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 499
Number of Observations 364,512
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 -- 2017/07/99 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 = 336,696
[336,696 (92.37% / 92.40%)] [336,696 / 364,392 (92.40)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,103
[13,103 (3.59% / 3.60%)] [349,799 / 27,696 (96.00)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,187
[5,187 (1.42% / 1.42%)] [354,986 / 14,593 (97.42)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,837
[2,837 (0.78% / 0.78%)] [357,823 / 9,406 (98.20)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,760
[1,760 (0.48% / 0.48%)] [359,583 / 6,569 (98.68)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,135
[1,135 (0.31% / 0.31%)] [360,718 / 4,809 (98.99)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 830
[830 (0.23% / 0.23%)] [361,548 / 3,674 (99.22)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 637
[637 (0.17% / 0.17%)] [362,185 / 2,844 (99.39)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 420
[420 (0.12% / 0.12%)] [362,605 / 2,207 (99.51)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 339
[339 (0.09% / 0.09%)] [362,944 / 1,787 (99.60)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 263
[263 (0.07% / 0.07%)] [363,207 / 1,448 (99.67)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 188
[188 (0.05% / 0.05%)] [363,395 / 1,185 (99.73)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 174
[174 (0.05% / 0.05%)] [363,569 / 997 (99.77)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 133
[133 (0.04% / 0.04%)] [363,702 / 823 (99.81)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 97
[97 (0.03% / 0.03%)] [363,799 / 690 (99.84)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 78
[78 (0.02% / 0.02%)] [363,877 / 593 (99.86)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 55
[55 (0.02% / 0.02%)] [363,932 / 515 (99.87)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 59
[59 (0.02% / 0.02%)] [363,991 / 460 (99.89)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 65
[65 (0.02% / 0.02%)] [364,056 / 401 (99.91)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 45
[45 (0.01% / 0.01%)] [364,101 / 336 (99.92)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 28
[28 (0.01% / 0.01%)] [364,129 / 291 (99.93)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.01% / 0.01%)] [364,153 / 263 (99.93)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 24
[24 (0.01% / 0.01%)] [364,177 / 239 (99.94)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 23
[23 (0.01% / 0.01%)] [364,200 / 215 (99.95)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 14
[14 (0.00% / 0.00%)] [364,214 / 192 (99.95)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 12
[12 (0.00% / 0.00%)] [364,226 / 178 (99.95)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 13
[13 (0.00% / 0.00%)] [364,239 / 166 (99.96)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 20
[20 (0.01% / 0.01%)] [364,259 / 153 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 18
[18 (0.00% / 0.00%)] [364,277 / 133 (99.97)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 18
[18 (0.00% / 0.00%)] [364,295 / 115 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 11
[11 (0.00% / 0.00%)] [364,306 / 97 (99.98)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 7
[7 (0.00% / 0.00%)] [364,313 / 86 (99.98)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [364,319 / 79 (99.98)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [364,323 / 73 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 11
[11 (0.00% / 0.00%)] [364,334 / 69 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [364,337 / 58 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 4
[4 (0.00% / 0.00%)] [364,341 / 55 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 5
[5 (0.00% / 0.00%)] [364,346 / 51 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 5
[5 (0.00% / 0.00%)] [364,351 / 46 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [364,355 / 41 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [364,357 / 37 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [364,360 / 35 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [364,361 / 32 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [364,363 / 31 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [364,364 / 29 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [364,365 / 28 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 5
[5 (0.00% / 0.00%)] [364,370 / 27 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 3
[3 (0.00% / 0.00%)] [364,373 / 22 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [364,375 / 19 (100.00)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [364,376 / 17 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 3
[3 (0.00% / 0.00%)] [364,379 / 16 (100.00)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 4
[4 (0.00% / 0.00%)] [364,383 / 13 (100.00)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [364,384 / 9 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 3
[3 (0.00% / 0.00%)] [364,387 / 8 (100.00)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [364,388 / 5 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 2
[2 (0.00% / 0.00%)] [364,390 / 4 (100.00)]
77.5mm - 78.4mm 77.5mm - 78.4mm = 1
[1 (0.00% / 0.00%)] [364,391 / 2 (100.00)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [364,392 / 1 (100.00)]

