観測所番号 40221
都道府県 茨城県 [ 地域ポータル ]
所在地 茨城県古河市北町 (茨城県古河市)
観測月数 525
観測回数 383,486
観測期間
期間 名前 緯度 経度 高度 風速計高さ
1974年11月01日 〜 1978年01月10日 古河 (コガ) 36.203N 139.715E 20m 0.0m
1978年01月11日 〜 1987年10月27日 古河 (コガ) 36.203N 139.715E 20m 8.5m
1987年10月28日 〜 1989年10月23日 古河 (コガ) 36.203N 139.715E 20m 8.5m
1989年10月24日 〜 2008年01月15日 古河 (コガ) 36.202N 139.717E 20m 8.5m
2008年01月16日 〜 2010年01月04日 古河 (コガ) 36.202N 139.717E 20m 8.5m
2010年01月05日 〜 2019年09月99日 古河 (コガ) 36.202N 139.717E 20m 10.0m
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
43126 久喜(埼玉県) 14.74km 210度
41376 小山(栃木県) 18.19km 33度
42366 館林(群馬県) 18.82km 283度
41371 栃木(栃木県) 19.02km 356度
40281 下妻(茨城県) 20.85km 100度
41361 佐野(栃木県) 22.22km 323度
43121 鴻巣(埼玉県) 23.22km 229度
40326 坂東(茨城県) 24.38km 139度
41356 足利(栃木県) 24.58km 296度
40282 常総(茨城県) 25.64km 112度
40231 下館(茨城県) 25.93km 69度
41311 葛生(栃木県) 27.95km 335度

全期間統計

降水量

0.0mm - 0.4mm 0.0mm - 0.4mm = 357,736
[357,736 (93.29% / 93.90%)] [357,736 / 380,988 (93.90)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,015
[13,015 (3.39% / 3.42%)] [370,751 / 23,252 (97.31)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,609
[4,609 (1.20% / 1.21%)] [375,360 / 10,237 (98.52)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,147
[2,147 (0.56% / 0.56%)] [377,507 / 5,628 (99.09)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,119
[1,119 (0.29% / 0.29%)] [378,626 / 3,481 (99.38)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 654
[654 (0.17% / 0.17%)] [379,280 / 2,362 (99.55)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 410
[410 (0.11% / 0.11%)] [379,690 / 1,708 (99.66)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 297
[297 (0.08% / 0.08%)] [379,987 / 1,298 (99.74)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 198
[198 (0.05% / 0.05%)] [380,185 / 1,001 (99.79)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 157
[157 (0.04% / 0.04%)] [380,342 / 803 (99.83)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 112
[112 (0.03% / 0.03%)] [380,454 / 646 (99.86)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 89
[89 (0.02% / 0.02%)] [380,543 / 534 (99.88)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 68
[68 (0.02% / 0.02%)] [380,611 / 445 (99.90)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 66
[66 (0.02% / 0.02%)] [380,677 / 377 (99.92)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 43
[43 (0.01% / 0.01%)] [380,720 / 311 (99.93)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 37
[37 (0.01% / 0.01%)] [380,757 / 268 (99.94)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 32
[32 (0.01% / 0.01%)] [380,789 / 231 (99.95)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 15
[15 (0.00% / 0.00%)] [380,804 / 199 (99.95)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 27
[27 (0.01% / 0.01%)] [380,831 / 184 (99.96)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 24
[24 (0.01% / 0.01%)] [380,855 / 157 (99.97)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 12
[12 (0.00% / 0.00%)] [380,867 / 133 (99.97)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [380,878 / 121 (99.97)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 15
[15 (0.00% / 0.00%)] [380,893 / 110 (99.98)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 10
[10 (0.00% / 0.00%)] [380,903 / 95 (99.98)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [380,910 / 85 (99.98)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 9
[9 (0.00% / 0.00%)] [380,919 / 78 (99.98)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 9
[9 (0.00% / 0.00%)] [380,928 / 69 (99.98)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [380,930 / 60 (99.98)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [380,934 / 58 (99.99)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [380,940 / 54 (99.99)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 5
[5 (0.00% / 0.00%)] [380,945 / 48 (99.99)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [380,948 / 43 (99.99)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [380,954 / 40 (99.99)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [380,957 / 34 (99.99)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [380,961 / 31 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [380,965 / 27 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [380,970 / 23 (100.00)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [380,972 / 18 (100.00)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [380,973 / 16 (100.00)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [380,974 / 15 (100.00)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [380,975 / 14 (100.00)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [380,976 / 13 (100.00)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [380,977 / 12 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [380,980 / 11 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [380,983 / 8 (100.00)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [380,984 / 5 (100.00)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [380,985 / 4 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [380,986 / 3 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [380,987 / 2 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [380,988 / 1 (100.00)]

