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 493
観測回数 359,867
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 〜 2017年03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 = 337,408
[337,408 (93.76% / 93.93%)] [337,408 / 359,226 (93.93%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,147
[12,147 (3.38% / 3.38%)] [349,555 / 21,818 (97.31%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,363
[4,363 (1.21% / 1.21%)] [353,918 / 9,671 (98.52%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,019
[2,019 (0.56% / 0.56%)] [355,937 / 5,308 (99.08%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,060
[1,060 (0.29% / 0.30%)] [356,997 / 3,289 (99.38%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 609
[609 (0.17% / 0.17%)] [357,606 / 2,229 (99.55%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 394
[394 (0.11% / 0.11%)] [358,000 / 1,620 (99.66%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 281
[281 (0.08% / 0.08%)] [358,281 / 1,226 (99.74%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 188
[188 (0.05% / 0.05%)] [358,469 / 945 (99.79%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 146
[146 (0.04% / 0.04%)] [358,615 / 757 (99.83%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 108
[108 (0.03% / 0.03%)] [358,723 / 611 (99.86%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 83
[83 (0.02% / 0.02%)] [358,806 / 503 (99.88%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 64
[64 (0.02% / 0.02%)] [358,870 / 420 (99.90%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 64
[64 (0.02% / 0.02%)] [358,934 / 356 (99.92%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 39
[39 (0.01% / 0.01%)] [358,973 / 292 (99.93%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 35
[35 (0.01% / 0.01%)] [359,008 / 253 (99.94%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 31
[31 (0.01% / 0.01%)] [359,039 / 218 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 14
[14 (0.00% / 0.00%)] [359,053 / 187 (99.95%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 25
[25 (0.01% / 0.01%)] [359,078 / 173 (99.96%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 23
[23 (0.01% / 0.01%)] [359,101 / 148 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 11
[11 (0.00% / 0.00%)] [359,112 / 125 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [359,123 / 114 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 15
[15 (0.00% / 0.00%)] [359,138 / 103 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 8
[8 (0.00% / 0.00%)] [359,146 / 88 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [359,153 / 80 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 8
[8 (0.00% / 0.00%)] [359,161 / 73 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 9
[9 (0.00% / 0.00%)] [359,170 / 65 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [359,172 / 56 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [359,176 / 54 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [359,182 / 50 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [359,186 / 44 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [359,189 / 40 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [359,195 / 37 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [359,198 / 31 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [359,201 / 28 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [359,205 / 25 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [359,210 / 21 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [359,212 / 16 (100.00%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [359,213 / 14 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [359,214 / 13 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [359,215 / 12 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [359,216 / 11 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [359,219 / 10 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [359,222 / 7 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [359,223 / 4 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [359,224 / 3 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [359,225 / 2 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [359,226 / 1 (100.00%)]

欠測回数 (641 / 0.18%)

風向

静穏 静穏 = 59,344
[59,344 (16.49% / 17.28%)] [0 / 0 (NA)]
北北東 北北東 = 40,923
[40,923 (11.37% / 11.92%)] [0 / 0 (NA)]
北東 北東 = 26,444
[26,444 (7.35% / 7.70%)] [0 / 0 (NA)]
東北東 東北東 = 14,078
[14,078 (3.91% / 4.10%)] [0 / 0 (NA)]
東 = 10,135
[10,135 (2.82% / 2.95%)] [0 / 0 (NA)]
東南東 東南東 = 24,093
[24,093 (6.69% / 7.02%)] [0 / 0 (NA)]
南東 南東 = 21,796
[21,796 (6.06% / 6.35%)] [0 / 0 (NA)]
南南東 南南東 = 16,698
[16,698 (4.64% / 4.86%)] [0 / 0 (NA)]
南 = 14,310
[14,310 (3.98% / 4.17%)] [0 / 0 (NA)]
南南西 南南西 = 7,621
[7,621 (2.12% / 2.22%)] [0 / 0 (NA)]
南西 南西 = 6,221
[6,221 (1.73% / 1.81%)] [0 / 0 (NA)]
西南西 西南西 = 8,769
[8,769 (2.44% / 2.55%)] [0 / 0 (NA)]
西 西 = 16,317
[16,317 (4.53% / 4.75%)] [0 / 0 (NA)]
西北西 西北西 = 30,938
[30,938 (8.60% / 9.01%)] [0 / 0 (NA)]
北西 北西 = 16,317
[16,317 (4.53% / 4.75%)] [0 / 0 (NA)]
北北西 北北西 = 10,352
[10,352 (2.88% / 3.01%)] [0 / 0 (NA)]
北 = 19,056
[19,056 (5.30% / 5.55%)] [0 / 0 (NA)]