Missing observations (120 / 0.03%)

Wind Direction

Calm Calm = 10,706
[10,706 (2.94% / 2.94%)]
NNE NNE = 63,912
[63,912 (17.53% / 17.54%)]
NE NE = 23,467
[23,467 (6.44% / 6.44%)]
ENE ENE = 14,888
[14,888 (4.08% / 4.09%)]
E E = 9,026
[9,026 (2.48% / 2.48%)]
ESE ESE = 4,536
[4,536 (1.24% / 1.24%)]
SE SE = 3,734
[3,734 (1.02% / 1.02%)]
SSE SSE = 5,221
[5,221 (1.43% / 1.43%)]
S S = 13,134
[13,134 (3.60% / 3.60%)]
SSW SSW = 43,819
[43,819 (12.02% / 12.02%)]
SW SW = 21,389
[21,389 (5.87% / 5.87%)]
WSW WSW = 12,006
[12,006 (3.29% / 3.29%)]
W W = 15,413
[15,413 (4.23% / 4.23%)]
WNW WNW = 4,282
[4,282 (1.17% / 1.18%)]
NW NW = 6,424
[6,424 (1.76% / 1.76%)]
NNW NNW = 49,226
[49,226 (13.50% / 13.51%)]
N N = 63,239
[63,239 (17.35% / 17.35%)]

Missing observations (90 / 0.02%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 11,211
[11,211 (3.08% / 3.08%)] [11,211 / 364,423 (3.08)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 49,437
[49,437 (13.56% / 13.57%)] [60,648 / 353,212 (16.64)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 78,765
[78,765 (21.61% / 21.61%)] [139,413 / 303,775 (38.26)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 80,422
[80,422 (22.06% / 22.07%)] [219,835 / 225,010 (60.32)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 62,170
[62,170 (17.06% / 17.06%)] [282,005 / 144,588 (77.38)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 38,301
[38,301 (10.51% / 10.51%)] [320,306 / 82,418 (87.89)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 19,993
[19,993 (5.48% / 5.49%)] [340,299 / 44,117 (93.38)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,443
[10,443 (2.86% / 2.87%)] [350,742 / 24,124 (96.25)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 5,799
[5,799 (1.59% / 1.59%)] [356,541 / 13,681 (97.84)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 3,309
[3,309 (0.91% / 0.91%)] [359,850 / 7,882 (98.75)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,895
[1,895 (0.52% / 0.52%)] [361,745 / 4,573 (99.27)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,177
[1,177 (0.32% / 0.32%)] [362,922 / 2,678 (99.59)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 669
[669 (0.18% / 0.18%)] [363,591 / 1,501 (99.77)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 374
[374 (0.10% / 0.10%)] [363,965 / 832 (99.87)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 189
[189 (0.05% / 0.05%)] [364,154 / 458 (99.93)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 102
[102 (0.03% / 0.03%)] [364,256 / 269 (99.95)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 79
[79 (0.02% / 0.02%)] [364,335 / 167 (99.98)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 39
[39 (0.01% / 0.01%)] [364,374 / 88 (99.99)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 17
[17 (0.00% / 0.00%)] [364,391 / 49 (99.99)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 9
[9 (0.00% / 0.00%)] [364,400 / 32 (99.99)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 11
[11 (0.00% / 0.00%)] [364,411 / 23 (100.00)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 5
[5 (0.00% / 0.00%)] [364,416 / 12 (100.00)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [364,418 / 7 (100.00)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 1
[1 (0.00% / 0.00%)] [364,419 / 5 (100.00)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 1
[1 (0.00% / 0.00%)] [364,420 / 4 (100.00)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 2
[2 (0.00% / 0.00%)] [364,422 / 3 (100.00)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [364,423 / 1 (100.00)]

Missing observations (89 / 0.02%)

