観測所番号 45401
都道府県 千葉県 [ 地域ポータル ]
所在地 千葉県館山市長須賀 館山特別地域気象観測所 (千葉県館山市)
観測月数 495
観測回数 361,584
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 〜 1975年03月11日 館山 (タテヤマ) 34.987N 139.865E 6m 0.0m
1975年03月12日 〜 1981年03月26日 館山 (タテヤマ) 34.987N 139.865E 6m 14.7m
1981年03月27日 〜 1985年12月31日 館山 (タテヤマ) 34.987N 139.865E 6m 14.8m
1986年01月01日 〜 1996年02月26日 館山 (タテヤマ) 34.987N 139.865E 6m 14.8m
1996年02月27日 〜 2009年03月17日 館山 (タテヤマ) 34.987N 139.865E 6m 14.7m
2009年03月18日 〜 2017年03月99日 館山 (タテヤマ) 34.987N 139.865E 6m 21.8m
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
45346 鋸南(千葉県) 15.19km 350度
45361 鴨川(千葉県) 25.53km 57度

全期間統計

降水量

0.0mm - 0.4mm 0.0mm - 0.4mm = 335,798
[335,798 (92.87% / 92.91%)] [335,798 / 361,416 (92.91%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,164
[12,164 (3.36% / 3.37%)] [347,962 / 25,618 (96.28%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,779
[4,779 (1.32% / 1.32%)] [352,741 / 13,454 (97.60%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,622
[2,622 (0.73% / 0.73%)] [355,363 / 8,675 (98.33%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,619
[1,619 (0.45% / 0.45%)] [356,982 / 6,053 (98.77%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,080
[1,080 (0.30% / 0.30%)] [358,062 / 4,434 (99.07%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 785
[785 (0.22% / 0.22%)] [358,847 / 3,354 (99.29%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 531
[531 (0.15% / 0.15%)] [359,378 / 2,569 (99.44%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 416
[416 (0.12% / 0.12%)] [359,794 / 2,038 (99.55%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 340
[340 (0.09% / 0.09%)] [360,134 / 1,622 (99.65%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 216
[216 (0.06% / 0.06%)] [360,350 / 1,282 (99.71%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 194
[194 (0.05% / 0.05%)] [360,544 / 1,066 (99.76%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 152
[152 (0.04% / 0.04%)] [360,696 / 872 (99.80%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 114
[114 (0.03% / 0.03%)] [360,810 / 720 (99.83%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 100
[100 (0.03% / 0.03%)] [360,910 / 606 (99.86%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 60
[60 (0.02% / 0.02%)] [360,970 / 506 (99.88%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 64
[64 (0.02% / 0.02%)] [361,034 / 446 (99.89%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 51
[51 (0.01% / 0.01%)] [361,085 / 382 (99.91%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 53
[53 (0.01% / 0.01%)] [361,138 / 331 (99.92%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 27
[27 (0.01% / 0.01%)] [361,165 / 278 (99.93%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 34
[34 (0.01% / 0.01%)] [361,199 / 251 (99.94%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 22
[22 (0.01% / 0.01%)] [361,221 / 217 (99.95%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 25
[25 (0.01% / 0.01%)] [361,246 / 195 (99.95%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 27
[27 (0.01% / 0.01%)] [361,273 / 170 (99.96%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 16
[16 (0.00% / 0.00%)] [361,289 / 143 (99.96%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 14
[14 (0.00% / 0.00%)] [361,303 / 127 (99.97%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 14
[14 (0.00% / 0.00%)] [361,317 / 113 (99.97%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 18
[18 (0.00% / 0.00%)] [361,335 / 99 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [361,344 / 81 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 12
[12 (0.00% / 0.00%)] [361,356 / 72 (99.98%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 7
[7 (0.00% / 0.00%)] [361,363 / 60 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 6
[6 (0.00% / 0.00%)] [361,369 / 53 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 5
[5 (0.00% / 0.00%)] [361,374 / 47 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [361,377 / 42 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [361,379 / 39 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 5
[5 (0.00% / 0.00%)] [361,384 / 37 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [361,386 / 32 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 8
[8 (0.00% / 0.00%)] [361,394 / 30 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [361,396 / 22 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [361,398 / 20 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [361,401 / 18 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [361,404 / 15 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 5
[5 (0.00% / 0.00%)] [361,409 / 12 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [361,411 / 7 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [361,413 / 5 (100.00%)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [361,414 / 3 (100.00%)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [361,415 / 2 (100.00%)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 1
[1 (0.00% / 0.00%)] [361,416 / 1 (100.00%)]