欠測回数 (16,455 / 4.57%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 62,124
[62,124 (17.26% / 18.09%)] [62,124 / 343,467 (18.09%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 137,378
[137,378 (38.17% / 40.00%)] [199,502 / 281,343 (58.08%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 83,726
[83,726 (23.27% / 24.38%)] [283,228 / 143,965 (82.46%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 34,210
[34,210 (9.51% / 9.96%)] [317,438 / 60,239 (92.42%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 14,442
[14,442 (4.01% / 4.20%)] [331,880 / 26,029 (96.63%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,558
[6,558 (1.82% / 1.91%)] [338,438 / 11,587 (98.54%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,014
[3,014 (0.84% / 0.88%)] [341,452 / 5,029 (99.41%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,313
[1,313 (0.36% / 0.38%)] [342,765 / 2,015 (99.80%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 499
[499 (0.14% / 0.15%)] [343,264 / 702 (99.94%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 144
[144 (0.04% / 0.04%)] [343,408 / 203 (99.98%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 37
[37 (0.01% / 0.01%)] [343,445 / 59 (99.99%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 12
[12 (0.00% / 0.00%)] [343,457 / 22 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 9
[9 (0.00% / 0.00%)] [343,466 / 10 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [343,467 / 1 (100.00%)]

欠測回数 (16,400 / 4.56%)