Temperature

-9.5C - -8.6C -9.5C - -8.6C = 3
[3 (0.00% / 0.00%)] [3 / 364,443 (0.00)]
-8.5C - -7.6C -8.5C - -7.6C = 4
[4 (0.00% / 0.00%)] [7 / 364,440 (0.00)]
-7.5C - -6.6C -7.5C - -6.6C = 6
[6 (0.00% / 0.00%)] [13 / 364,436 (0.00)]
-6.5C - -5.6C -6.5C - -5.6C = 17
[17 (0.00% / 0.00%)] [30 / 364,430 (0.01)]
-5.5C - -4.6C -5.5C - -4.6C = 3
[3 (0.00% / 0.00%)] [33 / 364,413 (0.01)]
-4.5C - -3.6C -4.5C - -3.6C = 11
[11 (0.00% / 0.00%)] [44 / 364,410 (0.01)]
-3.5C - -2.6C -3.5C - -2.6C = 27
[27 (0.01% / 0.01%)] [71 / 364,399 (0.02)]
-2.5C - -1.6C -2.5C - -1.6C = 71
[71 (0.02% / 0.02%)] [142 / 364,372 (0.04)]
-1.5C - -0.6C -1.5C - -0.6C = 208
[208 (0.06% / 0.06%)] [350 / 364,301 (0.10)]
-0.5C - 0.4C -0.5C - 0.4C = 2,047
[2,047 (0.56% / 0.56%)] [2,397 / 364,093 (0.66)]
0.5C - 1.4C 0.5C - 1.4C = 3,040
[3,040 (0.83% / 0.83%)] [5,437 / 362,046 (1.49)]
1.5C - 2.4C 1.5C - 2.4C = 5,263
[5,263 (1.44% / 1.44%)] [10,700 / 359,006 (2.94)]
2.5C - 3.4C 2.5C - 3.4C = 7,363
[7,363 (2.02% / 2.02%)] [18,063 / 353,743 (4.96)]
3.5C - 4.4C 3.5C - 4.4C = 9,027
[9,027 (2.48% / 2.48%)] [27,090 / 346,380 (7.43)]
4.5C - 5.4C 4.5C - 5.4C = 10,540
[10,540 (2.89% / 2.89%)] [37,630 / 337,353 (10.33)]
5.5C - 6.4C 5.5C - 6.4C = 11,581
[11,581 (3.18% / 3.18%)] [49,211 / 326,813 (13.50)]
6.5C - 7.4C 6.5C - 7.4C = 12,529
[12,529 (3.44% / 3.44%)] [61,740 / 315,232 (16.94)]
7.5C - 8.4C 7.5C - 8.4C = 12,380
[12,380 (3.40% / 3.40%)] [74,120 / 302,703 (20.34)]
8.5C - 9.4C 8.5C - 9.4C = 13,112
[13,112 (3.60% / 3.60%)] [87,232 / 290,323 (23.94)]
9.5C - 10.4C 9.5C - 10.4C = 12,459
[12,459 (3.42% / 3.42%)] [99,691 / 277,211 (27.35)]
10.5C - 11.4C 10.5C - 11.4C = 12,873
[12,873 (3.53% / 3.53%)] [112,564 / 264,752 (30.89)]
11.5C - 12.4C 11.5C - 12.4C = 12,560
[12,560 (3.45% / 3.45%)] [125,124 / 251,879 (34.33)]
12.5C - 13.4C 12.5C - 13.4C = 12,624
[12,624 (3.46% / 3.46%)] [137,748 / 239,319 (37.80)]
13.5C - 14.4C 13.5C - 14.4C = 13,465
[13,465 (3.69% / 3.69%)] [151,213 / 226,695 (41.49)]
14.5C - 15.4C 14.5C - 15.4C = 14,317
[14,317 (3.93% / 3.93%)] [165,530 / 213,230 (45.42)]
15.5C - 16.4C 15.5C - 16.4C = 15,159
[15,159 (4.16% / 4.16%)] [180,689 / 198,913 (49.58)]
16.5C - 17.4C 16.5C - 17.4C = 16,933
[16,933 (4.65% / 4.65%)] [197,622 / 183,754 (54.23)]
17.5C - 18.4C 17.5C - 18.4C = 17,516
[17,516 (4.81% / 4.81%)] [215,138 / 166,821 (59.03)]
18.5C - 19.4C 18.5C - 19.4C = 17,746
[17,746 (4.87% / 4.87%)] [232,884 / 149,305 (63.90)]
19.5C - 20.4C 19.5C - 20.4C = 16,973
[16,973 (4.66% / 4.66%)] [249,857 / 131,559 (68.56)]
20.5C - 21.4C 20.5C - 21.4C = 18,270
[18,270 (5.01% / 5.01%)] [268,127 / 114,586 (73.57)]
21.5C - 22.4C 21.5C - 22.4C = 17,394
[17,394 (4.77% / 4.77%)] [285,521 / 96,316 (78.34)]
22.5C - 23.4C 22.5C - 23.4C = 16,433
[16,433 (4.51% / 4.51%)] [301,954 / 78,922 (82.85)]
23.5C - 24.4C 23.5C - 24.4C = 15,935
[15,935 (4.37% / 4.37%)] [317,889 / 62,489 (87.23)]
24.5C - 25.4C 24.5C - 25.4C = 14,747
[14,747 (4.05% / 4.05%)] [332,636 / 46,554 (91.27)]
25.5C - 26.4C 25.5C - 26.4C = 12,287
[12,287 (3.37% / 3.37%)] [344,923 / 31,807 (94.64)]
26.5C - 27.4C 26.5C - 27.4C = 9,015
[9,015 (2.47% / 2.47%)] [353,938 / 19,520 (97.12)]
27.5C - 28.4C 27.5C - 28.4C = 5,722
[5,722 (1.57% / 1.57%)] [359,660 / 10,505 (98.69)]
28.5C - 29.4C 28.5C - 29.4C = 3,160
[3,160 (0.87% / 0.87%)] [362,820 / 4,783 (99.55)]
29.5C - 30.4C 29.5C - 30.4C = 1,228
[1,228 (0.34% / 0.34%)] [364,048 / 1,623 (99.89)]
30.5C - 31.4C 30.5C - 31.4C = 327
[327 (0.09% / 0.09%)] [364,375 / 395 (99.98)]
31.5C - 32.4C 31.5C - 32.4C = 58
[58 (0.02% / 0.02%)] [364,433 / 68 (100.00)]
32.5C - 33.4C 32.5C - 33.4C = 8
[8 (0.00% / 0.00%)] [364,441 / 10 (100.00)]
33.5C - 34.4C 33.5C - 34.4C = 1
[1 (0.00% / 0.00%)] [364,442 / 2 (100.00)]
34.5C - 35.4C 34.5C - 35.4C = 1
[1 (0.00% / 0.00%)] [364,443 / 1 (100.00)]

