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 486
観測回数 354,779
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 〜 2016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 = 332,627
[332,627 (93.76% / 93.93%)] [332,627 / 354,138 (93.93%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,960
[11,960 (3.37% / 3.38%)] [344,587 / 21,511 (97.30%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,309
[4,309 (1.21% / 1.22%)] [348,896 / 9,551 (98.52%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,996
[1,996 (0.56% / 0.56%)] [350,892 / 5,242 (99.08%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,046
[1,046 (0.29% / 0.30%)] [351,938 / 3,246 (99.38%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 597
[597 (0.17% / 0.17%)] [352,535 / 2,200 (99.55%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 391
[391 (0.11% / 0.11%)] [352,926 / 1,603 (99.66%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 278
[278 (0.08% / 0.08%)] [353,204 / 1,212 (99.74%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 184
[184 (0.05% / 0.05%)] [353,388 / 934 (99.79%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 142
[142 (0.04% / 0.04%)] [353,530 / 750 (99.83%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 108
[108 (0.03% / 0.03%)] [353,638 / 608 (99.86%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 83
[83 (0.02% / 0.02%)] [353,721 / 500 (99.88%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 64
[64 (0.02% / 0.02%)] [353,785 / 417 (99.90%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 63
[63 (0.02% / 0.02%)] [353,848 / 353 (99.92%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 39
[39 (0.01% / 0.01%)] [353,887 / 290 (99.93%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 35
[35 (0.01% / 0.01%)] [353,922 / 251 (99.94%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 31
[31 (0.01% / 0.01%)] [353,953 / 216 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 14
[14 (0.00% / 0.00%)] [353,967 / 185 (99.95%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 25
[25 (0.01% / 0.01%)] [353,992 / 171 (99.96%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 22
[22 (0.01% / 0.01%)] [354,014 / 146 (99.96%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 11
[11 (0.00% / 0.00%)] [354,025 / 124 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [354,036 / 113 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 14
[14 (0.00% / 0.00%)] [354,050 / 102 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 8
[8 (0.00% / 0.00%)] [354,058 / 88 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [354,065 / 80 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 8
[8 (0.00% / 0.00%)] [354,073 / 73 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 9
[9 (0.00% / 0.00%)] [354,082 / 65 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [354,084 / 56 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [354,088 / 54 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [354,094 / 50 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [354,098 / 44 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [354,101 / 40 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [354,107 / 37 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [354,110 / 31 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [354,113 / 28 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [354,117 / 25 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [354,122 / 21 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [354,124 / 16 (100.00%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [354,125 / 14 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [354,126 / 13 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [354,127 / 12 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [354,128 / 11 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [354,131 / 10 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [354,134 / 7 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [354,135 / 4 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [354,136 / 3 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [354,137 / 2 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [354,138 / 1 (100.00%)]

欠測回数 (641 / 0.18%)

風向

静穏 静穏 = 59,157
[59,157 (16.67% / 17.49%)] [0 / 0 (NA)]
北北東 北北東 = 40,440
[40,440 (11.40% / 11.95%)] [0 / 0 (NA)]
北東 北東 = 26,059
[26,059 (7.35% / 7.70%)] [0 / 0 (NA)]
東北東 東北東 = 13,861
[13,861 (3.91% / 4.10%)] [0 / 0 (NA)]
東 = 9,980
[9,980 (2.81% / 2.95%)] [0 / 0 (NA)]
東南東 東南東 = 23,874
[23,874 (6.73% / 7.06%)] [0 / 0 (NA)]
南東 南東 = 21,599
[21,599 (6.09% / 6.38%)] [0 / 0 (NA)]
南南東 南南東 = 16,594
[16,594 (4.68% / 4.90%)] [0 / 0 (NA)]
南 = 14,186
[14,186 (4.00% / 4.19%)] [0 / 0 (NA)]
南南西 南南西 = 7,537
[7,537 (2.12% / 2.23%)] [0 / 0 (NA)]
南西 南西 = 6,086
[6,086 (1.72% / 1.80%)] [0 / 0 (NA)]
西南西 西南西 = 8,545
[8,545 (2.41% / 2.53%)] [0 / 0 (NA)]
西 西 = 15,865
[15,865 (4.47% / 4.69%)] [0 / 0 (NA)]
西北西 西北西 = 30,152
[30,152 (8.50% / 8.91%)] [0 / 0 (NA)]
北西 北西 = 15,841
[15,841 (4.47% / 4.68%)] [0 / 0 (NA)]
北北西 北北西 = 10,009
[10,009 (2.82% / 2.96%)] [0 / 0 (NA)]
北 = 18,539
[18,539 (5.23% / 5.48%)] [0 / 0 (NA)]

