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 193
観測回数 140,770
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 〜 2017年12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 = 131,769
[131,769 (93.61% / 93.72%)] [131,769 / 140,603 (93.72)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 4,812
[4,812 (3.42% / 3.42%)] [136,581 / 8,834 (97.14)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,739
[1,739 (1.24% / 1.24%)] [138,320 / 4,022 (98.38)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 845
[845 (0.60% / 0.60%)] [139,165 / 2,283 (98.98)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 436
[436 (0.31% / 0.31%)] [139,601 / 1,438 (99.29)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 299
[299 (0.21% / 0.21%)] [139,900 / 1,002 (99.50)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 188
[188 (0.13% / 0.13%)] [140,088 / 703 (99.63)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 130
[130 (0.09% / 0.09%)] [140,218 / 515 (99.73)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 102
[102 (0.07% / 0.07%)] [140,320 / 385 (99.80)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 60
[60 (0.04% / 0.04%)] [140,380 / 283 (99.84)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 49
[49 (0.03% / 0.03%)] [140,429 / 223 (99.88)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 25
[25 (0.02% / 0.02%)] [140,454 / 174 (99.89)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 25
[25 (0.02% / 0.02%)] [140,479 / 149 (99.91)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 23
[23 (0.02% / 0.02%)] [140,502 / 124 (99.93)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 20
[20 (0.01% / 0.01%)] [140,522 / 101 (99.94)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 13
[13 (0.01% / 0.01%)] [140,535 / 81 (99.95)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 9
[9 (0.01% / 0.01%)] [140,544 / 68 (99.96)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 8
[8 (0.01% / 0.01%)] [140,552 / 59 (99.96)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 7
[7 (0.00% / 0.00%)] [140,559 / 51 (99.97)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 6
[6 (0.00% / 0.00%)] [140,565 / 44 (99.97)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 3
[3 (0.00% / 0.00%)] [140,568 / 38 (99.98)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 6
[6 (0.00% / 0.00%)] [140,574 / 35 (99.98)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [140,577 / 29 (99.98)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 2
[2 (0.00% / 0.00%)] [140,579 / 26 (99.98)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 4
[4 (0.00% / 0.00%)] [140,583 / 24 (99.99)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 3
[3 (0.00% / 0.00%)] [140,586 / 20 (99.99)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 1
[1 (0.00% / 0.00%)] [140,587 / 17 (99.99)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [140,589 / 16 (99.99)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 2
[2 (0.00% / 0.00%)] [140,591 / 14 (99.99)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 1
[1 (0.00% / 0.00%)] [140,592 / 12 (99.99)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [140,593 / 11 (99.99)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [140,594 / 10 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [140,595 / 9 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [140,596 / 8 (100.00)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [140,597 / 7 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [140,598 / 6 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [140,600 / 5 (100.00)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [140,601 / 3 (100.00)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [140,602 / 2 (100.00)]
62.5mm - 63.4mm 62.5mm - 63.4mm = 1
[1 (0.00% / 0.00%)] [140,603 / 1 (100.00)]

欠測回数 (167 / 0.12%)

風向

静穏 静穏 = 5,474
[5,474 (3.89% / 3.89%)]
北北東 北北東 = 16,949
[16,949 (12.04% / 12.06%)]
北東 北東 = 8,791
[8,791 (6.24% / 6.25%)]
東北東 東北東 = 6,877
[6,877 (4.89% / 4.89%)]
東 = 7,387
[7,387 (5.25% / 5.26%)]
東南東 東南東 = 4,953
[4,953 (3.52% / 3.52%)]
南東 南東 = 7,179
[7,179 (5.10% / 5.11%)]
南南東 南南東 = 12,712
[12,712 (9.03% / 9.04%)]
南 = 10,894
[10,894 (7.74% / 7.75%)]
南南西 南南西 = 4,688
[4,688 (3.33% / 3.34%)]
南西 南西 = 2,916
[2,916 (2.07% / 2.07%)]
西南西 西南西 = 3,092
[3,092 (2.20% / 2.20%)]
西 西 = 4,667
[4,667 (3.32% / 3.32%)]
西北西 西北西 = 5,238
[5,238 (3.72% / 3.73%)]
北西 北西 = 6,664
[6,664 (4.73% / 4.74%)]
北北西 北北西 = 9,918
[9,918 (7.05% / 7.06%)]
北 = 22,154
[22,154 (15.74% / 15.76%)]

