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 511
観測回数 373,019
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 〜 2018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 = 349,472
[349,472 (93.69% / 93.88%)] [349,472 / 372,238 (93.88)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,720
[12,720 (3.41% / 3.42%)] [362,192 / 22,766 (97.30)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,526
[4,526 (1.21% / 1.22%)] [366,718 / 10,046 (98.52)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,096
[2,096 (0.56% / 0.56%)] [368,814 / 5,520 (99.08)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,103
[1,103 (0.30% / 0.30%)] [369,917 / 3,424 (99.38)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 641
[641 (0.17% / 0.17%)] [370,558 / 2,321 (99.55)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 406
[406 (0.11% / 0.11%)] [370,964 / 1,680 (99.66)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 293
[293 (0.08% / 0.08%)] [371,257 / 1,274 (99.74)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 195
[195 (0.05% / 0.05%)] [371,452 / 981 (99.79)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 155
[155 (0.04% / 0.04%)] [371,607 / 786 (99.83)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 109
[109 (0.03% / 0.03%)] [371,716 / 631 (99.86)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 86
[86 (0.02% / 0.02%)] [371,802 / 522 (99.88)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 67
[67 (0.02% / 0.02%)] [371,869 / 436 (99.90)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 65
[65 (0.02% / 0.02%)] [371,934 / 369 (99.92)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 42
[42 (0.01% / 0.01%)] [371,976 / 304 (99.93)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 37
[37 (0.01% / 0.01%)] [372,013 / 262 (99.94)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 31
[31 (0.01% / 0.01%)] [372,044 / 225 (99.95)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 14
[14 (0.00% / 0.00%)] [372,058 / 194 (99.95)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 26
[26 (0.01% / 0.01%)] [372,084 / 180 (99.96)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 23
[23 (0.01% / 0.01%)] [372,107 / 154 (99.96)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 12
[12 (0.00% / 0.00%)] [372,119 / 131 (99.97)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [372,130 / 119 (99.97)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 15
[15 (0.00% / 0.00%)] [372,145 / 108 (99.98)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 9
[9 (0.00% / 0.00%)] [372,154 / 93 (99.98)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 7
[7 (0.00% / 0.00%)] [372,161 / 84 (99.98)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 9
[9 (0.00% / 0.00%)] [372,170 / 77 (99.98)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 9
[9 (0.00% / 0.00%)] [372,179 / 68 (99.98)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [372,181 / 59 (99.98)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [372,185 / 57 (99.99)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [372,191 / 53 (99.99)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 5
[5 (0.00% / 0.00%)] [372,196 / 47 (99.99)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 3
[3 (0.00% / 0.00%)] [372,199 / 42 (99.99)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [372,205 / 39 (99.99)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [372,208 / 33 (99.99)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [372,212 / 30 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [372,216 / 26 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [372,221 / 22 (100.00)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [372,223 / 17 (100.00)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 1
[1 (0.00% / 0.00%)] [372,224 / 15 (100.00)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [372,225 / 14 (100.00)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [372,226 / 13 (100.00)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [372,227 / 12 (100.00)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [372,228 / 11 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [372,231 / 10 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [372,234 / 7 (100.00)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [372,235 / 4 (100.00)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [372,236 / 3 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [372,237 / 2 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [372,238 / 1 (100.00)]

欠測回数 (781 / 0.21%)

風向

静穏 静穏 = 59,685
[59,685 (16.00% / 16.74%)]
北北東 北北東 = 42,340
[42,340 (11.35% / 11.87%)]
北東 北東 = 27,590
[27,590 (7.40% / 7.74%)]
東北東 東北東 = 14,809
[14,809 (3.97% / 4.15%)]
東 = 10,774
[10,774 (2.89% / 3.02%)]
東南東 東南東 = 25,225
[25,225 (6.76% / 7.07%)]
南東 南東 = 22,745
[22,745 (6.10% / 6.38%)]
南南東 南南東 = 17,555
[17,555 (4.71% / 4.92%)]
南 = 15,029
[15,029 (4.03% / 4.22%)]
南南西 南南西 = 8,021
[8,021 (2.15% / 2.25%)]
南西 南西 = 6,530
[6,530 (1.75% / 1.83%)]
西南西 西南西 = 9,150
[9,150 (2.45% / 2.57%)]
西 西 = 16,885
[16,885 (4.53% / 4.74%)]
西北西 西北西 = 31,885
[31,885 (8.55% / 8.94%)]
北西 北西 = 16,925
[16,925 (4.54% / 4.75%)]
北北西 北北西 = 10,930
[10,930 (2.93% / 3.07%)]
北 = 20,481
[20,481 (5.49% / 5.74%)]

