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 188
観測回数 137,098
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07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 = 128,444
[128,444 (93.69% / 93.80%)] [128,444 / 136,931 (93.80)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 4,609
[4,609 (3.36% / 3.37%)] [133,053 / 8,487 (97.17)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,682
[1,682 (1.23% / 1.23%)] [134,735 / 3,878 (98.40)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 806
[806 (0.59% / 0.59%)] [135,541 / 2,196 (98.98)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 418
[418 (0.30% / 0.31%)] [135,959 / 1,390 (99.29)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 294
[294 (0.21% / 0.21%)] [136,253 / 972 (99.50)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 182
[182 (0.13% / 0.13%)] [136,435 / 678 (99.64)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 126
[126 (0.09% / 0.09%)] [136,561 / 496 (99.73)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 96
[96 (0.07% / 0.07%)] [136,657 / 370 (99.80)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 55
[55 (0.04% / 0.04%)] [136,712 / 274 (99.84)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 48
[48 (0.04% / 0.04%)] [136,760 / 219 (99.88)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 24
[24 (0.02% / 0.02%)] [136,784 / 171 (99.89)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 25
[25 (0.02% / 0.02%)] [136,809 / 147 (99.91)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 22
[22 (0.02% / 0.02%)] [136,831 / 122 (99.93)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 20
[20 (0.01% / 0.01%)] [136,851 / 100 (99.94)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 12
[12 (0.01% / 0.01%)] [136,863 / 80 (99.95)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 9
[9 (0.01% / 0.01%)] [136,872 / 68 (99.96)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 8
[8 (0.01% / 0.01%)] [136,880 / 59 (99.96)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 7
[7 (0.01% / 0.01%)] [136,887 / 51 (99.97)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 6
[6 (0.00% / 0.00%)] [136,893 / 44 (99.97)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 3
[3 (0.00% / 0.00%)] [136,896 / 38 (99.97)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 6
[6 (0.00% / 0.00%)] [136,902 / 35 (99.98)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [136,905 / 29 (99.98)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 2
[2 (0.00% / 0.00%)] [136,907 / 26 (99.98)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 4
[4 (0.00% / 0.00%)] [136,911 / 24 (99.99)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 3
[3 (0.00% / 0.00%)] [136,914 / 20 (99.99)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 1
[1 (0.00% / 0.00%)] [136,915 / 17 (99.99)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [136,917 / 16 (99.99)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 2
[2 (0.00% / 0.00%)] [136,919 / 14 (99.99)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 1
[1 (0.00% / 0.00%)] [136,920 / 12 (99.99)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [136,921 / 11 (99.99)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [136,922 / 10 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [136,923 / 9 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [136,924 / 8 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [136,925 / 7 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [136,926 / 6 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [136,928 / 5 (100.00)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [136,929 / 3 (100.00)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [136,930 / 2 (100.00)]
62.5mm - 63.4mm 62.5mm - 63.4mm = 1
[1 (0.00% / 0.00%)] [136,931 / 1 (100.00)]

欠測回数 (167 / 0.12%)

風向

静穏 静穏 = 5,429
[5,429 (3.96% / 3.97%)]
北北東 北北東 = 16,449
[16,449 (12.00% / 12.02%)]
北東 北東 = 8,527
[8,527 (6.22% / 6.23%)]
東北東 東北東 = 6,703
[6,703 (4.89% / 4.90%)]
東 = 7,163
[7,163 (5.22% / 5.23%)]
東南東 東南東 = 4,823
[4,823 (3.52% / 3.52%)]
南東 南東 = 7,010
[7,010 (5.11% / 5.12%)]
南南東 南南東 = 12,493
[12,493 (9.11% / 9.13%)]
南 = 10,720
[10,720 (7.82% / 7.83%)]
南南西 南南西 = 4,607
[4,607 (3.36% / 3.37%)]
南西 南西 = 2,838
[2,838 (2.07% / 2.07%)]
西南西 西南西 = 3,012
[3,012 (2.20% / 2.20%)]
西 西 = 4,526
[4,526 (3.30% / 3.31%)]
西北西 西北西 = 5,075
[5,075 (3.70% / 3.71%)]
北西 北西 = 6,469
[6,469 (4.72% / 4.73%)]
北北西 北北西 = 9,591
[9,591 (7.00% / 7.01%)]
北 = 21,446
[21,446 (15.64% / 15.67%)]

