観測所番号 40231
都道府県 茨城県 [ 地域ポータル ]
所在地 茨城県筑西市西石田 (茨城県筑西市)
観測月数 177
観測回数 129,082
観測期間
期間 名前 緯度 経度 高度 風速計高さ
2001年12月10日 〜 2006年12月18日 下館 (シモダテ) 36.282N 139.988E 24m 6.5m
2006年12月19日 〜 2016年08月99日 下館 (シモダテ) 36.282N 139.988E 24m 6.5m
リアルタイムデータ アメラス(アメダス・ランキング・サービス)
過去の大雨データ アメダス集中豪雨
気象災害報告
台風接近履歴
近隣観測所
番号 名前 距離 方位
40181 門井(茨城県) 6.95km 35度
40242 筑波山(茨城県) 11.74km 122度
40243 筑波山(茨城県) 11.74km 122度
40281 下妻(茨城県) 13.23km 197度
41376 小山(栃木県) 15.49km 293度
40282 常総(茨城県) 18.77km 182度
40241 柿岡(茨城県) 18.78km 106度
41331 真岡(栃木県) 21.64km 359度
40246 愛宕山(茨城県) 24.00km 87度
40191 笠間(茨城県) 25.87km 60度
40221 古河(茨城県) 25.93km 250度
41371 栃木(栃木県) 27.51km 291度
40336 つくば(茨城県) 27.84km 153度
40905 つくば(茨城県) 27.84km 153度
40326 坂東(茨城県) 28.71km 197度
40341 土浦(茨城県) 28.81km 133度

全期間統計

降水量

0.0mm - 0.4mm 0.0mm - 0.4mm = 120,931
[120,931 (93.69% / 93.81%)] [120,931 / 128,915 (93.81%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 4,312
[4,312 (3.34% / 3.34%)] [125,243 / 7,984 (97.15%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,593
[1,593 (1.23% / 1.24%)] [126,836 / 3,672 (98.39%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 759
[759 (0.59% / 0.59%)] [127,595 / 2,079 (98.98%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 397
[397 (0.31% / 0.31%)] [127,992 / 1,320 (99.28%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 283
[283 (0.22% / 0.22%)] [128,275 / 923 (99.50%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 169
[169 (0.13% / 0.13%)] [128,444 / 640 (99.63%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 121
[121 (0.09% / 0.09%)] [128,565 / 471 (99.73%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 95
[95 (0.07% / 0.07%)] [128,660 / 350 (99.80%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 51
[51 (0.04% / 0.04%)] [128,711 / 255 (99.84%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 45
[45 (0.03% / 0.03%)] [128,756 / 204 (99.88%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 22
[22 (0.02% / 0.02%)] [128,778 / 159 (99.89%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 24
[24 (0.02% / 0.02%)] [128,802 / 137 (99.91%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 20
[20 (0.02% / 0.02%)] [128,822 / 113 (99.93%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 20
[20 (0.02% / 0.02%)] [128,842 / 93 (99.94%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 11
[11 (0.01% / 0.01%)] [128,853 / 73 (99.95%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 7
[7 (0.01% / 0.01%)] [128,860 / 62 (99.96%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 7
[7 (0.01% / 0.01%)] [128,867 / 55 (99.96%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 6
[6 (0.00% / 0.00%)] [128,873 / 48 (99.97%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 6
[6 (0.00% / 0.00%)] [128,879 / 42 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 3
[3 (0.00% / 0.00%)] [128,882 / 36 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 6
[6 (0.00% / 0.00%)] [128,888 / 33 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [128,891 / 27 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 2
[2 (0.00% / 0.00%)] [128,893 / 24 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 4
[4 (0.00% / 0.00%)] [128,897 / 22 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 3
[3 (0.00% / 0.00%)] [128,900 / 18 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 1
[1 (0.00% / 0.00%)] [128,901 / 15 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [128,903 / 14 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [128,904 / 12 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [128,905 / 11 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [128,906 / 10 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [128,907 / 9 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [128,908 / 8 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [128,909 / 7 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [128,910 / 6 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [128,912 / 5 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [128,913 / 3 (100.00%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [128,914 / 2 (100.00%)]
62.5mm - 63.4mm 62.5mm - 63.4mm = 1
[1 (0.00% / 0.00%)] [128,915 / 1 (100.00%)]

欠測回数 (167 / 0.13%)

