半旬ごとの値
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室蘭（胆振地方) 1981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 | 21.3 | 47 | 1 | 4 | 5.4 | 25 | 16 | 02 | 3 | 2 | 1 | 0 | 0 | 0 | 30 | 03 | 5 | 5 | 5 | 5 | 4 | 0 | 0 | 6.9 | 0 | 2 | 3 | 0 | 0 | |
| 第2半旬 | 6～10 | 10.2 | 22 | 1 | 1 | 4.1 | 5 | 3 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 22 | 06 | 5 | 5 | 5 | 5 | 2 | 0 | 0 | 8.0 | 0 | 2 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 22.0 | 47 | 0 | 2 | 6.3 | 30 | 15 | 12 | 2 | 2 | 2 | 0 | 0 | 0 | 35 | 12 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 5.9 | 0 | 2 | 4 | 0 | 0 | |
| 第4半旬 | 16～20 | 22.3 | 47 | 0 | 4 | 6.8 | 4 | 2 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 20 | 5 | 5 | 5 | 5 | 4 | 0 | 0 | 6.4 | 0 | 0 | 5 | 0 | 0 | |
| 第5半旬 | 21～25 | 12.7 | 27 | 1 | 1 | 5.4 | 4 | 1 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 21 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 8.2 | 0 | 2 | 5 | 0 | 0 | |
| 第6半旬 | 26～31 | 24.9 | 42 | 0 | 4 | 7.1 | 9 | 8 | 27 | 1 | 1 | 0 | 0 | 0 | 0 | 30 | 27 | 6 | 6 | 6 | 6 | 6 | 0 | 0 | 8.0 | 0 | 2 | 6 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 20.0 | 40 | 0 | 2 | 7.6 | 17 | 14 | 04 | 1 | 1 | 1 | 0 | 0 | 0 | 39 | 04 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 7.4 | 0 | 1 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 27.4 | 54 | 0 | 3 | 9.3 | 1 | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 06 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 6.3 | 0 | 0 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 24.8 | 48 | 0 | 4 | 9.3 | 10 | 8 | 12 | 1 | 1 | 0 | 0 | 0 | 0 | 36 | 12 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 7.4 | 0 | 2 | 5 | 1 | 0 | |
| 第4半旬 | 16～20 | 19.9 | 37 | 0 | 2 | 7.7 | 14 | 7 | 19 | 3 | 1 | 0 | 0 | 0 | 0 | 31 | 19 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 7.2 | 0 | 2 | 5 | 0 | 0 | |
| 第5半旬 | 21～25 | 18.2 | 34 | 1 | 2 | 8.6 | 1 | 1 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 25* | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 8.0 | 0 | 3 | 4 | 0 | 0 | |
| 第6半旬 | 26～28 | 15.9 | 48 | 0 | 2 | 11.1 | 0 | 0 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 26 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 7.2 | 0 | 0 | 3 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 35.5 | 63 | 0 | 4 | 13.3 | 2 | 2 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 02* | 5 | 5 | 5 | 5 | 4 | 0 | 0 | 6.6 | 0 | 2 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 39.6 | 69 | 0 | 5 | 14.5 | 6 | 4 | 07 | 1 | 0 | 0 | 0 | 0 | 0 | 20 | 08* | 5 | 5 | 5 | 5 | 2 | 0 | 0 | 5.6 | 0 | 1 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 18.6 | 32 | 2 | 2 | 8.5 | 8 | 6 | 14 | 1 | 1 | 0 | 0 | 0 | 0 | 17 | 12* | 5 | 5 | 4 | 3 | 0 | 0 | 0 | 7.4 | 0 | 2 | 4 | 1 | 0 | |
| 第4半旬 | 16～20 | 41.8 | 70 | 0 | 4 | 17.1 | 0 | 0 | 17* | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 17* | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 3.8 | 1 | 0 | 2 | 0 | 0 | |
| 第5半旬 | 21～25 | 20.4 | 33 | 3 | 2 | 10.7 | 4 | 4 | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 25 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 7.0 | 1 | 3 | 2 | 1 | 0 | |
| 第6半旬 | 26～31 | 43.6 | 58 | 0 | 5 | 16.0 | 17 | 15 | 26 | 1 | 1 | 1 | 0 | 0 | 0 | 13 | 26 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 5.7 | 1 | 1 | 5 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 38.8 | 61 | 1 | 4 | 17.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 1 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 39.7 | 61 | 1 | 4 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 1 | 2 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 31.0 | 47 | 1 | 3 | 15.6 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 2 | 3 | 1 | 0 | |
| 第4半旬 | 16～20 | 27.5 | 41 | 1 | 3 | 16.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 36.3 | 53 | 0 | 3 | 16.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 1 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 45.1 | 65 | 1 | 4 | 21.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 1 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 39.9 | 57 | 1 | 4 | 18.6 | -- | -- | 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 | 38.0 | 53 | 1 | 4 | 19.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 2 | 0 | |||
| 第3半旬 | 11～15 | 23.3 | 32 | 2 | 3 | 15.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 3 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 35.9 | 49 | 1 | 2 | 17.2 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 32.5 | 44 | 2 | 3 | 18.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 2 | 2 | 0 | 1 | 0 | |||
| 第6半旬 | 26～31 | 36.9 | 41 | 2 | 4 | 15.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 38.7 | 51 | 0 | 3 | 21.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 1 | 1 | 0 | 3 | 0 | |||
