Station Number 45371
Prefecture Chiba [ Local Portal ]
Location 千葉県勝浦市墨名 勝浦特別地域気象観測所 (KATSURA SHI, CHIBA KEN)
Months of Observations 476
Number of Observations 347,712
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1975/12/06 KATSUURA 35.150N 140.312E 12m 0.0m
1975/12/07 -- 1988/12/31 KATSUURA 35.150N 140.312E 12m 12.3m
1989/01/01 -- 2013/12/04 KATSUURA 35.150N 140.312E 12m 12.3m
2013/12/05 -- 2015/08/99 KATSUURA 35.150N 140.312E 12m 15.2m
Real-time Data AMeRAS (AMeDAS Ranking Service)
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
Number Name Distance Azimuth
45331 OOTAKI (Chiba) 14.36km 322deg.
45361 KAMOGAWA (Chiba) 19.78km 257deg.
45326 SAKAHATA (Chiba) 21.65km 295deg.
45261 MOBARA (Chiba) 29.62km 359deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 321,322
[321,322 (92.41% / 92.44%)] [321,322 / 347,595 (92.44%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,377
[12,377 (3.56% / 3.56%)] [333,699 / 26,273 (96.00%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,940
[4,940 (1.42% / 1.42%)] [338,639 / 13,896 (97.42%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,705
[2,705 (0.78% / 0.78%)] [341,344 / 8,956 (98.20%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,683
[1,683 (0.48% / 0.48%)] [343,027 / 6,251 (98.69%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,076
[1,076 (0.31% / 0.31%)] [344,103 / 4,568 (99.00%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 793
[793 (0.23% / 0.23%)] [344,896 / 3,492 (99.22%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 600
[600 (0.17% / 0.17%)] [345,496 / 2,699 (99.40%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 401
[401 (0.12% / 0.12%)] [345,897 / 2,099 (99.51%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 328
[328 (0.09% / 0.09%)] [346,225 / 1,698 (99.61%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 251
[251 (0.07% / 0.07%)] [346,476 / 1,370 (99.68%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 176
[176 (0.05% / 0.05%)] [346,652 / 1,119 (99.73%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 167
[167 (0.05% / 0.05%)] [346,819 / 943 (99.78%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 128
[128 (0.04% / 0.04%)] [346,947 / 776 (99.81%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 91
[91 (0.03% / 0.03%)] [347,038 / 648 (99.84%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 74
[74 (0.02% / 0.02%)] [347,112 / 557 (99.86%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 53
[53 (0.02% / 0.02%)] [347,165 / 483 (99.88%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 56
[56 (0.02% / 0.02%)] [347,221 / 430 (99.89%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 59
[59 (0.02% / 0.02%)] [347,280 / 374 (99.91%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 43
[43 (0.01% / 0.01%)] [347,323 / 315 (99.92%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 26
[26 (0.01% / 0.01%)] [347,349 / 272 (99.93%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.01% / 0.01%)] [347,373 / 246 (99.94%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 21
[21 (0.01% / 0.01%)] [347,394 / 222 (99.94%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 20
[20 (0.01% / 0.01%)] [347,414 / 201 (99.95%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 13
[13 (0.00% / 0.00%)] [347,427 / 181 (99.95%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 12
[12 (0.00% / 0.00%)] [347,439 / 168 (99.96%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 13
[13 (0.00% / 0.00%)] [347,452 / 156 (99.96%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 20
[20 (0.01% / 0.01%)] [347,472 / 143 (99.96%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 17
[17 (0.00% / 0.00%)] [347,489 / 123 (99.97%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 18
[18 (0.01% / 0.01%)] [347,507 / 106 (99.97%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 10
[10 (0.00% / 0.00%)] [347,517 / 88 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 7
[7 (0.00% / 0.00%)] [347,524 / 78 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 4
[4 (0.00% / 0.00%)] [347,528 / 71 (99.98%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [347,532 / 67 (99.98%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 10
[10 (0.00% / 0.00%)] [347,542 / 63 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [347,544 / 53 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 4
[4 (0.00% / 0.00%)] [347,548 / 51 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 5
[5 (0.00% / 0.00%)] [347,553 / 47 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 5
[5 (0.00% / 0.00%)] [347,558 / 42 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 3
[3 (0.00% / 0.00%)] [347,561 / 37 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [347,563 / 34 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [347,566 / 32 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [347,567 / 29 (99.99%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [347,569 / 28 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [347,570 / 26 (99.99%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [347,571 / 25 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 5
[5 (0.00% / 0.00%)] [347,576 / 24 (99.99%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [347,578 / 19 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [347,580 / 17 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [347,581 / 15 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 3
[3 (0.00% / 0.00%)] [347,584 / 14 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 3
[3 (0.00% / 0.00%)] [347,587 / 11 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [347,588 / 8 (100.00%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 3
[3 (0.00% / 0.00%)] [347,591 / 7 (100.00%)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [347,592 / 4 (100.00%)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [347,593 / 3 (100.00%)]
77.5mm - 78.4mm 77.5mm - 78.4mm = 1
[1 (0.00% / 0.00%)] [347,594 / 2 (100.00%)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [347,595 / 1 (100.00%)]

