東京地方 天気予報
降水確率精度検証結果一覧表
表の見方と注意事項
グラフ 戻る
2008/01
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/45 | 0/48 | 1/12 | 1/7 | 0/1 | 1/7 | 1/2 | 2/2 | 0/0 | 0/0 | 0/0 | 0 | 0 | 8 | 14 | 0 | 14 | 50 | 100 | | | |
| 2日前予報 | 0/0 | 0/15 | 0/9 | 0/1 | 0/0 | 2/4 | 0/0 | 0/1 | 1/1 | 0/0 | 0/0 | | 0 | 0 | 0 | | 50 | | 0 | 100 | | |
| 3日前予報 | 0/0 | 0/14 | 0/9 | 0/2 | 1/3 | 0/1 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 0 | 33 | 0 | 100 | 100 | | | |
| 4日前予報 | 0/0 | 0/14 | 0/9 | 1/3 | 0/1 | 2/3 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 33 | 0 | 67 | 0 | | | | |
| 5日前予報 | 0/0 | 0/14 | 0/10 | 2/4 | 0/0 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 50 | | 33 | | | | | |
| 6日前予報 | 0/0 | 0/10 | 0/9 | 1/5 | 1/4 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 20 | 25 | 33 | | | | | |
| 7日前予報 | 0/0 | 1/9 | 0/7 | 0/6 | 1/7 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 11 | 0 | 0 | 14 | 50 | | | | | |
2008/02
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/43 | 0/38 | 0/20 | 0/1 | 2/3 | 3/5 | 3/4 | 1/2 | 0/0 | 0/0 | 0/0 | 0 | 0 | 0 | 0 | 67 | 60 | 75 | 50 | | | |
| 2日前予報 | 0/0 | 0/14 | 1/8 | 1/2 | 0/0 | 1/2 | 2/2 | 1/1 | 0/0 | 0/0 | 0/0 | | 0 | 13 | 50 | | 50 | 100 | 100 | | | |
| 3日前予報 | 0/0 | 0/16 | 2/6 | 1/2 | 0/0 | 1/1 | 2/3 | 0/1 | 0/0 | 0/0 | 0/0 | | 0 | 33 | 50 | | 100 | 67 | 0 | | | |
| 4日前予報 | 0/0 | 0/17 | 1/2 | 1/3 | 0/2 | 2/2 | 1/2 | 1/1 | 0/0 | 0/0 | 0/0 | | 0 | 50 | 33 | 0 | 100 | 50 | 100 | | | |
| 5日前予報 | 0/0 | 0/14 | 1/4 | 0/3 | 1/3 | 3/3 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 25 | 0 | 33 | 100 | 50 | | | | |
| 6日前予報 | 0/0 | 0/14 | 2/5 | 0/4 | 1/2 | 2/3 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 40 | 0 | 50 | 67 | 100 | | | | |
| 7日前予報 | 0/0 | 0/13 | 3/10 | 0/2 | 0/0 | 3/4 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 30 | 0 | | 75 | | | | | |
2008/03
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/40 | 0/36 | 1/18 | 1/5 | 0/2 | 4/10 | 4/4 | 3/4 | 2/3 | 2/2 | 0/0 | 0 | 0 | 6 | 20 | 0 | 40 | 100 | 75 | 67 | 100 | |
| 2日前予報 | 0/0 | 0/10 | 2/8 | 0/3 | 3/4 | 0/1 | 0/1 | 3/3 | 1/1 | 0/0 | 0/0 | | 0 | 25 | 0 | 75 | 0 | 0 | 100 | 100 | | |
| 3日前予報 | 0/0 | 0/7 | 1/7 | 2/6 | 2/5 | 1/3 | 2/2 | 0/0 | 1/1 | 0/0 | 0/0 | | 0 | 14 | 33 | 40 | 33 | 100 | | 100 | | |
| 4日前予報 | 0/0 | 1/6 | 1/8 | 2/10 | 3/4 | 0/1 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | | 17 | 13 | 20 | 75 | 0 | 100 | 100 | | | |