欠測回数 (16,460 / 4.41%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 62,901
[62,901 (16.86% / 17.64%)] [62,901 / 356,614 (17.64)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 142,473
[142,473 (38.19% / 39.95%)] [205,374 / 293,713 (57.59)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 88,042
[88,042 (23.60% / 24.69%)] [293,416 / 151,240 (82.28)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 35,970
[35,970 (9.64% / 10.09%)] [329,386 / 63,198 (92.36)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 15,162
[15,162 (4.06% / 4.25%)] [344,548 / 27,228 (96.62)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,820
[6,820 (1.83% / 1.91%)] [351,368 / 12,066 (98.53)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,132
[3,132 (0.84% / 0.88%)] [354,500 / 5,246 (99.41)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,386
[1,386 (0.37% / 0.39%)] [355,886 / 2,114 (99.80)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 515
[515 (0.14% / 0.14%)] [356,401 / 728 (99.94)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 152
[152 (0.04% / 0.04%)] [356,553 / 213 (99.98)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 39
[39 (0.01% / 0.01%)] [356,592 / 61 (99.99)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 12
[12 (0.00% / 0.00%)] [356,604 / 22 (100.00)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 9
[9 (0.00% / 0.00%)] [356,613 / 10 (100.00)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [356,614 / 1 (100.00)]

欠測回数 (16,405 / 4.40%)