欠測回数 (217 / 0.16%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 6,527
[6,527 (4.76% / 4.77%)] [6,527 / 136,881 (4.77)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 40,742
[40,742 (29.72% / 29.76%)] [47,269 / 130,354 (34.53)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 42,839
[42,839 (31.25% / 31.30%)] [90,108 / 89,612 (65.83)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 21,301
[21,301 (15.54% / 15.56%)] [111,409 / 46,773 (81.39)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 11,478
[11,478 (8.37% / 8.39%)] [122,887 / 25,472 (89.78)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 5,909
[5,909 (4.31% / 4.32%)] [128,796 / 13,994 (94.09)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,130
[3,130 (2.28% / 2.29%)] [131,926 / 8,085 (96.38)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,802
[1,802 (1.31% / 1.32%)] [133,728 / 4,955 (97.70)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,118
[1,118 (0.82% / 0.82%)] [134,846 / 3,153 (98.51)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 797
[797 (0.58% / 0.58%)] [135,643 / 2,035 (99.10)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 519
[519 (0.38% / 0.38%)] [136,162 / 1,238 (99.47)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 346
[346 (0.25% / 0.25%)] [136,508 / 719 (99.73)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 204
[204 (0.15% / 0.15%)] [136,712 / 373 (99.88)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 102
[102 (0.07% / 0.07%)] [136,814 / 169 (99.95)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 47
[47 (0.03% / 0.03%)] [136,861 / 67 (99.99)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 14
[14 (0.01% / 0.01%)] [136,875 / 20 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [136,879 / 6 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [136,880 / 2 (100.00)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 1
[1 (0.00% / 0.00%)] [136,881 / 1 (100.00)]

欠測回数 (217 / 0.16%)

