0 | |
| 第5半旬 | 21～25 | 1.6 | 4 | 2 | 0 | 3.1 | 3 | 2 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 25 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 9.6 | 0 | 5 | 5 | 0 | 0 | |
| 第6半旬 | 26～31 | 8.4 | 16 | 3 | 1 | 3.5 | 77 | 24 | 30 | 5 | 5 | 5 | 1 | 0 | 0 | 56 | 30 | 6 | 6 | 6 | 6 | 5 | 1 | 0 | 8.2 | 0 | 4 | 6 | 0 | 0 | |