欠測回数 (168 / 0.05%)

風向

静穏 静穏 = 20,702
[20,702 (5.73% / 5.73%)] [0 / 0 (NA)]
北北東 北北東 = 26,762
[26,762 (7.40% / 7.40%)] [0 / 0 (NA)]
北東 北東 = 22,441
[22,441 (6.21% / 6.21%)] [0 / 0 (NA)]
東北東 東北東 = 20,191
[20,191 (5.58% / 5.59%)] [0 / 0 (NA)]
東 = 26,005
[26,005 (7.19% / 7.20%)] [0 / 0 (NA)]
東南東 東南東 = 21,996
[21,996 (6.08% / 6.09%)] [0 / 0 (NA)]
南東 南東 = 23,971
[23,971 (6.63% / 6.63%)] [0 / 0 (NA)]
南南東 南南東 = 33,445
[33,445 (9.25% / 9.25%)] [0 / 0 (NA)]
南 = 18,634
[18,634 (5.15% / 5.16%)] [0 / 0 (NA)]
南南西 南南西 = 25,349
[25,349 (7.01% / 7.01%)] [0 / 0 (NA)]
南西 南西 = 33,515
[33,515 (9.27% / 9.27%)] [0 / 0 (NA)]
西南西 西南西 = 17,516
[17,516 (4.84% / 4.85%)] [0 / 0 (NA)]
西 西 = 9,620
[9,620 (2.66% / 2.66%)] [0 / 0 (NA)]
西北西 西北西 = 13,270
[13,270 (3.67% / 3.67%)] [0 / 0 (NA)]
北西 北西 = 12,315
[12,315 (3.41% / 3.41%)] [0 / 0 (NA)]
北北西 北北西 = 12,186
[12,186 (3.37% / 3.37%)] [0 / 0 (NA)]
北 = 23,511
[23,511 (6.50% / 6.51%)] [0 / 0 (NA)]

欠測回数 (155 / 0.04%)

風速

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 21,408
[21,408 (5.92% / 5.92%)] [21,408 / 361,400 (5.92%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 83,166
[83,166 (23.00% / 23.01%)] [104,574 / 339,992 (28.94%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 80,743
[80,743 (22.33% / 22.34%)] [185,317 / 256,826 (51.28%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 62,347
[62,347 (17.24% / 17.25%)] [247,664 / 176,083 (68.53%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 44,480
[44,480 (12.30% / 12.31%)] [292,144 / 113,736 (80.84%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 27,777
[27,777 (7.68% / 7.69%)] [319,921 / 69,256 (88.52%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 17,358
[17,358 (4.80% / 4.80%)] [337,279 / 41,479 (93.33%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 11,106
[11,106 (3.07% / 3.07%)] [348,385 / 24,121 (96.40%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 6,681
[6,681 (1.85% / 1.85%)] [355,066 / 13,015 (98.25%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 3,567
[3,567 (0.99% / 0.99%)] [358,633 / 6,334 (99.23%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,566
[1,566 (0.43% / 0.43%)] [360,199 / 2,767 (99.67%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 692
[692 (0.19% / 0.19%)] [360,891 / 1,201 (99.86%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 308
[308 (0.09% / 0.09%)] [361,199 / 509 (99.94%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 105
[105 (0.03% / 0.03%)] [361,304 / 201 (99.97%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 49
[49 (0.01% / 0.01%)] [361,353 / 96 (99.99%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 15
[15 (0.00% / 0.00%)] [361,368 / 47 (99.99%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 18
[18 (0.00% / 0.00%)] [361,386 / 32 (100.00%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 8
[8 (0.00% / 0.00%)] [361,394 / 14 (100.00%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 5
[5 (0.00% / 0.00%)] [361,399 / 6 (100.00%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 1
[1 (0.00% / 0.00%)] [361,400 / 1 (100.00%)]

欠測回数 (184 / 0.05%)