Missing observations (69 / 0.02%)

Sunshine Duration

0.0h 0.0h = 249,995
[249,995 (68.58% / 68.93%)] [249,995 / 362,676 (68.93)]
0.1h 0.1h = 8,810
[8,810 (2.42% / 2.43%)] [258,805 / 112,681 (71.36)]
0.2h 0.2h = 6,686
[6,686 (1.83% / 1.84%)] [265,491 / 103,871 (73.20)]
0.3h 0.3h = 5,822
[5,822 (1.60% / 1.61%)] [271,313 / 97,185 (74.81)]
0.4h 0.4h = 5,460
[5,460 (1.50% / 1.51%)] [276,773 / 91,363 (76.31)]
0.5h 0.5h = 5,283
[5,283 (1.45% / 1.46%)] [282,056 / 85,903 (77.77)]
0.6h 0.6h = 5,233
[5,233 (1.44% / 1.44%)] [287,289 / 80,620 (79.21)]
0.7h 0.7h = 5,497
[5,497 (1.51% / 1.52%)] [292,786 / 75,387 (80.73)]
0.8h 0.8h = 6,400
[6,400 (1.76% / 1.76%)] [299,186 / 69,890 (82.49)]
0.9h 0.9h = 8,659
[8,659 (2.38% / 2.39%)] [307,845 / 63,490 (84.88)]
1.0h 1.0h = 54,831
[54,831 (15.04% / 15.12%)] [362,676 / 54,831 (100.00)]

Missing observations (1,836 / 0.50%)