欠測回数 (2,498 / 0.65%)

風向

静穏 静穏 = 59,964
[59,964 (15.64% / 16.41%)]
北北東 北北東 = 43,277
[43,277 (11.29% / 11.85%)]
北東 北東 = 28,296
[28,296 (7.38% / 7.75%)]
東北東 東北東 = 15,259
[15,259 (3.98% / 4.18%)]
東 = 11,149
[11,149 (2.91% / 3.05%)]
東南東 東南東 = 25,880
[25,880 (6.75% / 7.08%)]
南東 南東 = 23,334
[23,334 (6.08% / 6.39%)]
南南東 南南東 = 18,059
[18,059 (4.71% / 4.94%)]
南 = 15,432
[15,432 (4.02% / 4.22%)]
南南西 南南西 = 8,243
[8,243 (2.15% / 2.26%)]
南西 南西 = 6,693
[6,693 (1.75% / 1.83%)]
西南西 西南西 = 9,406
[9,406 (2.45% / 2.57%)]
西 西 = 17,317
[17,317 (4.52% / 4.74%)]
西北西 西北西 = 32,735
[32,735 (8.54% / 8.96%)]
北西 北西 = 17,405
[17,405 (4.54% / 4.76%)]
北北西 北北西 = 11,378
[11,378 (2.97% / 3.11%)]
北 = 21,481
[21,481 (5.60% / 5.88%)]

欠測回数 (18,178 / 4.74%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 63,529
[63,529 (16.57% / 17.39%)] [63,529 / 365,363 (17.39)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 146,104
[146,104 (38.10% / 39.99%)] [209,633 / 301,834 (57.38)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 90,686
[90,686 (23.65% / 24.82%)] [300,319 / 155,730 (82.20)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 37,020
[37,020 (9.65% / 10.13%)] [337,339 / 65,044 (92.33)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 15,606
[15,606 (4.07% / 4.27%)] [352,945 / 28,024 (96.60)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 7,034
[7,034 (1.83% / 1.93%)] [359,979 / 12,418 (98.53)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,218
[3,218 (0.84% / 0.88%)] [363,197 / 5,384 (99.41)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,427
[1,427 (0.37% / 0.39%)] [364,624 / 2,166 (99.80)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 522
[522 (0.14% / 0.14%)] [365,146 / 739 (99.94)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 152
[152 (0.04% / 0.04%)] [365,298 / 217 (99.98)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 39
[39 (0.01% / 0.01%)] [365,337 / 65 (99.99)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 14
[14 (0.00% / 0.00%)] [365,351 / 26 (100.00)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 11
[11 (0.00% / 0.00%)] [365,362 / 12 (100.00)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [365,363 / 1 (100.00)]

欠測回数 (18,123 / 4.73%)