気温

-11.5℃ - -10.6℃ -11.5℃ - -10.6℃ = 1
[1 (0.00% / 0.00%)] [1 / 356,594 (0.00)]
-10.5℃ - -9.6℃ -10.5℃ - -9.6℃ = 2
[2 (0.00% / 0.00%)] [3 / 356,593 (0.00)]
-9.5℃ - -8.6℃ -9.5℃ - -8.6℃ = 1
[1 (0.00% / 0.00%)] [4 / 356,591 (0.00)]
-8.5℃ - -7.6℃ -8.5℃ - -7.6℃ = 1
[1 (0.00% / 0.00%)] [5 / 356,590 (0.00)]
-7.5℃ - -6.6℃ -7.5℃ - -6.6℃ = 13
[13 (0.00% / 0.00%)] [18 / 356,589 (0.01)]
-6.5℃ - -5.6℃ -6.5℃ - -5.6℃ = 54
[54 (0.01% / 0.02%)] [72 / 356,576 (0.02)]
-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 168
[168 (0.05% / 0.05%)] [240 / 356,522 (0.07)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 514
[514 (0.14% / 0.14%)] [754 / 356,354 (0.21)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 1,122
[1,122 (0.30% / 0.31%)] [1,876 / 355,840 (0.53)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 2,107
[2,107 (0.56% / 0.59%)] [3,983 / 354,718 (1.12)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 3,707
[3,707 (0.99% / 1.04%)] [7,690 / 352,611 (2.16)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 11,653
[11,653 (3.12% / 3.27%)] [19,343 / 348,904 (5.42)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 8,529
[8,529 (2.29% / 2.39%)] [27,872 / 337,251 (7.82)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 9,277
[9,277 (2.49% / 2.60%)] [37,149 / 328,722 (10.42)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 10,202
[10,202 (2.73% / 2.86%)] [47,351 / 319,445 (13.28)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 10,940
[10,940 (2.93% / 3.07%)] [58,291 / 309,243 (16.35)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 11,401
[11,401 (3.06% / 3.20%)] [69,692 / 298,303 (19.54)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 11,903
[11,903 (3.19% / 3.34%)] [81,595 / 286,902 (22.88)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 11,873
[11,873 (3.18% / 3.33%)] [93,468 / 274,999 (26.21)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 11,742
[11,742 (3.15% / 3.29%)] [105,210 / 263,126 (29.50)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 11,738
[11,738 (3.15% / 3.29%)] [116,948 / 251,384 (32.80)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 11,123
[11,123 (2.98% / 3.12%)] [128,071 / 239,646 (35.92)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 11,082
[11,082 (2.97% / 3.11%)] [139,153 / 228,523 (39.02)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 10,980
[10,980 (2.94% / 3.08%)] [150,133 / 217,441 (42.10)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 10,574
[10,574 (2.83% / 2.97%)] [160,707 / 206,461 (45.07)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 10,896
[10,896 (2.92% / 3.06%)] [171,603 / 195,887 (48.12)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 11,059
[11,059 (2.96% / 3.10%)] [182,662 / 184,991 (51.22)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 11,921
[11,921 (3.20% / 3.34%)] [194,583 / 173,932 (54.57)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 12,478
[12,478 (3.35% / 3.50%)] [207,061 / 162,011 (58.07)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 13,193
[13,193 (3.54% / 3.70%)] [220,254 / 149,533 (61.77)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 13,471
[13,471 (3.61% / 3.78%)] [233,725 / 136,340 (65.54)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 13,817
[13,817 (3.70% / 3.87%)] [247,542 / 122,869 (69.42)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 13,567
[13,567 (3.64% / 3.80%)] [261,109 / 109,052 (73.22)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 13,052
[13,052 (3.50% / 3.66%)] [274,161 / 95,485 (76.88)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 13,359
[13,359 (3.58% / 3.75%)] [287,520 / 82,433 (80.63)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 13,030
[13,030 (3.49% / 3.65%)] [300,550 / 69,074 (84.28)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 11,957
[11,957 (3.21% / 3.35%)] [312,507 / 56,044 (87.64)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 10,077
[10,077 (2.70% / 2.83%)] [322,584 / 44,087 (90.46)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 8,060
[8,060 (2.16% / 2.26%)] [330,644 / 34,010 (92.72)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 6,035
[6,035 (1.62% / 1.69%)] [336,679 / 25,950 (94.42)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 4,882
[4,882 (1.31% / 1.37%)] [341,561 / 19,915 (95.78)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 3,927
[3,927 (1.05% / 1.10%)] [345,488 / 15,033 (96.89)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 3,259
[3,259 (0.87% / 0.91%)] [348,747 / 11,106 (97.80)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 2,625
[2,625 (0.70% / 0.74%)] [351,372 / 7,847 (98.54)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 2,066
[2,066 (0.55% / 0.58%)] [353,438 / 5,222 (99.11)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 1,487
[1,487 (0.40% / 0.42%)] [354,925 / 3,156 (99.53)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 959
[959 (0.26% / 0.27%)] [355,884 / 1,669 (99.80)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 467
[467 (0.13% / 0.13%)] [356,351 / 710 (99.93)]
36.5℃ - 37.4℃ 36.5℃ - 37.4℃ = 192
[192 (0.05% / 0.05%)] [356,543 / 243 (99.99)]
37.5℃ - 38.4℃ 37.5℃ - 38.4℃ = 47
[47 (0.01% / 0.01%)] [356,590 / 51 (100.00)]
38.5℃ - 39.4℃ 38.5℃ - 39.4℃ = 3
[3 (0.00% / 0.00%)] [356,593 / 4 (100.00)]
39.5℃ - 40.4℃ 39.5℃ - 40.4℃ = 1
[1 (0.00% / 0.00%)] [356,594 / 1 (100.00)]

欠測回数 (16,425 / 4.40%)

日照時間

0.0h 0.0h = 250,868
[250,868 (67.25% / 70.34%)] [250,868 / 356,647 (70.34)]
0.1h 0.1h = 7,072
[7,072 (1.90% / 1.98%)] [257,940 / 105,779 (72.32)]
0.2h 0.2h = 5,463
[5,463 (1.46% / 1.53%)] [263,403 / 98,707 (73.86)]
0.3h 0.3h = 4,843
[4,843 (1.30% / 1.36%)] [268,246 / 93,244 (75.21)]
0.4h 0.4h = 4,579
[4,579 (1.23% / 1.28%)] [272,825 / 88,401 (76.50)]
0.5h 0.5h = 4,538
[4,538 (1.22% / 1.27%)] [277,363 / 83,822 (77.77)]
0.6h 0.6h = 4,662
[4,662 (1.25% / 1.31%)] [282,025 / 79,284 (79.08)]
0.7h 0.7h = 4,879
[4,879 (1.31% / 1.37%)] [286,904 / 74,622 (80.44)]
0.8h 0.8h = 5,669
[5,669 (1.52% / 1.59%)] [292,573 / 69,743 (82.03)]
0.9h 0.9h = 7,576
[7,576 (2.03% / 2.12%)] [300,149 / 64,074 (84.16)]
1.0h 1.0h = 56,498
[56,498 (15.15% / 15.84%)] [356,647 / 56,498 (100.00)]

欠測回数 (16,372 / 4.39%)