Missing observations (117 / 0.03%)

Wind Direction

Calm Calm = 10,687
[10,687 (3.07% / 3.07%)] [0 / 0 (NA)]
NNE NNE = 61,013
[61,013 (17.55% / 17.55%)] [0 / 0 (NA)]
NE NE = 22,446
[22,446 (6.46% / 6.46%)] [0 / 0 (NA)]
ENE ENE = 14,192
[14,192 (4.08% / 4.08%)] [0 / 0 (NA)]
E E = 8,604
[8,604 (2.47% / 2.48%)] [0 / 0 (NA)]
ESE ESE = 4,320
[4,320 (1.24% / 1.24%)] [0 / 0 (NA)]
SE SE = 3,560
[3,560 (1.02% / 1.02%)] [0 / 0 (NA)]
SSE SSE = 4,965
[4,965 (1.43% / 1.43%)] [0 / 0 (NA)]
S S = 12,384
[12,384 (3.56% / 3.56%)] [0 / 0 (NA)]
SSW SSW = 41,318
[41,318 (11.88% / 11.89%)] [0 / 0 (NA)]
SW SW = 21,121
[21,121 (6.07% / 6.08%)] [0 / 0 (NA)]
WSW WSW = 11,700
[11,700 (3.36% / 3.37%)] [0 / 0 (NA)]
W W = 14,407
[14,407 (4.14% / 4.14%)] [0 / 0 (NA)]
WNW WNW = 4,033
[4,033 (1.16% / 1.16%)] [0 / 0 (NA)]
NW NW = 6,107
[6,107 (1.76% / 1.76%)] [0 / 0 (NA)]
NNW NNW = 46,877
[46,877 (13.48% / 13.49%)] [0 / 0 (NA)]
N N = 59,889
[59,889 (17.22% / 17.23%)] [0 / 0 (NA)]

Missing observations (89 / 0.03%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 11,111
[11,111 (3.20% / 3.20%)] [11,111 / 347,624 (3.20%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 47,324
[47,324 (13.61% / 13.61%)] [58,435 / 336,513 (16.81%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 75,557
[75,557 (21.73% / 21.74%)] [133,992 / 289,189 (38.55%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 77,020
[77,020 (22.15% / 22.16%)] [211,012 / 213,632 (60.70%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 59,165
[59,165 (17.02% / 17.02%)] [270,177 / 136,612 (77.72%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 36,176
[36,176 (10.40% / 10.41%)] [306,353 / 77,447 (88.13%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 18,719
[18,719 (5.38% / 5.38%)] [325,072 / 41,271 (93.51%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 9,757
[9,757 (2.81% / 2.81%)] [334,829 / 22,552 (96.32%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 5,443
[5,443 (1.57% / 1.57%)] [340,272 / 12,795 (97.89%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 3,112
[3,112 (0.89% / 0.90%)] [343,384 / 7,352 (98.78%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,775
[1,775 (0.51% / 0.51%)] [345,159 / 4,240 (99.29%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,094
[1,094 (0.31% / 0.31%)] [346,253 / 2,465 (99.61%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 626
[626 (0.18% / 0.18%)] [346,879 / 1,371 (99.79%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 348
[348 (0.10% / 0.10%)] [347,227 / 745 (99.89%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 168
[168 (0.05% / 0.05%)] [347,395 / 397 (99.93%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 94
[94 (0.03% / 0.03%)] [347,489 / 229 (99.96%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 69
[69 (0.02% / 0.02%)] [347,558 / 135 (99.98%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 30
[30 (0.01% / 0.01%)] [347,588 / 66 (99.99%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 14
[14 (0.00% / 0.00%)] [347,602 / 36 (99.99%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 6
[6 (0.00% / 0.00%)] [347,608 / 22 (100.00%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 5
[5 (0.00% / 0.00%)] [347,613 / 16 (100.00%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 5
[5 (0.00% / 0.00%)] [347,618 / 11 (100.00%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [347,620 / 6 (100.00%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 1
[1 (0.00% / 0.00%)] [347,621 / 4 (100.00%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 1
[1 (0.00% / 0.00%)] [347,622 / 3 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 1
[1 (0.00% / 0.00%)] [347,623 / 2 (100.00%)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [347,624 / 1 (100.00%)]

