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 474
観測回数 345,995
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 〜 2015年08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
42366 館林(群馬県) 16.99km 281度
41376 小山(栃木県) 18.19km 33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 = 324,469
[324,469 (93.78% / 93.95%)] [324,469 / 345,355 (93.95%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,598
[11,598 (3.35% / 3.36%)] [336,067 / 20,886 (97.31%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,200
[4,200 (1.21% / 1.22%)] [340,267 / 9,288 (98.53%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,931
[1,931 (0.56% / 0.56%)] [342,198 / 5,088 (99.09%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,021
[1,021 (0.30% / 0.30%)] [343,219 / 3,157 (99.38%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 583
[583 (0.17% / 0.17%)] [343,802 / 2,136 (99.55%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 378
[378 (0.11% / 0.11%)] [344,180 / 1,553 (99.66%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 270
[270 (0.08% / 0.08%)] [344,450 / 1,175 (99.74%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 182
[182 (0.05% / 0.05%)] [344,632 / 905 (99.79%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 141
[141 (0.04% / 0.04%)] [344,773 / 723 (99.83%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 104
[104 (0.03% / 0.03%)] [344,877 / 582 (99.86%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 80
[80 (0.02% / 0.02%)] [344,957 / 478 (99.88%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 61
[61 (0.02% / 0.02%)] [345,018 / 398 (99.90%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 62
[62 (0.02% / 0.02%)] [345,080 / 337 (99.92%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 37
[37 (0.01% / 0.01%)] [345,117 / 275 (99.93%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 33
[33 (0.01% / 0.01%)] [345,150 / 238 (99.94%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 29
[29 (0.01% / 0.01%)] [345,179 / 205 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 13
[13 (0.00% / 0.00%)] [345,192 / 176 (99.95%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 24
[24 (0.01% / 0.01%)] [345,216 / 163 (99.96%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 22
[22 (0.01% / 0.01%)] [345,238 / 139 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 11
[11 (0.00% / 0.00%)] [345,249 / 117 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [345,260 / 106 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 14
[14 (0.00% / 0.00%)] [345,274 / 95 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 7
[7 (0.00% / 0.00%)] [345,281 / 81 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [345,288 / 74 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 8
[8 (0.00% / 0.00%)] [345,296 / 67 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 7
[7 (0.00% / 0.00%)] [345,303 / 59 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [345,305 / 52 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [345,309 / 50 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [345,315 / 46 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [345,319 / 40 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [345,322 / 36 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [345,328 / 33 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [345,331 / 27 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [345,333 / 24 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [345,337 / 22 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [345,342 / 18 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [345,343 / 13 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [345,344 / 12 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [345,345 / 11 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [345,348 / 10 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [345,351 / 7 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [345,352 / 4 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [345,353 / 3 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [345,354 / 2 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [345,355 / 1 (100.00%)]

欠測回数 (640 / 0.18%)

風向

静穏 静穏 = 58,951
[58,951 (17.04% / 17.89%)] [0 / 0 (NA)]
北北東 北北東 = 39,370
[39,370 (11.38% / 11.95%)] [0 / 0 (NA)]
北東 北東 = 25,292
[25,292 (7.31% / 7.67%)] [0 / 0 (NA)]
東北東 東北東 = 13,419
[13,419 (3.88% / 4.07%)] [0 / 0 (NA)]
東 = 9,549
[9,549 (2.76% / 2.90%)] [0 / 0 (NA)]
東南東 東南東 = 23,137
[23,137 (6.69% / 7.02%)] [0 / 0 (NA)]
南東 南東 = 21,050
[21,050 (6.08% / 6.39%)] [0 / 0 (NA)]
南南東 南南東 = 16,092
[16,092 (4.65% / 4.88%)] [0 / 0 (NA)]
南 = 13,772
[13,772 (3.98% / 4.18%)] [0 / 0 (NA)]
南南西 南南西 = 7,327
[7,327 (2.12% / 2.22%)] [0 / 0 (NA)]
南西 南西 = 5,907
[5,907 (1.71% / 1.79%)] [0 / 0 (NA)]
西南西 西南西 = 8,300
[8,300 (2.40% / 2.52%)] [0 / 0 (NA)]
西 西 = 15,391
[15,391 (4.45% / 4.67%)] [0 / 0 (NA)]
西北西 西北西 = 29,485
[29,485 (8.52% / 8.95%)] [0 / 0 (NA)]
北西 北西 = 15,421
[15,421 (4.46% / 4.68%)] [0 / 0 (NA)]
北北西 北北西 = 9,532
[9,532 (2.75% / 2.89%)] [0 / 0 (NA)]
北 = 17,559
[17,559 (5.07% / 5.33%)] [0 / 0 (NA)]