| 5日前予報 | 0/0 | 1/5 | 1/10 | 3/8 | 2/5 | 1/2 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 20 | 10 | 38 | 40 | 50 | 100 | | | | |
| 6日前予報 | 0/0 | 1/5 | 1/8 | 3/10 | 3/5 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 20 | 13 | 30 | 60 | 33 | | | | | |
| 7日前予報 | 0/0 | 1/2 | 5/17 | 0/4 | 2/7 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 50 | 29 | 0 | 29 | 100 | | | | | |
2008/04
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/35 | 1/36 | 0/11 | 1/8 | 2/6 | 1/4 | 5/6 | 6/6 | 1/2 | 6/6 | 0/0 | 0 | 3 | 0 | 13 | 33 | 25 | 83 | 100 | 50 | 100 | |
| 2日前予報 | 0/0 | 1/12 | 0/5 | 0/0 | 0/2 | 1/1 | 3/3 | 3/3 | 3/3 | 1/1 | 0/0 | | 8 | 0 | | 0 | 100 | 100 | 100 | 100 | 100 | |
| 3日前予報 | 0/0 | 1/11 | 1/6 | 0/2 | 2/2 | 1/1 | 1/1 | 3/4 | 2/2 | 1/1 | 0/0 | | 9 | 17 | 0 | 100 | 100 | 100 | 75 | 100 | 100 | |
| 4日前予報 | 0/0 | 0/10 | 2/7 | 2/4 | 1/1 | 1/1 | 2/2 | 3/4 | 0/0 | 1/1 | 0/0 | | 0 | 29 | 50 | 100 | 100 | 100 | 75 | | 100 | |
| 5日前予報 | 0/0 | 0/6 | 1/6 | 3/8 | 2/3 | 0/0 | 4/5 | 2/2 | 0/0 | 0/0 | 0/0 | | 0 | 17 | 38 | 67 | | 80 | 100 | | | |
| 6日前予報 | 0/0 | 0/4 | 1/5 | 1/8 | 5/7 | 4/5 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 20 | 13 | 71 | 80 | 100 | | | | |
| 7日前予報 | 0/0 | 0/2 | 1/5 | 2/12 | 7/9 | 0/0 | 2/2 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 20 | 17 | 78 | | 100 | | | | |
2008/05
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/22 | 0/36 | 0/24 | 2/10 | 2/6 | 3/7 | 3/3 | 3/3 | 6/6 | 6/6 | 1/1 | 0 | 0 | 0 | 20 | 33 | 43 | 100 | 100 | 100 | 100 | 100 |
| 2日前予報 | 0/0 | 0/6 | 0/9 | 0/2 | 2/2 | 1/1 | 3/3 | 3/3 | 2/2 | 3/3 | 0/0 | | 0 | 0 | 0 | 100 | 100 | 100 | 100 | 100 | 100 | |
| 3日前予報 | 0/0 | 0/6 | 2/7 | 2/5 | 1/3 | 0/0 | 2/3 | 6/6 | 1/1 | 0/0 | 0/0 | | 0 | 29 | 40 | 33 | | 67 | 100 | 100 | | |
| 4日前予報 | 0/0 | 1/6 | 1/7 | 2/5 | 2/5 | 1/1 | 3/3 | 4/4 | 0/0 | 0/0 | 0/0 | | 17 | 14 | 40 | 40 | 100 | 100 | 100 | | | |
| 5日前予報 | 0/0 | 0/5 | 2/7 | 3/6 | 2/6 | 4/4 | 2/2 | 1/1 | 0/0 | 0/0 | 0/0 | | 0 | 29 | 50 | 33 | 100 | 100 | 100 | | | |
| 6日前予報 | 0/0 | 0/4 | 4/8 | 2/8 | 3/6 | 2/2 | 3/3 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 50 | 25 | 50 | 100 | 100 | | | | |
| 7日前予報 | 0/0 | 1/2 | 3/11 | 2/7 | 5/8 | 1/1 | 2/2 | 0/0 | 0/0 | 0/0 | 0/0 | | 50 | 27 | 29 | 63 | 100 | 100 | | | | |
2008/06
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/4 | 0/26 | 0/45 | 2/7 | 2/6 | 4/9 | 2/5 | 8/10 | 4/5 | 0/0 | 3/3 | 0 | 0 | 0 | 29 | 33 | 44 | 40 | 80 | 80 | | 100 |
| 2日前予報 | 0/0 | 0/2 | 0/7 | 1/4 | 0/2 | 0/4 | 3/3 | 3/3 | 2/3 | 2/2 | 0/0 | | 0 | 0 | 25 | 0 | 0 | 100 | 100 | 67 | 100 | |