Missing observations (88 / 0.03%)

Temperature

-9.5C - -8.6C -9.5C - -8.6C = 3
[3 (0.00% / 0.00%)] [3 / 347,644 (0.00%)]
-8.5C - -7.6C -8.5C - -7.6C = 4
[4 (0.00% / 0.00%)] [7 / 347,641 (0.00%)]
-7.5C - -6.6C -7.5C - -6.6C = 6
[6 (0.00% / 0.00%)] [13 / 347,637 (0.00%)]
-6.5C - -5.6C -6.5C - -5.6C = 17
[17 (0.00% / 0.00%)] [30 / 347,631 (0.01%)]
-5.5C - -4.6C -5.5C - -4.6C = 3
[3 (0.00% / 0.00%)] [33 / 347,614 (0.01%)]
-4.5C - -3.6C -4.5C - -3.6C = 11
[11 (0.00% / 0.00%)] [44 / 347,611 (0.01%)]
-3.5C - -2.6C -3.5C - -2.6C = 27
[27 (0.01% / 0.01%)] [71 / 347,600 (0.02%)]
-2.5C - -1.6C -2.5C - -1.6C = 71
[71 (0.02% / 0.02%)] [142 / 347,573 (0.04%)]
-1.5C - -0.6C -1.5C - -0.6C = 207
[207 (0.06% / 0.06%)] [349 / 347,502 (0.10%)]
-0.5C - 0.4C -0.5C - 0.4C = 2,006
[2,006 (0.58% / 0.58%)] [2,355 / 347,295 (0.68%)]
0.5C - 1.4C 0.5C - 1.4C = 2,984
[2,984 (0.86% / 0.86%)] [5,339 / 345,289 (1.54%)]
1.5C - 2.4C 1.5C - 2.4C = 5,155
[5,155 (1.48% / 1.48%)] [10,494 / 342,305 (3.02%)]
2.5C - 3.4C 2.5C - 3.4C = 7,074
[7,074 (2.03% / 2.03%)] [17,568 / 337,150 (5.05%)]
3.5C - 4.4C 3.5C - 4.4C = 8,657
[8,657 (2.49% / 2.49%)] [26,225 / 330,076 (7.54%)]
4.5C - 5.4C 4.5C - 5.4C = 10,099
[10,099 (2.90% / 2.90%)] [36,324 / 321,419 (10.45%)]
5.5C - 6.4C 5.5C - 6.4C = 11,028
[11,028 (3.17% / 3.17%)] [47,352 / 311,320 (13.62%)]
6.5C - 7.4C 6.5C - 7.4C = 11,948
[11,948 (3.44% / 3.44%)] [59,300 / 300,292 (17.06%)]
7.5C - 8.4C 7.5C - 8.4C = 11,776
[11,776 (3.39% / 3.39%)] [71,076 / 288,344 (20.45%)]
8.5C - 9.4C 8.5C - 9.4C = 12,518
[12,518 (3.60% / 3.60%)] [83,594 / 276,568 (24.05%)]
9.5C - 10.4C 9.5C - 10.4C = 11,870
[11,870 (3.41% / 3.41%)] [95,464 / 264,050 (27.46%)]
10.5C - 11.4C 10.5C - 11.4C = 12,267
[12,267 (3.53% / 3.53%)] [107,731 / 252,180 (30.99%)]
11.5C - 12.4C 11.5C - 12.4C = 11,904
[11,904 (3.42% / 3.42%)] [119,635 / 239,913 (34.41%)]
12.5C - 13.4C 12.5C - 13.4C = 12,068
[12,068 (3.47% / 3.47%)] [131,703 / 228,009 (37.88%)]
13.5C - 14.4C 13.5C - 14.4C = 12,873
[12,873 (3.70% / 3.70%)] [144,576 / 215,941 (41.59%)]
14.5C - 15.4C 14.5C - 15.4C = 13,722
[13,722 (3.95% / 3.95%)] [158,298 / 203,068 (45.53%)]
15.5C - 16.4C 15.5C - 16.4C = 14,488
[14,488 (4.17% / 4.17%)] [172,786 / 189,346 (49.70%)]
16.5C - 17.4C 16.5C - 17.4C = 16,053
[16,053 (4.62% / 4.62%)] [188,839 / 174,858 (54.32%)]
17.5C - 18.4C 17.5C - 18.4C = 16,689
[16,689 (4.80% / 4.80%)] [205,528 / 158,805 (59.12%)]
18.5C - 19.4C 18.5C - 19.4C = 16,989
[16,989 (4.89% / 4.89%)] [222,517 / 142,116 (64.01%)]
19.5C - 20.4C 19.5C - 20.4C = 16,101
[16,101 (4.63% / 4.63%)] [238,618 / 125,127 (68.64%)]
20.5C - 21.4C 20.5C - 21.4C = 17,448
[17,448 (5.02% / 5.02%)] [256,066 / 109,026 (73.66%)]
21.5C - 22.4C 21.5C - 22.4C = 16,493
[16,493 (4.74% / 4.74%)] [272,559 / 91,578 (78.40%)]
22.5C - 23.4C 22.5C - 23.4C = 15,658
[15,658 (4.50% / 4.50%)] [288,217 / 75,085 (82.91%)]
23.5C - 24.4C 23.5C - 24.4C = 15,239
[15,239 (4.38% / 4.38%)] [303,456 / 59,427 (87.29%)]
24.5C - 25.4C 24.5C - 25.4C = 14,021
[14,021 (4.03% / 4.03%)] [317,477 / 44,188 (91.32%)]
25.5C - 26.4C 25.5C - 26.4C = 11,691
[11,691 (3.36% / 3.36%)] [329,168 / 30,167 (94.69%)]
26.5C - 27.4C 26.5C - 27.4C = 8,539
[8,539 (2.46% / 2.46%)] [337,707 / 18,476 (97.14%)]
27.5C - 28.4C 27.5C - 28.4C = 5,447
[5,447 (1.57% / 1.57%)] [343,154 / 9,937 (98.71%)]
28.5C - 29.4C 28.5C - 29.4C = 2,964
[2,964 (0.85% / 0.85%)] [346,118 / 4,490 (99.56%)]
29.5C - 30.4C 29.5C - 30.4C = 1,149
[1,149 (0.33% / 0.33%)] [347,267 / 1,526 (99.89%)]
30.5C - 31.4C 30.5C - 31.4C = 309
[309 (0.09% / 0.09%)] [347,576 / 377 (99.98%)]
31.5C - 32.4C 31.5C - 32.4C = 58
[58 (0.02% / 0.02%)] [347,634 / 68 (100.00%)]
32.5C - 33.4C 32.5C - 33.4C = 8
[8 (0.00% / 0.00%)] [347,642 / 10 (100.00%)]
33.5C - 34.4C 33.5C - 34.4C = 1
[1 (0.00% / 0.00%)] [347,643 / 2 (100.00%)]
34.5C - 35.4C 34.5C - 35.4C = 1
[1 (0.00% / 0.00%)] [347,644 / 1 (100.00%)]