| 第2半旬 | 6～10 | 2.9 | 4 | 3 | 0 | 9.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 4 | 0 | |||
| 第3半旬 | 11～15 | 17.9 | 24 | 2 | 1 | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 3 | 0 | 4 | 0 | |||
| 第4半旬 | 16～20 | 8.4 | 11 | 2 | 1 | 12.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 2 | 0 | |||
| 第5半旬 | 21～25 | 32.4 | 43 | 1 | 2 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 1 | 2 | 0 | 1 | 0 | |||
| 第6半旬 | 26～30 | 18.5 | 24 | 3 | 1 | 10.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 4.9 | 6 | 3 | 0 | 9.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 5 | 0 | |||
| 第2半旬 | 6～10 | 27.3 | 36 | 1 | 2 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 0 | 3 | 0 | |||
| 第3半旬 | 11～15 | 31.0 | 41 | 0 | 3 | 18.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 4 | 0 | 3 | 0 | |||
| 第4半旬 | 16～20 | 39.6 | 53 | 0 | 4 | 19.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 1 | 2 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 30.3 | 41 | 1 | 3 | 18.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 2 | 0 | 1 | 0 | |||
| 第6半旬 | 26～31 | 42.7 | 49 | 1 | 5 | 20.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 0 | 5 | 0 | |||
| 第1半旬 | 1～ 5 | 30.4 | 42 | 2 | 3 | 14.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 1 | 2 | 0 | 0 | 2 | |||
| 第2半旬 | 6～10 | 23.0 | 32 | 2 | 2 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 0 | 1 | 2 | |||
| 第3半旬 | 11～15 | 28.1 | 40 | 1 | 3 | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 3 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 14.1 | 20 | 1 | 1 | 11.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 4 | 0 | 0 | 2 | |||
| 第5半旬 | 21～25 | 16.9 | 25 | 3 | 2 | 9.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 37.8 | 47 | 2 | 4 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 1 | 2 | 0 | 1 | 1 | |||
| 第1半旬 | 1～ 5 | 16.7 | 26 | 1 | 1 | 9.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 3 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 40.3 | 63 | 1 | 4 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 2 | 1 | 0 | 0 | 1 | |||
| 第3半旬 | 11～15 | 34.4 | 55 | 0 | 4 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 1 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 54.4 | 88 | 0 | 5 | 19.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.3 | 4 | 0 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 41.8 | 69 | 0 | 5 | 15.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 25.3 | 43 | 0 | 3 | 11.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 30.3 | 52 | 1 | 4 | 11.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 35.1 | 61 | 0 | 4 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 35.8 | 64 | 0 | 4 | 11.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 2 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 35.0 | 64 | 0 | 4 | 11.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 1 | 1 | 0 | 0 | 2 | |||
| 第5半旬 | 21～25 | 29.5 | 55 | 0 | 4 | 9.2 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 2 | 0 | 0 | ||
| 第6半旬 | 26～31 | 39.1 | 62 | 0 | 4 | 9.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 1 | 1 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 24.6 | 48 | 0 | 4 | 7.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 19.3 | 38 | 0 | 2 | 6.8 | 1 | 1 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 09* | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 2 | 4 | 0 | 0 | |
| 第3半旬 | 11～15 | 18.0 | 37 | 1 | 2 | 6.2 | 0 | 0 | 12* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 2 | 0 | 0 | ||
| 第4半旬 | 16～20 | 15.2 | 31 | 1 | 2 | 5.5 | 0 | 0 | 18* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 2 | 3 | 0 | 0 | |
| 第5半旬 | 21～25 | 12.3 | 26 | 2 | 2 | 5.0 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 2 | 5 | 0 | 0 | |
| 第6半旬 | 26～30 | 16.2 | 35 | 0 | 2 | 4.9 | 0 | 0 | 30* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 3 | 5 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 11.6 | 25 | 0 | 1 | 4.3 | 0 | 0 | 05* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 2 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 9.6 | 21 | 0 | 0 | 4.0 | 0 | 0 | 10* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 11.4 | 25 | 0 | 1 | 3.8 | 5 | 5 | 14 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 14 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 4 | 3 | 0 | 0 | |
| 第4半旬 | 16～20 | 15.1 | 33 | 0 | 2 | 4.7 | 0 | 0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 3 | 4 | 0 | 0 | ||
| 第5半旬 | 21～25 | 17.7 | 39 | 0 | 3 | 4.6 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 3 | 4 | 0 | 0 | |
| 第6半旬 | 26～31 | 22.3 | 41 | 1 | 3 | 5.0 | 2 | 2 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 31 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 3 | 0 | 0 | |