欠測回数 (16,455 / 4.64%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 61,722
[61,722 (17.40% / 18.24%)] [61,722 / 338,379 (18.24%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 135,254
[135,254 (38.12% / 39.97%)] [196,976 / 276,657 (58.21%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 82,289
[82,289 (23.19% / 24.32%)] [279,265 / 141,403 (82.53%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 33,700
[33,700 (9.50% / 9.96%)] [312,965 / 59,114 (92.49%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 14,157
[14,157 (3.99% / 4.18%)] [327,122 / 25,414 (96.67%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,357
[6,357 (1.79% / 1.88%)] [333,479 / 11,257 (98.55%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,923
[2,923 (0.82% / 0.86%)] [336,402 / 4,900 (99.42%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,283
[1,283 (0.36% / 0.38%)] [337,685 / 1,977 (99.79%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 492
[492 (0.14% / 0.15%)] [338,177 / 694 (99.94%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 143
[143 (0.04% / 0.04%)] [338,320 / 202 (99.98%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 37
[37 (0.01% / 0.01%)] [338,357 / 59 (99.99%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 12
[12 (0.00% / 0.00%)] [338,369 / 22 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 9
[9 (0.00% / 0.00%)] [338,378 / 10 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [338,379 / 1 (100.00%)]

欠測回数 (16,400 / 4.62%)