風向

静穏 静穏 = 5,345
[5,345 (4.14% / 4.15%)] [0 / 0 (NA)]
北北東 北北東 = 15,408
[15,408 (11.94% / 11.96%)] [0 / 0 (NA)]
北東 北東 = 7,991
[7,991 (6.19% / 6.20%)] [0 / 0 (NA)]
東北東 東北東 = 6,326
[6,326 (4.90% / 4.91%)] [0 / 0 (NA)]
東 = 6,772
[6,772 (5.25% / 5.26%)] [0 / 0 (NA)]
東南東 東南東 = 4,518
[4,518 (3.50% / 3.51%)] [0 / 0 (NA)]
南東 南東 = 6,586
[6,586 (5.10% / 5.11%)] [0 / 0 (NA)]
南南東 南南東 = 11,691
[11,691 (9.06% / 9.07%)] [0 / 0 (NA)]
南 = 10,128
[10,128 (7.85% / 7.86%)] [0 / 0 (NA)]
南南西 南南西 = 4,342
[4,342 (3.36% / 3.37%)] [0 / 0 (NA)]
南西 南西 = 2,642
[2,642 (2.05% / 2.05%)] [0 / 0 (NA)]
西南西 西南西 = 2,846
[2,846 (2.20% / 2.21%)] [0 / 0 (NA)]
西 西 = 4,257
[4,257 (3.30% / 3.30%)] [0 / 0 (NA)]
西北西 西北西 = 4,699
[4,699 (3.64% / 3.65%)] [0 / 0 (NA)]
北西 北西 = 6,040
[6,040 (4.68% / 4.69%)] [0 / 0 (NA)]
北北西 北北西 = 8,982
[8,982 (6.96% / 6.97%)] [0 / 0 (NA)]
北 = 20,293
[20,293 (15.72% / 15.75%)] [0 / 0 (NA)]

欠測回数 (216 / 0.17%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 6,323
[6,323 (4.90% / 4.91%)] [6,323 / 128,866 (4.91%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 38,192
[38,192 (29.59% / 29.64%)] [44,515 / 122,543 (34.54%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 40,125
[40,125 (31.08% / 31.14%)] [84,640 / 84,351 (65.68%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 20,091
[20,091 (15.56% / 15.59%)] [104,731 / 44,226 (81.27%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 10,900
[10,900 (8.44% / 8.46%)] [115,631 / 24,135 (89.73%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 5,559
[5,559 (4.31% / 4.31%)] [121,190 / 13,235 (94.04%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,983
[2,983 (2.31% / 2.31%)] [124,173 / 7,676 (96.36%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,703
[1,703 (1.32% / 1.32%)] [125,876 / 4,693 (97.68%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,064
[1,064 (0.82% / 0.83%)] [126,940 / 2,990 (98.51%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 752
[752 (0.58% / 0.58%)] [127,692 / 1,926 (99.09%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 489
[489 (0.38% / 0.38%)] [128,181 / 1,174 (99.47%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 325
[325 (0.25% / 0.25%)] [128,506 / 685 (99.72%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 196
[196 (0.15% / 0.15%)] [128,702 / 360 (99.87%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 98
[98 (0.08% / 0.08%)] [128,800 / 164 (99.95%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 47
[47 (0.04% / 0.04%)] [128,847 / 66 (99.99%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 13
[13 (0.01% / 0.01%)] [128,860 / 19 (100.00%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [128,864 / 6 (100.00%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [128,865 / 2 (100.00%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 1
[1 (0.00% / 0.00%)] [128,866 / 1 (100.00%)]

欠測回数 (216 / 0.17%)