| 3日前予報 | 0/0 | 0/0 | 0/7 | 1/8 | 1/3 | 0/1 | 4/6 | 2/2 | 2/2 | 1/1 | 0/0 | | | 0 | 13 | 33 | 0 | 67 | 100 | 100 | 100 | |
| 4日前予報 | 0/0 | 0/0 | 0/3 | 3/11 | 1/5 | 2/4 | 1/3 | 3/3 | 1/1 | 0/0 | 0/0 | | | 0 | 27 | 20 | 50 | 33 | 100 | 100 | | |
| 5日前予報 | 0/0 | 0/0 | 0/3 | 2/8 | 2/6 | 2/4 | 4/7 | 1/2 | 0/0 | 0/0 | 0/0 | | | 0 | 25 | 33 | 50 | 57 | 50 | | | |
| 6日前予報 | 0/0 | 0/0 | 1/3 | 2/10 | 1/3 | 3/7 | 3/6 | 1/1 | 0/0 | 0/0 | 0/0 | | | 33 | 20 | 33 | 43 | 50 | 100 | | | |
| 7日前予報 | 0/0 | 0/0 | 0/3 | 3/9 | 2/7 | 4/7 | 2/4 | 0/0 | 0/0 | 0/0 | 0/0 | | | 0 | 33 | 29 | 57 | 50 | | | | |
2008/07
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/4 | 1/41 | 2/33 | 2/21 | 1/8 | 2/14 | 0/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0 | 2 | 6 | 10 | 13 | 14 | 0 | | | | |
| 2日前予報 | 0/0 | 0/0 | 1/8 | 1/6 | 1/4 | 2/10 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | | | 13 | 17 | 25 | 20 | 33 | | | | |
| 3日前予報 | 0/0 | 0/2 | 0/6 | 2/8 | 2/4 | 2/5 | 0/5 | 0/0 | 0/1 | 0/0 | 0/0 | | 0 | 0 | 25 | 50 | 40 | 0 | | 0 | | |
| 4日前予報 | 0/0 | 0/0 | 0/5 | 2/8 | 3/9 | 0/2 | 1/5 | 0/0 | 0/2 | 0/0 | 0/0 | | | 0 | 25 | 33 | 0 | 20 | | 0 | | |
| 5日前予報 | 0/0 | 0/0 | 1/3 | 2/13 | 1/6 | 2/6 | 0/1 | 0/2 | 0/0 | 0/0 | 0/0 | | | 33 | 15 | 17 | 33 | 0 | 0 | | | |
| 6日前予報 | 0/0 | 0/0 | 0/1 | 2/15 | 2/8 | 2/5 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | | | 0 | 13 | 25 | 40 | 0 | | | | |
| 7日前予報 | 0/0 | 0/0 | 0/0 | 4/18 | 1/7 | 1/6 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | | | 22 | 14 | 17 | | | | | |
2008/08
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/3 | 1/32 | 3/32 | 3/17 | 5/8 | 14/22 | 7/8 | 1/2 | 0/0 | 0/0 | 0/0 | 0 | 3 | 9 | 18 | 63 | 64 | 88 | 50 | | | |
| 2日前予報 | 0/0 | 0/0 | 0/6 | 2/7 | 4/6 | 2/4 | 2/3 | 3/3 | 2/2 | 0/0 | 0/0 | | | 0 | 29 | 67 | 50 | 67 | 100 | 100 | | |
| 3日前予報 | 0/0 | 0/2 | 2/7 | 2/5 | 5/8 | 2/5 | 1/1 | 3/3 | 0/0 | 0/0 | 0/0 | | 0 | 29 | 40 | 63 | 40 | 100 | 100 | | | |
| 4日前予報 | 0/0 | 0/0 | 3/11 | 2/6 | 5/6 | 2/4 | 3/4 | 0/0 | 0/0 | 0/0 | 0/0 | | | 27 | 33 | 83 | 50 | 75 | | | | |
| 5日前予報 | 0/0 | 1/1 | 1/9 | 7/12 | 2/3 | 3/3 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | | 100 | 11 | 58 | 67 | 100 | 33 | | | | |
| 6日前予報 | 0/0 | 0/1 | 5/11 | 6/12 | 3/6 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 45 | 50 | 50 | 100 | | | | | |
| 7日前予報 | 0/0 | 0/0 | 6/13 | 7/14 | 1/3 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | | 46 | 50 | 33 | 100 | | | | | |