欠測回数 (217 / 0.15%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 6,642
[6,642 (4.72% / 4.73%)] [6,642 / 140,553 (4.73)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 41,962
[41,962 (29.81% / 29.85%)] [48,604 / 133,911 (34.58)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 44,183
[44,183 (31.39% / 31.44%)] [92,787 / 91,949 (66.02)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 21,825
[21,825 (15.50% / 15.53%)] [114,612 / 47,766 (81.54)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 11,712
[11,712 (8.32% / 8.33%)] [126,324 / 25,941 (89.88)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 5,999
[5,999 (4.26% / 4.27%)] [132,323 / 14,229 (94.14)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,180
[3,180 (2.26% / 2.26%)] [135,503 / 8,230 (96.41)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,827
[1,827 (1.30% / 1.30%)] [137,330 / 5,050 (97.71)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,142
[1,142 (0.81% / 0.81%)] [138,472 / 3,223 (98.52)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 815
[815 (0.58% / 0.58%)] [139,287 / 2,081 (99.10)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 532
[532 (0.38% / 0.38%)] [139,819 / 1,266 (99.48)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 355
[355 (0.25% / 0.25%)] [140,174 / 734 (99.73)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 207
[207 (0.15% / 0.15%)] [140,381 / 379 (99.88)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 105
[105 (0.07% / 0.07%)] [140,486 / 172 (99.95)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 47
[47 (0.03% / 0.03%)] [140,533 / 67 (99.99)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 14
[14 (0.01% / 0.01%)] [140,547 / 20 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [140,551 / 6 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [140,552 / 2 (100.00)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 1
[1 (0.00% / 0.00%)] [140,553 / 1 (100.00)]

欠測回数 (217 / 0.15%)