気温

-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 136,888 (0.00)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [2 / 136,887 (0.00)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 13
[13 (0.01% / 0.01%)] [15 / 136,886 (0.01)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 43
[43 (0.03% / 0.03%)] [58 / 136,873 (0.04)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 108
[108 (0.08% / 0.08%)] [166 / 136,830 (0.12)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 281
[281 (0.20% / 0.21%)] [447 / 136,722 (0.33)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 546
[546 (0.40% / 0.40%)] [993 / 136,441 (0.73)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 889
[889 (0.65% / 0.65%)] [1,882 / 135,895 (1.37)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 1,291
[1,291 (0.94% / 0.94%)] [3,173 / 135,006 (2.32)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 1,749
[1,749 (1.28% / 1.28%)] [4,922 / 133,715 (3.60)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 4,903
[4,903 (3.58% / 3.58%)] [9,825 / 131,966 (7.18)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 3,373
[3,373 (2.46% / 2.46%)] [13,198 / 127,063 (9.64)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 3,711
[3,711 (2.71% / 2.71%)] [16,909 / 123,690 (12.35)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 3,880
[3,880 (2.83% / 2.83%)] [20,789 / 119,979 (15.19)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 4,069
[4,069 (2.97% / 2.97%)] [24,858 / 116,099 (18.16)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 4,231
[4,231 (3.09% / 3.09%)] [29,089 / 112,030 (21.25)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 4,440
[4,440 (3.24% / 3.24%)] [33,529 / 107,799 (24.49)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 4,510
[4,510 (3.29% / 3.29%)] [38,039 / 103,359 (27.79)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 4,394
[4,394 (3.21% / 3.21%)] [42,433 / 98,849 (31.00)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 4,586
[4,586 (3.35% / 3.35%)] [47,019 / 94,455 (34.35)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 4,198
[4,198 (3.06% / 3.07%)] [51,217 / 89,869 (37.42)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 4,043
[4,043 (2.95% / 2.95%)] [55,260 / 85,671 (40.37)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 4,048
[4,048 (2.95% / 2.96%)] [59,308 / 81,628 (43.33)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 4,056
[4,056 (2.96% / 2.96%)] [63,364 / 77,580 (46.29)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 4,144
[4,144 (3.02% / 3.03%)] [67,508 / 73,524 (49.32)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 4,301
[4,301 (3.14% / 3.14%)] [71,809 / 69,380 (52.46)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 4,574
[4,574 (3.34% / 3.34%)] [76,383 / 65,079 (55.80)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 4,777
[4,777 (3.48% / 3.49%)] [81,160 / 60,505 (59.29)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 4,898
[4,898 (3.57% / 3.58%)] [86,058 / 55,728 (62.87)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 5,096
[5,096 (3.72% / 3.72%)] [91,154 / 50,830 (66.59)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 5,425
[5,425 (3.96% / 3.96%)] [96,579 / 45,734 (70.55)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 5,226
[5,226 (3.81% / 3.82%)] [101,805 / 40,309 (74.37)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 5,143
[5,143 (3.75% / 3.76%)] [106,948 / 35,083 (78.13)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 5,302
[5,302 (3.87% / 3.87%)] [112,250 / 29,940 (82.00)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 5,227
[5,227 (3.81% / 3.82%)] [117,477 / 24,638 (85.82)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 4,719
[4,719 (3.44% / 3.45%)] [122,196 / 19,411 (89.27)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 3,577
[3,577 (2.61% / 2.61%)] [125,773 / 14,692 (91.88)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 2,726
[2,726 (1.99% / 1.99%)] [128,499 / 11,115 (93.87)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 2,090
[2,090 (1.52% / 1.53%)] [130,589 / 8,389 (95.40)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 1,676
[1,676 (1.22% / 1.22%)] [132,265 / 6,299 (96.62)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 1,413
[1,413 (1.03% / 1.03%)] [133,678 / 4,623 (97.66)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 1,109
[1,109 (0.81% / 0.81%)] [134,787 / 3,210 (98.47)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 904
[904 (0.66% / 0.66%)] [135,691 / 2,101 (99.13)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 643
[643 (0.47% / 0.47%)] [136,334 / 1,197 (99.60)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 336
[336 (0.25% / 0.25%)] [136,670 / 554 (99.84)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 169
[169 (0.12% / 0.12%)] [136,839 / 218 (99.96)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 47
[47 (0.03% / 0.03%)] [136,886 / 49 (100.00)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 2
[2 (0.00% / 0.00%)] [136,888 / 2 (100.00)]

欠測回数 (210 / 0.15%)

日照時間

0.0h 0.0h = 95,840
[95,840 (69.91% / 70.01%)] [95,840 / 136,899 (70.01)]
0.1h 0.1h = 2,925
[2,925 (2.13% / 2.14%)] [98,765 / 41,059 (72.14)]
0.2h 0.2h = 2,336
[2,336 (1.70% / 1.71%)] [101,101 / 38,134 (73.85)]
0.3h 0.3h = 1,957
[1,957 (1.43% / 1.43%)] [103,058 / 35,798 (75.28)]
0.4h 0.4h = 1,979
[1,979 (1.44% / 1.45%)] [105,037 / 33,841 (76.73)]
0.5h 0.5h = 1,891
[1,891 (1.38% / 1.38%)] [106,928 / 31,862 (78.11)]
0.6h 0.6h = 1,974
[1,974 (1.44% / 1.44%)] [108,902 / 29,971 (79.55)]
0.7h 0.7h = 2,172
[2,172 (1.58% / 1.59%)] [111,074 / 27,997 (81.14)]
0.8h 0.8h = 2,356
[2,356 (1.72% / 1.72%)] [113,430 / 25,825 (82.86)]
0.9h 0.9h = 3,187
[3,187 (2.32% / 2.33%)] [116,617 / 23,469 (85.18)]
1.0h 1.0h = 20,282
[20,282 (14.79% / 14.82%)] [136,899 / 20,282 (100.00)]

欠測回数 (199 / 0.15%)