気温

-5.5℃ - -4.6℃ -5.5℃ - -4.6℃ = 33
[33 (0.01% / 0.01%)] [33 / 359,008 (0.01%)]
-4.5℃ - -3.6℃ -4.5℃ - -3.6℃ = 58
[58 (0.02% / 0.02%)] [91 / 358,975 (0.03%)]
-3.5℃ - -2.6℃ -3.5℃ - -2.6℃ = 258
[258 (0.07% / 0.07%)] [349 / 358,917 (0.10%)]
-2.5℃ - -1.6℃ -2.5℃ - -1.6℃ = 646
[646 (0.18% / 0.18%)] [995 / 358,659 (0.28%)]
-1.5℃ - -0.6℃ -1.5℃ - -0.6℃ = 1,419
[1,419 (0.39% / 0.40%)] [2,414 / 358,013 (0.67%)]
-0.5℃ - 0.4℃ -0.5℃ - 0.4℃ = 5,264
[5,264 (1.46% / 1.47%)] [7,678 / 356,594 (2.14%)]
0.5℃ - 1.4℃ 0.5℃ - 1.4℃ = 3,940
[3,940 (1.09% / 1.10%)] [11,618 / 351,330 (3.24%)]
1.5℃ - 2.4℃ 1.5℃ - 2.4℃ = 5,205
[5,205 (1.44% / 1.45%)] [16,823 / 347,390 (4.69%)]
2.5℃ - 3.4℃ 2.5℃ - 3.4℃ = 6,576
[6,576 (1.82% / 1.83%)] [23,399 / 342,185 (6.52%)]
3.5℃ - 4.4℃ 3.5℃ - 4.4℃ = 8,081
[8,081 (2.23% / 2.25%)] [31,480 / 335,609 (8.77%)]
4.5℃ - 5.4℃ 4.5℃ - 5.4℃ = 9,236
[9,236 (2.55% / 2.57%)] [40,716 / 327,528 (11.34%)]
5.5℃ - 6.4℃ 5.5℃ - 6.4℃ = 10,418
[10,418 (2.88% / 2.90%)] [51,134 / 318,292 (14.24%)]
6.5℃ - 7.4℃ 6.5℃ - 7.4℃ = 11,548
[11,548 (3.19% / 3.22%)] [62,682 / 307,874 (17.46%)]
7.5℃ - 8.4℃ 7.5℃ - 8.4℃ = 12,228
[12,228 (3.38% / 3.41%)] [74,910 / 296,326 (20.87%)]
8.5℃ - 9.4℃ 8.5℃ - 9.4℃ = 12,648
[12,648 (3.50% / 3.52%)] [87,558 / 284,098 (24.39%)]
9.5℃ - 10.4℃ 9.5℃ - 10.4℃ = 12,778
[12,778 (3.53% / 3.56%)] [100,336 / 271,450 (27.95%)]
10.5℃ - 11.4℃ 10.5℃ - 11.4℃ = 12,666
[12,666 (3.50% / 3.53%)] [113,002 / 258,672 (31.48%)]
11.5℃ - 12.4℃ 11.5℃ - 12.4℃ = 12,533
[12,533 (3.47% / 3.49%)] [125,535 / 246,006 (34.97%)]
12.5℃ - 13.4℃ 12.5℃ - 13.4℃ = 12,600
[12,600 (3.48% / 3.51%)] [138,135 / 233,473 (38.48%)]
13.5℃ - 14.4℃ 13.5℃ - 14.4℃ = 12,913
[12,913 (3.57% / 3.60%)] [151,048 / 220,873 (42.07%)]
14.5℃ - 15.4℃ 14.5℃ - 15.4℃ = 13,439
[13,439 (3.72% / 3.74%)] [164,487 / 207,960 (45.82%)]
15.5℃ - 16.4℃ 15.5℃ - 16.4℃ = 13,784
[13,784 (3.81% / 3.84%)] [178,271 / 194,521 (49.66%)]
16.5℃ - 17.4℃ 16.5℃ - 17.4℃ = 14,614
[14,614 (4.04% / 4.07%)] [192,885 / 180,737 (53.73%)]
17.5℃ - 18.4℃ 17.5℃ - 18.4℃ = 15,457
[15,457 (4.27% / 4.31%)] [208,342 / 166,123 (58.03%)]
18.5℃ - 19.4℃ 18.5℃ - 19.4℃ = 15,720
[15,720 (4.35% / 4.38%)] [224,062 / 150,666 (62.41%)]
19.5℃ - 20.4℃ 19.5℃ - 20.4℃ = 15,476
[15,476 (4.28% / 4.31%)] [239,538 / 134,946 (66.72%)]
20.5℃ - 21.4℃ 20.5℃ - 21.4℃ = 15,960
[15,960 (4.41% / 4.45%)] [255,498 / 119,470 (71.17%)]
21.5℃ - 22.4℃ 21.5℃ - 22.4℃ = 15,488
[15,488 (4.28% / 4.31%)] [270,986 / 103,510 (75.48%)]
22.5℃ - 23.4℃ 22.5℃ - 23.4℃ = 14,718
[14,718 (4.07% / 4.10%)] [285,704 / 88,022 (79.58%)]
23.5℃ - 24.4℃ 23.5℃ - 24.4℃ = 14,571
[14,571 (4.03% / 4.06%)] [300,275 / 73,304 (83.64%)]
24.5℃ - 25.4℃ 24.5℃ - 25.4℃ = 14,415
[14,415 (3.99% / 4.02%)] [314,690 / 58,733 (87.66%)]
25.5℃ - 26.4℃ 25.5℃ - 26.4℃ = 13,408
[13,408 (3.71% / 3.73%)] [328,098 / 44,318 (91.39%)]
26.5℃ - 27.4℃ 26.5℃ - 27.4℃ = 10,133
[10,133 (2.80% / 2.82%)] [338,231 / 30,910 (94.21%)]
27.5℃ - 28.4℃ 27.5℃ - 28.4℃ = 7,042
[7,042 (1.95% / 1.96%)] [345,273 / 20,777 (96.17%)]
28.5℃ - 29.4℃ 28.5℃ - 29.4℃ = 5,614
[5,614 (1.55% / 1.56%)] [350,887 / 13,735 (97.74%)]
29.5℃ - 30.4℃ 29.5℃ - 30.4℃ = 4,241
[4,241 (1.17% / 1.18%)] [355,128 / 8,121 (98.92%)]
30.5℃ - 31.4℃ 30.5℃ - 31.4℃ = 2,530
[2,530 (0.70% / 0.70%)] [357,658 / 3,880 (99.62%)]
31.5℃ - 32.4℃ 31.5℃ - 32.4℃ = 1,008
[1,008 (0.28% / 0.28%)] [358,666 / 1,350 (99.90%)]
32.5℃ - 33.4℃ 32.5℃ - 33.4℃ = 268
[268 (0.07% / 0.07%)] [358,934 / 342 (99.98%)]
33.5℃ - 34.4℃ 33.5℃ - 34.4℃ = 61
[61 (0.02% / 0.02%)] [358,995 / 74 (100.00%)]
34.5℃ - 35.4℃ 34.5℃ - 35.4℃ = 12
[12 (0.00% / 0.00%)] [359,007 / 13 (100.00%)]
35.5℃ - 36.4℃ 35.5℃ - 36.4℃ = 1
[1 (0.00% / 0.00%)] [359,008 / 1 (100.00%)]