気温

-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 128,873 (0.00%)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [2 / 128,872 (0.00%)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 13
[13 (0.01% / 0.01%)] [15 / 128,871 (0.01%)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 40
[40 (0.03% / 0.03%)] [55 / 128,858 (0.04%)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 104
[104 (0.08% / 0.08%)] [159 / 128,818 (0.12%)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 269
[269 (0.21% / 0.21%)] [428 / 128,714 (0.33%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 517
[517 (0.40% / 0.40%)] [945 / 128,445 (0.73%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 840
[840 (0.65% / 0.65%)] [1,785 / 127,928 (1.39%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 1,197
[1,197 (0.93% / 0.93%)] [2,982 / 127,088 (2.31%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 1,634
[1,634 (1.27% / 1.27%)] [4,616 / 125,891 (3.58%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 4,590
[4,590 (3.56% / 3.56%)] [9,206 / 124,257 (7.14%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 3,164
[3,164 (2.45% / 2.46%)] [12,370 / 119,667 (9.60%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 3,503
[3,503 (2.71% / 2.72%)] [15,873 / 116,503 (12.32%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 3,667
[3,667 (2.84% / 2.85%)] [19,540 / 113,000 (15.16%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 3,823
[3,823 (2.96% / 2.97%)] [23,363 / 109,333 (18.13%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 3,973
[3,973 (3.08% / 3.08%)] [27,336 / 105,510 (21.21%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 4,154
[4,154 (3.22% / 3.22%)] [31,490 / 101,537 (24.43%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 4,213
[4,213 (3.26% / 3.27%)] [35,703 / 97,383 (27.70%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 4,091
[4,091 (3.17% / 3.17%)] [39,794 / 93,170 (30.88%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 4,246
[4,246 (3.29% / 3.29%)] [44,040 / 89,079 (34.17%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 3,911
[3,911 (3.03% / 3.03%)] [47,951 / 84,833 (37.21%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 3,755
[3,755 (2.91% / 2.91%)] [51,706 / 80,922 (40.12%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 3,805
[3,805 (2.95% / 2.95%)] [55,511 / 77,167 (43.07%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 3,819
[3,819 (2.96% / 2.96%)] [59,330 / 73,362 (46.04%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 3,931
[3,931 (3.05% / 3.05%)] [63,261 / 69,543 (49.09%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 4,089
[4,089 (3.17% / 3.17%)] [67,350 / 65,612 (52.26%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 4,293
[4,293 (3.33% / 3.33%)] [71,643 / 61,523 (55.59%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 4,489
[4,489 (3.48% / 3.48%)] [76,132 / 57,230 (59.08%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 4,614
[4,614 (3.57% / 3.58%)] [80,746 / 52,741 (62.66%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 4,824
[4,824 (3.74% / 3.74%)] [85,570 / 48,127 (66.40%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 5,153
[5,153 (3.99% / 4.00%)] [90,723 / 43,303 (70.40%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 4,945
[4,945 (3.83% / 3.84%)] [95,668 / 38,150 (74.23%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 4,825
[4,825 (3.74% / 3.74%)] [100,493 / 33,205 (77.98%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 4,998
[4,998 (3.87% / 3.88%)] [105,491 / 28,380 (81.86%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 4,969
[4,969 (3.85% / 3.86%)] [110,460 / 23,382 (85.71%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 4,460
[4,460 (3.46% / 3.46%)] [114,920 / 18,413 (89.17%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 3,391
[3,391 (2.63% / 2.63%)] [118,311 / 13,953 (91.80%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 2,574
[2,574 (1.99% / 2.00%)] [120,885 / 10,562 (93.80%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 1,971
[1,971 (1.53% / 1.53%)] [122,856 / 7,988 (95.33%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 1,582
[1,582 (1.23% / 1.23%)] [124,438 / 6,017 (96.56%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 1,358
[1,358 (1.05% / 1.05%)] [125,796 / 4,435 (97.61%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 1,048
[1,048 (0.81% / 0.81%)] [126,844 / 3,077 (98.43%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 855
[855 (0.66% / 0.66%)] [127,699 / 2,029 (99.09%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 621
[621 (0.48% / 0.48%)] [128,320 / 1,174 (99.57%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 335
[335 (0.26% / 0.26%)] [128,655 / 553 (99.83%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 169
[169 (0.13% / 0.13%)] [128,824 / 218 (99.96%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 47
[47 (0.04% / 0.04%)] [128,871 / 49 (100.00%)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 2
[2 (0.00% / 0.00%)] [128,873 / 2 (100.00%)]

欠測回数 (209 / 0.16%)

日照時間

0.0h 0.0h = 90,451
[90,451 (70.07% / 70.18%)] [90,451 / 128,886 (70.18%)]
0.1h 0.1h = 2,741
[2,741 (2.12% / 2.13%)] [93,192 / 38,435 (72.31%)]
0.2h 0.2h = 2,205
[2,205 (1.71% / 1.71%)] [95,397 / 35,694 (74.02%)]
0.3h 0.3h = 1,842
[1,842 (1.43% / 1.43%)] [97,239 / 33,489 (75.45%)]
0.4h 0.4h = 1,865
[1,865 (1.44% / 1.45%)] [99,104 / 31,647 (76.89%)]
0.5h 0.5h = 1,779
[1,779 (1.38% / 1.38%)] [100,883 / 29,782 (78.27%)]
0.6h 0.6h = 1,853
[1,853 (1.44% / 1.44%)] [102,736 / 28,003 (79.71%)]
0.7h 0.7h = 2,043
[2,043 (1.58% / 1.59%)] [104,779 / 26,150 (81.30%)]
0.8h 0.8h = 2,194
[2,194 (1.70% / 1.70%)] [106,973 / 24,107 (83.00%)]
0.9h 0.9h = 2,977
[2,977 (2.31% / 2.31%)] [109,950 / 21,913 (85.31%)]
1.0h 1.0h = 18,936
[18,936 (14.67% / 14.69%)] [128,886 / 18,936 (100.00%)]

欠測回数 (196 / 0.15%)