2008/09
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/14 | 0/31 | 1/25 | 4/18 | 1/6 | 7/16 | 3/4 | 5/5 | 0/0 | 1/1 | 0/0 | 0 | 0 | 4 | 22 | 17 | 44 | 75 | 100 | | 100 | |
| 2日前予報 | 0/0 | 0/3 | 0/5 | 0/2 | 2/6 | 4/7 | 2/3 | 2/2 | 2/2 | 0/0 | 0/0 | | 0 | 0 | 0 | 33 | 57 | 67 | 100 | 100 | | |
| 3日前予報 | 0/0 | 1/7 | 1/3 | 2/5 | 1/6 | 2/3 | 3/4 | 0/0 | 1/1 | 1/1 | 0/0 | | 14 | 33 | 40 | 17 | 67 | 75 | | 100 | 100 | |
| 4日前予報 | 0/0 | 0/3 | 2/7 | 3/7 | 0/5 | 3/4 | 1/1 | 1/1 | 2/2 | 0/0 | 0/0 | | 0 | 29 | 43 | 0 | 75 | 100 | 100 | 100 | | |
| 5日前予報 | 0/0 | 0/1 | 2/6 | 3/12 | 2/5 | 0/0 | 2/3 | 3/3 | 0/0 | 0/0 | 0/0 | | 0 | 33 | 25 | 40 | | 67 | 100 | | | |
| 6日前予報 | 0/0 | 0/0 | 1/3 | 4/15 | 4/7 | 1/2 | 2/3 | 0/0 | 0/0 | 0/0 | 0/0 | | | 33 | 27 | 57 | 50 | 67 | | | | |
| 7日前予報 | 0/0 | 0/0 | 0/3 | 5/14 | 5/10 | 1/2 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | | 0 | 36 | 50 | 50 | 100 | | | | |
2008/10
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/24 | 1/50 | 1/20 | 2/9 | 1/3 | 2/6 | 2/2 | 3/3 | 6/7 | 0/0 | 0/0 | 0 | 2 | 5 | 22 | 33 | 33 | 100 | 100 | 86 | | |
| 2日前予報 | 0/0 | 1/6 | 0/8 | 1/5 | 3/4 | 2/3 | 2/2 | 1/2 | 1/1 | 0/0 | 0/0 | | 17 | 0 | 20 | 75 | 67 | 100 | 50 | 100 | | |
| 3日前予報 | 0/0 | 0/7 | 0/6 | 3/6 | 3/5 | 2/4 | 2/2 | 0/0 | 1/1 | 0/0 | 0/0 | | 0 | 0 | 50 | 60 | 50 | 100 | | 100 | | |
| 4日前予報 | 0/0 | 0/6 | 2/9 | 3/6 | 2/3 | 3/5 | 0/0 | 1/2 | 0/0 | 0/0 | 0/0 | | 0 | 22 | 50 | 67 | 60 | | 50 | | | |
| 5日前予報 | 0/0 | 0/6 | 2/10 | 3/6 | 1/2 | 4/5 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 20 | 50 | 50 | 80 | 50 | | | | |
| 6日前予報 | 0/0 | 1/2 | 1/11 | 4/10 | 1/2 | 3/3 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | | 50 | 9 | 40 | 50 | 100 | 33 | | | | |
| 7日前予報 | 0/0 | 0/1 | 3/8 | 4/14 | 1/4 | 2/3 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 38 | 29 | 25 | 67 | 100 | | | | |
2008/11
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/24 | 0/50 | 0/16 | 3/12 | 1/2 | 2/7 | 1/4 | 0/1 | 2/2 | 2/2 | 0/0 | 0 | 0 | 0 | 25 | 50 | 29 | 25 | 0 | 100 | 100 | |
| 2日前予報 | 0/0 | 0/9 | 0/5 | 1/7 | 1/2 | 1/1 | 1/2 | 3/3 | 1/1 | 0/0 | 0/0 | | 0 | 0 | 14 | 50 | 100 | 50 | 100 | 100 | | |
| 3日前予報 | 0/0 | 0/5 | 0/9 | 0/4 | 4/6 | 1/3 | 1/1 | 1/1 | 1/1 | 0/0 | 0/0 | | 0 | 0 | 0 | 67 | 33 | 100 | 100 | 100 | | |
| 4日前予報 | 0/0 | 0/2 | 0/14 | 3/7 | 1/2 | 2/3 | 0/0 | 2/2 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 43 | 50 | 67 | | 100 | | | |