欠測回数 (16,441 / 4.75%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 61,227
[61,227 (17.70% / 18.58%)] [61,227 / 329,609 (18.58%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 131,626
[131,626 (38.04% / 39.93%)] [192,853 / 268,382 (58.51%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 79,470
[79,470 (22.97% / 24.11%)] [272,323 / 136,756 (82.62%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 32,636
[32,636 (9.43% / 9.90%)] [304,959 / 57,286 (92.52%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 13,759
[13,759 (3.98% / 4.17%)] [318,718 / 24,650 (96.70%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,149
[6,149 (1.78% / 1.87%)] [324,867 / 10,891 (98.56%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,825
[2,825 (0.82% / 0.86%)] [327,692 / 4,742 (99.42%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,244
[1,244 (0.36% / 0.38%)] [328,936 / 1,917 (99.80%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 477
[477 (0.14% / 0.14%)] [329,413 / 673 (99.94%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 138
[138 (0.04% / 0.04%)] [329,551 / 196 (99.98%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 36
[36 (0.01% / 0.01%)] [329,587 / 58 (99.99%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 12
[12 (0.00% / 0.00%)] [329,599 / 22 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 9
[9 (0.00% / 0.00%)] [329,608 / 10 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [329,609 / 1 (100.00%)]

欠測回数 (16,386 / 4.74%)