欠測回数 (2,576 / 0.71%)

日照時間

0.0h 0.0h = 244,191
[244,191 (67.53% / 67.66%)] [244,191 / 360,905 (67.66%)]
0.1h 0.1h = 9,130
[9,130 (2.53% / 2.53%)] [253,321 / 116,714 (70.19%)]
0.2h 0.2h = 7,176
[7,176 (1.98% / 1.99%)] [260,497 / 107,584 (72.18%)]
0.3h 0.3h = 6,420
[6,420 (1.78% / 1.78%)] [266,917 / 100,408 (73.96%)]
0.4h 0.4h = 5,887
[5,887 (1.63% / 1.63%)] [272,804 / 93,988 (75.59%)]
0.5h 0.5h = 5,686
[5,686 (1.57% / 1.58%)] [278,490 / 88,101 (77.16%)]
0.6h 0.6h = 5,710
[5,710 (1.58% / 1.58%)] [284,200 / 82,415 (78.75%)]
0.7h 0.7h = 6,228
[6,228 (1.72% / 1.73%)] [290,428 / 76,705 (80.47%)]
0.8h 0.8h = 7,078
[7,078 (1.96% / 1.96%)] [297,506 / 70,477 (82.43%)]
0.9h 0.9h = 9,536
[9,536 (2.64% / 2.64%)] [307,042 / 63,399 (85.08%)]
1.0h 1.0h = 53,863
[53,863 (14.90% / 14.92%)] [360,905 / 53,863 (100.00%)]

欠測回数 (679 / 0.19%)