気温

-11.5℃ - -10.6℃ -11.5℃ - -10.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 338,358 (0.00%)]
-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 2
[2 (0.00% / 0.00%)] [3 / 338,357 (0.00%)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [4 / 338,355 (0.00%)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 1
[1 (0.00% / 0.00%)] [5 / 338,354 (0.00%)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 13
[13 (0.00% / 0.00%)] [18 / 338,353 (0.01%)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 54
[54 (0.02% / 0.02%)] [72 / 338,340 (0.02%)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 168
[168 (0.05% / 0.05%)] [240 / 338,286 (0.07%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 488
[488 (0.14% / 0.14%)] [728 / 338,118 (0.22%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,077
[1,077 (0.30% / 0.32%)] [1,805 / 337,630 (0.53%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,026
[2,026 (0.57% / 0.60%)] [3,831 / 336,553 (1.13%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,526
[3,526 (0.99% / 1.04%)] [7,357 / 334,527 (2.17%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 11,086
[11,086 (3.12% / 3.28%)] [18,443 / 331,001 (5.45%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 8,134
[8,134 (2.29% / 2.40%)] [26,577 / 319,915 (7.85%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 8,835
[8,835 (2.49% / 2.61%)] [35,412 / 311,781 (10.47%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 9,745
[9,745 (2.75% / 2.88%)] [45,157 / 302,946 (13.35%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 10,405
[10,405 (2.93% / 3.08%)] [55,562 / 293,201 (16.42%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 10,866
[10,866 (3.06% / 3.21%)] [66,428 / 282,796 (19.63%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 11,305
[11,305 (3.19% / 3.34%)] [77,733 / 271,930 (22.97%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 11,308
[11,308 (3.19% / 3.34%)] [89,041 / 260,625 (26.32%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 11,163
[11,163 (3.15% / 3.30%)] [100,204 / 249,317 (29.61%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 11,128
[11,128 (3.14% / 3.29%)] [111,332 / 238,154 (32.90%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 10,506
[10,506 (2.96% / 3.10%)] [121,838 / 227,026 (36.01%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 10,552
[10,552 (2.97% / 3.12%)] [132,390 / 216,520 (39.13%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 10,509
[10,509 (2.96% / 3.11%)] [142,899 / 205,968 (42.23%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 10,046
[10,046 (2.83% / 2.97%)] [152,945 / 195,459 (45.20%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 10,424
[10,424 (2.94% / 3.08%)] [163,369 / 185,413 (48.28%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 10,524
[10,524 (2.97% / 3.11%)] [173,893 / 174,989 (51.39%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 11,389
[11,389 (3.21% / 3.37%)] [185,282 / 164,465 (54.76%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 11,939
[11,939 (3.37% / 3.53%)] [197,221 / 153,076 (58.29%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 12,593
[12,593 (3.55% / 3.72%)] [209,814 / 141,137 (62.01%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 12,796
[12,796 (3.61% / 3.78%)] [222,610 / 128,544 (65.79%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 13,167
[13,167 (3.71% / 3.89%)] [235,777 / 115,748 (69.68%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 12,859
[12,859 (3.62% / 3.80%)] [248,636 / 102,581 (73.48%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 12,347
[12,347 (3.48% / 3.65%)] [260,983 / 89,722 (77.13%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 12,632
[12,632 (3.56% / 3.73%)] [273,615 / 77,375 (80.87%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 12,363
[12,363 (3.48% / 3.65%)] [285,978 / 64,743 (84.52%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 11,308
[11,308 (3.19% / 3.34%)] [297,286 / 52,380 (87.86%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 9,418
[9,418 (2.65% / 2.78%)] [306,704 / 41,072 (90.64%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 7,474
[7,474 (2.11% / 2.21%)] [314,178 / 31,654 (92.85%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 5,591
[5,591 (1.58% / 1.65%)] [319,769 / 24,180 (94.51%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 4,548
[4,548 (1.28% / 1.34%)] [324,317 / 18,589 (95.85%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,665
[3,665 (1.03% / 1.08%)] [327,982 / 14,041 (96.93%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 3,061
[3,061 (0.86% / 0.90%)] [331,043 / 10,376 (97.84%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,463
[2,463 (0.69% / 0.73%)] [333,506 / 7,315 (98.57%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,940
[1,940 (0.55% / 0.57%)] [335,446 / 4,852 (99.14%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,375
[1,375 (0.39% / 0.41%)] [336,821 / 2,912 (99.55%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 883
[883 (0.25% / 0.26%)] [337,704 / 1,537 (99.81%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 435
[435 (0.12% / 0.13%)] [338,139 / 654 (99.94%)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 178
[178 (0.05% / 0.05%)] [338,317 / 219 (99.99%)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 37
[37 (0.01% / 0.01%)] [338,354 / 41 (100.00%)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 3
[3 (0.00% / 0.00%)] [338,357 / 4 (100.00%)]
39.5℃ - 40.4℃ 39.5℃ - 40.4℃ = 1
[1 (0.00% / 0.00%)] [338,358 / 1 (100.00%)]

欠測回数 (16,421 / 4.63%)

日照時間

0.0h 0.0h = 238,585
[238,585 (67.25% / 70.50%)] [238,585 / 338,416 (70.50%)]
0.1h 0.1h = 6,613
[6,613 (1.86% / 1.95%)] [245,198 / 99,831 (72.45%)]
0.2h 0.2h = 5,134
[5,134 (1.45% / 1.52%)] [250,332 / 93,218 (73.97%)]
0.3h 0.3h = 4,535
[4,535 (1.28% / 1.34%)] [254,867 / 88,084 (75.31%)]
0.4h 0.4h = 4,311
[4,311 (1.22% / 1.27%)] [259,178 / 83,549 (76.59%)]
0.5h 0.5h = 4,267
[4,267 (1.20% / 1.26%)] [263,445 / 79,238 (77.85%)]
0.6h 0.6h = 4,376
[4,376 (1.23% / 1.29%)] [267,821 / 74,971 (79.14%)]
0.7h 0.7h = 4,622
[4,622 (1.30% / 1.37%)] [272,443 / 70,595 (80.51%)]
0.8h 0.8h = 5,361
[5,361 (1.51% / 1.58%)] [277,804 / 65,973 (82.09%)]
0.9h 0.9h = 7,154
[7,154 (2.02% / 2.11%)] [284,958 / 60,612 (84.20%)]
1.0h 1.0h = 53,458
[53,458 (15.07% / 15.80%)] [338,416 / 53,458 (100.00%)]

欠測回数 (16,363 / 4.61%)