気温

-11.5℃ - -10.6℃ -11.5℃ - -10.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 343,446 (0.00%)]
-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 2
[2 (0.00% / 0.00%)] [3 / 343,445 (0.00%)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [4 / 343,443 (0.00%)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 1
[1 (0.00% / 0.00%)] [5 / 343,442 (0.00%)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 13
[13 (0.00% / 0.00%)] [18 / 343,441 (0.01%)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 54
[54 (0.02% / 0.02%)] [72 / 343,428 (0.02%)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 168
[168 (0.05% / 0.05%)] [240 / 343,374 (0.07%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 488
[488 (0.14% / 0.14%)] [728 / 343,206 (0.21%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,088
[1,088 (0.30% / 0.32%)] [1,816 / 342,718 (0.53%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,060
[2,060 (0.57% / 0.60%)] [3,876 / 341,630 (1.13%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,614
[3,614 (1.00% / 1.05%)] [7,490 / 339,570 (2.18%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 11,349
[11,349 (3.15% / 3.30%)] [18,839 / 335,956 (5.49%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 8,323
[8,323 (2.31% / 2.42%)] [27,162 / 324,607 (7.91%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 9,053
[9,053 (2.52% / 2.64%)] [36,215 / 316,284 (10.54%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 9,953
[9,953 (2.77% / 2.90%)] [46,168 / 307,231 (13.44%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 10,629
[10,629 (2.95% / 3.09%)] [56,797 / 297,278 (16.54%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 11,155
[11,155 (3.10% / 3.25%)] [67,952 / 286,649 (19.79%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 11,607
[11,607 (3.23% / 3.38%)] [79,559 / 275,494 (23.16%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 11,592
[11,592 (3.22% / 3.38%)] [91,151 / 263,887 (26.54%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 11,443
[11,443 (3.18% / 3.33%)] [102,594 / 252,295 (29.87%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 11,427
[11,427 (3.18% / 3.33%)] [114,021 / 240,852 (33.20%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 10,805
[10,805 (3.00% / 3.15%)] [124,826 / 229,425 (36.35%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 10,787
[10,787 (3.00% / 3.14%)] [135,613 / 218,620 (39.49%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 10,680
[10,680 (2.97% / 3.11%)] [146,293 / 207,833 (42.60%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 10,223
[10,223 (2.84% / 2.98%)] [156,516 / 197,153 (45.57%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 10,518
[10,518 (2.92% / 3.06%)] [167,034 / 186,930 (48.63%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 10,626
[10,626 (2.95% / 3.09%)] [177,660 / 176,412 (51.73%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 11,493
[11,493 (3.19% / 3.35%)] [189,153 / 165,786 (55.08%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 12,028
[12,028 (3.34% / 3.50%)] [201,181 / 154,293 (58.58%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 12,693
[12,693 (3.53% / 3.70%)] [213,874 / 142,265 (62.27%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 12,906
[12,906 (3.59% / 3.76%)] [226,780 / 129,572 (66.03%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 13,291
[13,291 (3.69% / 3.87%)] [240,071 / 116,666 (69.90%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 12,992
[12,992 (3.61% / 3.78%)] [253,063 / 103,375 (73.68%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 12,469
[12,469 (3.46% / 3.63%)] [265,532 / 90,383 (77.31%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 12,760
[12,760 (3.55% / 3.72%)] [278,292 / 77,914 (81.03%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 12,458
[12,458 (3.46% / 3.63%)] [290,750 / 65,154 (84.66%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 11,379
[11,379 (3.16% / 3.31%)] [302,129 / 52,696 (87.97%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 9,488
[9,488 (2.64% / 2.76%)] [311,617 / 41,317 (90.73%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 7,525
[7,525 (2.09% / 2.19%)] [319,142 / 31,829 (92.92%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 5,629
[5,629 (1.56% / 1.64%)] [324,771 / 24,304 (94.56%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 4,575
[4,575 (1.27% / 1.33%)] [329,346 / 18,675 (95.89%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,689
[3,689 (1.03% / 1.07%)] [333,035 / 14,100 (96.97%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 3,077
[3,077 (0.86% / 0.90%)] [336,112 / 10,411 (97.86%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,475
[2,475 (0.69% / 0.72%)] [338,587 / 7,334 (98.59%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 1,942
[1,942 (0.54% / 0.57%)] [340,529 / 4,859 (99.15%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,380
[1,380 (0.38% / 0.40%)] [341,909 / 2,917 (99.55%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 883
[883 (0.25% / 0.26%)] [342,792 / 1,537 (99.81%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 435
[435 (0.12% / 0.13%)] [343,227 / 654 (99.94%)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 178
[178 (0.05% / 0.05%)] [343,405 / 219 (99.99%)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 37
[37 (0.01% / 0.01%)] [343,442 / 41 (100.00%)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 3
[3 (0.00% / 0.00%)] [343,445 / 4 (100.00%)]
39.5℃ - 40.4℃ 39.5℃ - 40.4℃ = 1
[1 (0.00% / 0.00%)] [343,446 / 1 (100.00%)]

欠測回数 (16,421 / 4.56%)

日照時間

0.0h 0.0h = 242,082
[242,082 (67.27% / 70.47%)] [242,082 / 343,504 (70.47%)]
0.1h 0.1h = 6,696
[6,696 (1.86% / 1.95%)] [248,778 / 101,422 (72.42%)]
0.2h 0.2h = 5,204
[5,204 (1.45% / 1.51%)] [253,982 / 94,726 (73.94%)]
0.3h 0.3h = 4,601
[4,601 (1.28% / 1.34%)] [258,583 / 89,522 (75.28%)]
0.4h 0.4h = 4,368
[4,368 (1.21% / 1.27%)] [262,951 / 84,921 (76.55%)]
0.5h 0.5h = 4,321
[4,321 (1.20% / 1.26%)] [267,272 / 80,553 (77.81%)]
0.6h 0.6h = 4,443
[4,443 (1.23% / 1.29%)] [271,715 / 76,232 (79.10%)]
0.7h 0.7h = 4,677
[4,677 (1.30% / 1.36%)] [276,392 / 71,789 (80.46%)]
0.8h 0.8h = 5,430
[5,430 (1.51% / 1.58%)] [281,822 / 67,112 (82.04%)]
0.9h 0.9h = 7,253
[7,253 (2.02% / 2.11%)] [289,075 / 61,682 (84.15%)]
1.0h 1.0h = 54,429
[54,429 (15.12% / 15.85%)] [343,504 / 54,429 (100.00%)]

欠測回数 (16,363 / 4.55%)