| 5日前予報 | 0/0 | 0/2 | 0/11 | 2/7 | 5/8 | 0/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 29 | 63 | 0 | 100 | | | | |
| 6日前予報 | 0/0 | 0/3 | 0/9 | 3/9 | 4/7 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 0 | 33 | 57 | 50 | | | | | |
| 7日前予報 | 0/0 | 0/1 | 1/9 | 3/12 | 3/7 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 11 | 25 | 43 | 100 | | | | | |
2008/12
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/42 | 0/47 | 2/16 | 1/4 | 1/2 | 2/5 | 3/3 | 3/3 | 1/1 | 1/1 | 0/0 | 0 | 0 | 13 | 25 | 50 | 40 | 100 | 100 | 100 | 100 | |
| 2日前予報 | 0/0 | 1/12 | 0/7 | 0/4 | 3/4 | 1/1 | 1/1 | 2/2 | 0/0 | 0/0 | 0/0 | | 8 | 0 | 0 | 75 | 100 | 100 | 100 | | | |
| 3日前予報 | 0/0 | 1/13 | 0/7 | 1/4 | 4/5 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 8 | 0 | 25 | 80 | 100 | 100 | | | | |
| 4日前予報 | 0/0 | 1/11 | 0/7 | 2/6 | 1/2 | 3/4 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 9 | 0 | 33 | 50 | 75 | 100 | | | | |
| 5日前予報 | 0/0 | 1/7 | 1/12 | 1/4 | 2/4 | 2/3 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | | 14 | 8 | 25 | 50 | 67 | 100 | | | | |
| 6日前予報 | 0/0 | 0/3 | 1/15 | 1/5 | 2/2 | 4/6 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 7 | 20 | 100 | 67 | | | | | |
| 7日前予報 | 0/0 | 0/2 | 3/17 | 3/7 | 1/3 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | | 0 | 18 | 43 | 33 | 50 | | | | | |
2008合計
| | 実際の降水日数／予報日数 | 実際の降水日数割合（%） |
| 予報降水確率 | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | 0% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| 1日前予報 | 0/300 | 4/471 | 11/272 | 22/119 | 18/53 | 45/112 | 34/48 | 35/41 | 22/26 | 18/18 | 4/4 | 0 | 1 | 4 | 18 | 34 | 40 | 71 | 85 | 85 | 100 | 100 |
| 2日前予報 | 0/0 | 3/89 | 4/85 | 7/43 | 19/36 | 17/39 | 20/26 | 24/26 | 15/16 | 6/6 | 0/0 | | 3 | 5 | 16 | 53 | 44 | 77 | 92 | 94 | 100 | |
| 3日前予報 | 0/0 | 3/90 | 9/80 | 16/57 | 26/50 | 13/28 | 20/30 | 16/18 | 9/10 | 3/3 | 0/0 | | 3 | 11 | 28 | 52 | 46 | 67 | 89 | 90 | 100 | |
| 4日前予報 | 0/0 | 3/75 | 12/89 | 26/76 | 19/45 | 21/34 | 14/23 | 16/18 | 3/5 | 1/1 | 0/0 | | 4 | 13 | 34 | 42 | 62 | 61 | 89 | 60 | 100 | |
| 5日前予報 | 0/0 | 3/61 | 12/91 | 31/91 | 22/51 | 22/34 | 18/28 | 7/10 | 0/0 | 0/0 | 0/0 | | 5 | 13 | 34 | 43 | 65 | 64 | 70 | | | |
| 6日前予報 | 0/0 | 2/46 | 17/88 | 29/111 | 30/59 | 25/42 | 11/19 | 1/1 | 0/0 | 0/0 | 0/0 | | 4 | 19 | 26 | 51 | 60 | 58 | 100 | | | |
| 7日前予報 | 0/0 | 3/32 | 25/103 | 33/119 | 29/72 | 17/30 | 8/10 | 0/0 | 0/0 | 0/0 | 0/0 | | 9 | 24 | 28 | 40 | 57 | 80 | | | | |
降水確率的中率のグラフ
戻る
Last updated 2009/01/01
連絡先：tf2