気温

-11.5℃ - -10.6℃ -11.5℃ - -10.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 365,344 (0.00)]
-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 2
[2 (0.00% / 0.00%)] [3 / 365,343 (0.00)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [4 / 365,341 (0.00)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 1
[1 (0.00% / 0.00%)] [5 / 365,340 (0.00)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 13
[13 (0.00% / 0.00%)] [18 / 365,339 (0.00)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 54
[54 (0.01% / 0.01%)] [72 / 365,326 (0.02)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 169
[169 (0.04% / 0.05%)] [241 / 365,272 (0.07)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 516
[516 (0.13% / 0.14%)] [757 / 365,103 (0.21)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,132
[1,132 (0.30% / 0.31%)] [1,889 / 364,587 (0.52)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,154
[2,154 (0.56% / 0.59%)] [4,043 / 363,455 (1.11)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,781
[3,781 (0.99% / 1.03%)] [7,824 / 361,301 (2.14)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 11,889
[11,889 (3.10% / 3.25%)] [19,713 / 357,520 (5.40)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 8,674
[8,674 (2.26% / 2.37%)] [28,387 / 345,631 (7.77)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 9,430
[9,430 (2.46% / 2.58%)] [37,817 / 336,957 (10.35)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 10,406
[10,406 (2.71% / 2.85%)] [48,223 / 327,527 (13.20)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 11,181
[11,181 (2.92% / 3.06%)] [59,404 / 317,121 (16.26)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 11,661
[11,661 (3.04% / 3.19%)] [71,065 / 305,940 (19.45)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 12,175
[12,175 (3.17% / 3.33%)] [83,240 / 294,279 (22.78)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 12,190
[12,190 (3.18% / 3.34%)] [95,430 / 282,104 (26.12)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 12,028
[12,028 (3.14% / 3.29%)] [107,458 / 269,914 (29.41)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 12,022
[12,022 (3.13% / 3.29%)] [119,480 / 257,886 (32.70)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 11,410
[11,410 (2.98% / 3.12%)] [130,890 / 245,864 (35.83)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 11,359
[11,359 (2.96% / 3.11%)] [142,249 / 234,454 (38.94)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 11,230
[11,230 (2.93% / 3.07%)] [153,479 / 223,095 (42.01)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 10,850
[10,850 (2.83% / 2.97%)] [164,329 / 211,865 (44.98)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 11,159
[11,159 (2.91% / 3.05%)] [175,488 / 201,015 (48.03)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 11,339
[11,339 (2.96% / 3.10%)] [186,827 / 189,856 (51.14)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 12,200
[12,200 (3.18% / 3.34%)] [199,027 / 178,517 (54.48)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 12,769
[12,769 (3.33% / 3.50%)] [211,796 / 166,317 (57.97)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 13,498
[13,498 (3.52% / 3.69%)] [225,294 / 153,548 (61.67)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 13,844
[13,844 (3.61% / 3.79%)] [239,138 / 140,050 (65.46)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 14,199
[14,199 (3.70% / 3.89%)] [253,337 / 126,206 (69.34)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 13,934
[13,934 (3.63% / 3.81%)] [267,271 / 112,007 (73.16)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 13,410
[13,410 (3.50% / 3.67%)] [280,681 / 98,073 (76.83)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 13,672
[13,672 (3.57% / 3.74%)] [294,353 / 84,663 (80.57)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 13,362
[13,362 (3.48% / 3.66%)] [307,715 / 70,991 (84.23)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 12,256
[12,256 (3.20% / 3.35%)] [319,971 / 57,629 (87.58)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 10,325
[10,325 (2.69% / 2.83%)] [330,296 / 45,373 (90.41)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 8,314
[8,314 (2.17% / 2.28%)] [338,610 / 35,048 (92.68)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 6,239
[6,239 (1.63% / 1.71%)] [344,849 / 26,734 (94.39)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 5,021
[5,021 (1.31% / 1.37%)] [349,870 / 20,495 (95.76)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 4,020
[4,020 (1.05% / 1.10%)] [353,890 / 15,474 (96.86)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 3,357
[3,357 (0.88% / 0.92%)] [357,247 / 11,454 (97.78)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,703
[2,703 (0.70% / 0.74%)] [359,950 / 8,097 (98.52)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 2,128
[2,128 (0.55% / 0.58%)] [362,078 / 5,394 (99.11)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,526
[1,526 (0.40% / 0.42%)] [363,604 / 3,266 (99.52)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 996
[996 (0.26% / 0.27%)] [364,600 / 1,740 (99.80)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 493
[493 (0.13% / 0.13%)] [365,093 / 744 (99.93)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 200
[200 (0.05% / 0.05%)] [365,293 / 251 (99.99)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 47
[47 (0.01% / 0.01%)] [365,340 / 51 (100.00)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 3
[3 (0.00% / 0.00%)] [365,343 / 4 (100.00)]
39.5℃ - 40.4℃ 39.5℃ - 40.4℃ = 1
[1 (0.00% / 0.00%)] [365,344 / 1 (100.00)]

欠測回数 (18,142 / 4.73%)

日照時間

0.0h 0.0h = 256,792
[256,792 (66.96% / 70.28%)] [256,792 / 365,400 (70.28)]
0.1h 0.1h = 7,303
[7,303 (1.90% / 2.00%)] [264,095 / 108,608 (72.28)]
0.2h 0.2h = 5,637
[5,637 (1.47% / 1.54%)] [269,732 / 101,305 (73.82)]
0.3h 0.3h = 4,984
[4,984 (1.30% / 1.36%)] [274,716 / 95,668 (75.18)]
0.4h 0.4h = 4,713
[4,713 (1.23% / 1.29%)] [279,429 / 90,684 (76.47)]
0.5h 0.5h = 4,677
[4,677 (1.22% / 1.28%)] [284,106 / 85,971 (77.75)]
0.6h 0.6h = 4,812
[4,812 (1.25% / 1.32%)] [288,918 / 81,294 (79.07)]
0.7h 0.7h = 5,026
[5,026 (1.31% / 1.38%)] [293,944 / 76,482 (80.44)]
0.8h 0.8h = 5,844
[5,844 (1.52% / 1.60%)] [299,788 / 71,456 (82.04)]
0.9h 0.9h = 7,763
[7,763 (2.02% / 2.12%)] [307,551 / 65,612 (84.17)]
1.0h 1.0h = 57,849
[57,849 (15.09% / 15.83%)] [365,400 / 57,849 (100.00)]

欠測回数 (18,086 / 4.72%)