気温

-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 140,560 (0.00)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [2 / 140,559 (0.00)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 13
[13 (0.01% / 0.01%)] [15 / 140,558 (0.01)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 43
[43 (0.03% / 0.03%)] [58 / 140,545 (0.04)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 109
[109 (0.08% / 0.08%)] [167 / 140,502 (0.12)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 282
[282 (0.20% / 0.20%)] [449 / 140,393 (0.32)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 557
[557 (0.40% / 0.40%)] [1,006 / 140,111 (0.72)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 901
[901 (0.64% / 0.64%)] [1,907 / 139,554 (1.36)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 1,316
[1,316 (0.93% / 0.94%)] [3,223 / 138,653 (2.29)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 1,782
[1,782 (1.27% / 1.27%)] [5,005 / 137,337 (3.56)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 5,027
[5,027 (3.57% / 3.58%)] [10,032 / 135,555 (7.14)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 3,447
[3,447 (2.45% / 2.45%)] [13,479 / 130,528 (9.59)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 3,780
[3,780 (2.69% / 2.69%)] [17,259 / 127,081 (12.28)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 3,971
[3,971 (2.82% / 2.83%)] [21,230 / 123,301 (15.10)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 4,136
[4,136 (2.94% / 2.94%)] [25,366 / 119,330 (18.05)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 4,324
[4,324 (3.07% / 3.08%)] [29,690 / 115,194 (21.12)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 4,543
[4,543 (3.23% / 3.23%)] [34,233 / 110,870 (24.35)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 4,653
[4,653 (3.31% / 3.31%)] [38,886 / 106,327 (27.67)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 4,510
[4,510 (3.20% / 3.21%)] [43,396 / 101,674 (30.87)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 4,706
[4,706 (3.34% / 3.35%)] [48,102 / 97,164 (34.22)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 4,300
[4,300 (3.05% / 3.06%)] [52,402 / 92,458 (37.28)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 4,179
[4,179 (2.97% / 2.97%)] [56,581 / 88,158 (40.25)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 4,158
[4,158 (2.95% / 2.96%)] [60,739 / 83,979 (43.21)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 4,162
[4,162 (2.96% / 2.96%)] [64,901 / 79,821 (46.17)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 4,289
[4,289 (3.05% / 3.05%)] [69,190 / 75,659 (49.22)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 4,427
[4,427 (3.14% / 3.15%)] [73,617 / 71,370 (52.37)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 4,649
[4,649 (3.30% / 3.31%)] [78,266 / 66,943 (55.68)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 4,891
[4,891 (3.47% / 3.48%)] [83,157 / 62,294 (59.16)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 5,035
[5,035 (3.58% / 3.58%)] [88,192 / 57,403 (62.74)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 5,237
[5,237 (3.72% / 3.73%)] [93,429 / 52,368 (66.47)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 5,584
[5,584 (3.97% / 3.97%)] [99,013 / 47,131 (70.44)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 5,390
[5,390 (3.83% / 3.83%)] [104,403 / 41,547 (74.28)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 5,319
[5,319 (3.78% / 3.78%)] [109,722 / 36,157 (78.06)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 5,461
[5,461 (3.88% / 3.89%)] [115,183 / 30,838 (81.95)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 5,403
[5,403 (3.84% / 3.84%)] [120,586 / 25,377 (85.79)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 4,849
[4,849 (3.44% / 3.45%)] [125,435 / 19,974 (89.24)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 3,707
[3,707 (2.63% / 2.64%)] [129,142 / 15,125 (91.88)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 2,826
[2,826 (2.01% / 2.01%)] [131,968 / 11,418 (93.89)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 2,156
[2,156 (1.53% / 1.53%)] [134,124 / 8,592 (95.42)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 1,717
[1,717 (1.22% / 1.22%)] [135,841 / 6,436 (96.64)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 1,452
[1,452 (1.03% / 1.03%)] [137,293 / 4,719 (97.68)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 1,132
[1,132 (0.80% / 0.81%)] [138,425 / 3,267 (98.48)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 927
[927 (0.66% / 0.66%)] [139,352 / 2,135 (99.14)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 652
[652 (0.46% / 0.46%)] [140,004 / 1,208 (99.60)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 336
[336 (0.24% / 0.24%)] [140,340 / 556 (99.84)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 171
[171 (0.12% / 0.12%)] [140,511 / 220 (99.97)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 47
[47 (0.03% / 0.03%)] [140,558 / 49 (100.00)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 2
[2 (0.00% / 0.00%)] [140,560 / 2 (100.00)]

欠測回数 (210 / 0.15%)

日照時間

0.0h 0.0h = 98,494
[98,494 (69.97% / 70.07%)] [98,494 / 140,571 (70.07)]
0.1h 0.1h = 3,011
[3,011 (2.14% / 2.14%)] [101,505 / 42,077 (72.21)]
0.2h 0.2h = 2,406
[2,406 (1.71% / 1.71%)] [103,911 / 39,066 (73.92)]
0.3h 0.3h = 2,028
[2,028 (1.44% / 1.44%)] [105,939 / 36,660 (75.36)]
0.4h 0.4h = 2,028
[2,028 (1.44% / 1.44%)] [107,967 / 34,632 (76.81)]
0.5h 0.5h = 1,938
[1,938 (1.38% / 1.38%)] [109,905 / 32,604 (78.18)]
0.6h 0.6h = 2,012
[2,012 (1.43% / 1.43%)] [111,917 / 30,666 (79.62)]
0.7h 0.7h = 2,223
[2,223 (1.58% / 1.58%)] [114,140 / 28,654 (81.20)]
0.8h 0.8h = 2,426
[2,426 (1.72% / 1.73%)] [116,566 / 26,431 (82.92)]
0.9h 0.9h = 3,247
[3,247 (2.31% / 2.31%)] [119,813 / 24,005 (85.23)]
1.0h 1.0h = 20,758
[20,758 (14.75% / 14.77%)] [140,571 / 20,758 (100.00)]

欠測回数 (199 / 0.14%)