Missing observations (68 / 0.02%)

Sunshine Duration

0.0h 0.0h = 238,493
[238,493 (68.59% / 68.95%)] [238,493 / 345,881 (68.95%)]
0.1h 0.1h = 8,350
[8,350 (2.40% / 2.41%)] [246,843 / 107,388 (71.37%)]
0.2h 0.2h = 6,342
[6,342 (1.82% / 1.83%)] [253,185 / 99,038 (73.20%)]
0.3h 0.3h = 5,538
[5,538 (1.59% / 1.60%)] [258,723 / 92,696 (74.80%)]
0.4h 0.4h = 5,223
[5,223 (1.50% / 1.51%)] [263,946 / 87,158 (76.31%)]
0.5h 0.5h = 5,038
[5,038 (1.45% / 1.46%)] [268,984 / 81,935 (77.77%)]
0.6h 0.6h = 4,967
[4,967 (1.43% / 1.44%)] [273,951 / 76,897 (79.20%)]
0.7h 0.7h = 5,201
[5,201 (1.50% / 1.50%)] [279,152 / 71,930 (80.71%)]
0.8h 0.8h = 6,081
[6,081 (1.75% / 1.76%)] [285,233 / 66,729 (82.47%)]
0.9h 0.9h = 8,197
[8,197 (2.36% / 2.37%)] [293,430 / 60,648 (84.84%)]
1.0h 1.0h = 52,451
[52,451 (15.08% / 15.16%)] [345,881 / 52,451 (100.00%)]

Missing observations (1,831 / 0.53%)