気温

-11.5℃ - -10.6℃ -11.5℃ - -10.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 329,576 (0.00%)]
-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 2
[2 (0.00% / 0.00%)] [3 / 329,575 (0.00%)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [4 / 329,573 (0.00%)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 1
[1 (0.00% / 0.00%)] [5 / 329,572 (0.00%)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 13
[13 (0.00% / 0.00%)] [18 / 329,571 (0.01%)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 54
[54 (0.02% / 0.02%)] [72 / 329,558 (0.02%)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 168
[168 (0.05% / 0.05%)] [240 / 329,504 (0.07%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 487
[487 (0.14% / 0.15%)] [727 / 329,336 (0.22%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,068
[1,068 (0.31% / 0.32%)] [1,795 / 328,849 (0.54%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,003
[2,003 (0.58% / 0.61%)] [3,798 / 327,781 (1.15%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,458
[3,458 (1.00% / 1.05%)] [7,256 / 325,778 (2.20%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 10,876
[10,876 (3.14% / 3.30%)] [18,132 / 322,320 (5.50%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 7,976
[7,976 (2.31% / 2.42%)] [26,108 / 311,444 (7.92%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 8,665
[8,665 (2.50% / 2.63%)] [34,773 / 303,468 (10.55%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 9,516
[9,516 (2.75% / 2.89%)] [44,289 / 294,803 (13.44%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 10,138
[10,138 (2.93% / 3.08%)] [54,427 / 285,287 (16.51%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 10,645
[10,645 (3.08% / 3.23%)] [65,072 / 275,149 (19.74%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 11,039
[11,039 (3.19% / 3.35%)] [76,111 / 264,504 (23.09%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 11,065
[11,065 (3.20% / 3.36%)] [87,176 / 253,465 (26.45%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 10,908
[10,908 (3.15% / 3.31%)] [98,084 / 242,400 (29.76%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 10,839
[10,839 (3.13% / 3.29%)] [108,923 / 231,492 (33.05%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 10,226
[10,226 (2.96% / 3.10%)] [119,149 / 220,653 (36.15%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 10,238
[10,238 (2.96% / 3.11%)] [129,387 / 210,427 (39.26%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 10,241
[10,241 (2.96% / 3.11%)] [139,628 / 200,189 (42.37%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 9,726
[9,726 (2.81% / 2.95%)] [149,354 / 189,948 (45.32%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 10,121
[10,121 (2.93% / 3.07%)] [159,475 / 180,222 (48.39%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 10,199
[10,199 (2.95% / 3.09%)] [169,674 / 170,101 (51.48%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 11,089
[11,089 (3.20% / 3.36%)] [180,763 / 159,902 (54.85%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 11,584
[11,584 (3.35% / 3.51%)] [192,347 / 148,813 (58.36%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 12,249
[12,249 (3.54% / 3.72%)] [204,596 / 137,229 (62.08%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 12,484
[12,484 (3.61% / 3.79%)] [217,080 / 124,980 (65.87%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 12,778
[12,778 (3.69% / 3.88%)] [229,858 / 112,496 (69.74%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 12,469
[12,469 (3.60% / 3.78%)] [242,327 / 99,718 (73.53%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 11,975
[11,975 (3.46% / 3.63%)] [254,302 / 87,249 (77.16%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 12,260
[12,260 (3.54% / 3.72%)] [266,562 / 75,274 (80.88%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 12,005
[12,005 (3.47% / 3.64%)] [278,567 / 63,014 (84.52%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 10,967
[10,967 (3.17% / 3.33%)] [289,534 / 51,009 (87.85%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 9,157
[9,157 (2.65% / 2.78%)] [298,691 / 40,042 (90.63%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 7,277
[7,277 (2.10% / 2.21%)] [305,968 / 30,885 (92.84%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 5,432
[5,432 (1.57% / 1.65%)] [311,400 / 23,608 (94.49%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 4,448
[4,448 (1.29% / 1.35%)] [315,848 / 18,176 (95.83%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,572
[3,572 (1.03% / 1.08%)] [319,420 / 13,728 (96.92%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 2,983
[2,983 (0.86% / 0.91%)] [322,403 / 10,156 (97.82%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,405
[2,405 (0.70% / 0.73%)] [324,808 / 7,173 (98.55%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,893
[1,893 (0.55% / 0.57%)] [326,701 / 4,768 (99.13%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,356
[1,356 (0.39% / 0.41%)] [328,057 / 2,875 (99.54%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 871
[871 (0.25% / 0.26%)] [328,928 / 1,519 (99.80%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 430
[430 (0.12% / 0.13%)] [329,358 / 648 (99.93%)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 177
[177 (0.05% / 0.05%)] [329,535 / 218 (99.99%)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 37
[37 (0.01% / 0.01%)] [329,572 / 41 (100.00%)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 3
[3 (0.00% / 0.00%)] [329,575 / 4 (100.00%)]
39.5℃ - 40.4℃ 39.5℃ - 40.4℃ = 1
[1 (0.00% / 0.00%)] [329,576 / 1 (100.00%)]

欠測回数 (16,419 / 4.75%)

日照時間

0.0h 0.0h = 232,457
[232,457 (67.19% / 70.52%)] [232,457 / 329,637 (70.52%)]
0.1h 0.1h = 6,444
[6,444 (1.86% / 1.95%)] [238,901 / 97,180 (72.47%)]
0.2h 0.2h = 4,982
[4,982 (1.44% / 1.51%)] [243,883 / 90,736 (73.99%)]
0.3h 0.3h = 4,415
[4,415 (1.28% / 1.34%)] [248,298 / 85,754 (75.32%)]
0.4h 0.4h = 4,185
[4,185 (1.21% / 1.27%)] [252,483 / 81,339 (76.59%)]
0.5h 0.5h = 4,147
[4,147 (1.20% / 1.26%)] [256,630 / 77,154 (77.85%)]
0.6h 0.6h = 4,251
[4,251 (1.23% / 1.29%)] [260,881 / 73,007 (79.14%)]
0.7h 0.7h = 4,487
[4,487 (1.30% / 1.36%)] [265,368 / 68,756 (80.50%)]
0.8h 0.8h = 5,191
[5,191 (1.50% / 1.57%)] [270,559 / 64,269 (82.08%)]
0.9h 0.9h = 6,962
[6,962 (2.01% / 2.11%)] [277,521 / 59,078 (84.19%)]
1.0h 1.0h = 52,116
[52,116 (15.06% / 15.81%)] [329,637 / 52,116 (100.00%)]

欠測回数 (16,358 / 4.73%)