Station Number 45261
Prefecture Chiba [ Local Portal ]
Location 千葉県茂原市早野字川中島 (MOBARA SHI, CHIBA KEN)
Months of Observations 495
Number of Observations 361,584
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1978/01/10 MOBARA 35.417N 140.310E 9m 0.0m
1978/01/11 -- 1986/06/26 MOBARA 35.417N 140.310E 9m 6.5m
1986/06/27 -- 2008/02/07 MOBARA 35.417N 140.310E 9m 6.5m
2008/02/08 -- 2010/02/28 MOBARA 35.417N 140.310E 9m 6.5m
2010/03/01 -- 2017/03/99 MOBARA 35.417N 140.310E 9m 10.0m
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
45291 USHIKU (Chiba) 14.88km 261deg.
45331 OOTAKI (Chiba) 20.24km 205deg.
45211 CHIBA (Chiba) 26.39km 318deg.
45212 CHIBA (Chiba) 27.82km 317deg.
45905 (Chiba) 27.82km 317deg.
45326 SAKAHATA (Chiba) 27.92km 223deg.
45371 KATSUURA (Chiba) 29.62km 179deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 334,789
[334,789 (92.59% / 92.82%)] [334,789 / 360,673 (92.82%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,267
[13,267 (3.67% / 3.68%)] [348,056 / 25,884 (96.50%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,911
[4,911 (1.36% / 1.36%)] [352,967 / 12,617 (97.86%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,495
[2,495 (0.69% / 0.69%)] [355,462 / 7,706 (98.56%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,457
[1,457 (0.40% / 0.40%)] [356,919 / 5,211 (98.96%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 980
[980 (0.27% / 0.27%)] [357,899 / 3,754 (99.23%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 651
[651 (0.18% / 0.18%)] [358,550 / 2,774 (99.41%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 460
[460 (0.13% / 0.13%)] [359,010 / 2,123 (99.54%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 364
[364 (0.10% / 0.10%)] [359,374 / 1,663 (99.64%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 252
[252 (0.07% / 0.07%)] [359,626 / 1,299 (99.71%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 194
[194 (0.05% / 0.05%)] [359,820 / 1,047 (99.76%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 172
[172 (0.05% / 0.05%)] [359,992 / 853 (99.81%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 116
[116 (0.03% / 0.03%)] [360,108 / 681 (99.84%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 90
[90 (0.02% / 0.02%)] [360,198 / 565 (99.87%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 76
[76 (0.02% / 0.02%)] [360,274 / 475 (99.89%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 53
[53 (0.01% / 0.01%)] [360,327 / 399 (99.90%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 62
[62 (0.02% / 0.02%)] [360,389 / 346 (99.92%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 41
[41 (0.01% / 0.01%)] [360,430 / 284 (99.93%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 40
[40 (0.01% / 0.01%)] [360,470 / 243 (99.94%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 25
[25 (0.01% / 0.01%)] [360,495 / 203 (99.95%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 22
[22 (0.01% / 0.01%)] [360,517 / 178 (99.96%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 19
[19 (0.01% / 0.01%)] [360,536 / 156 (99.96%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 24
[24 (0.01% / 0.01%)] [360,560 / 137 (99.97%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 13
[13 (0.00% / 0.00%)] [360,573 / 113 (99.97%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 10
[10 (0.00% / 0.00%)] [360,583 / 100 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 4
[4 (0.00% / 0.00%)] [360,587 / 90 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.00% / 0.00%)] [360,597 / 86 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 12
[12 (0.00% / 0.00%)] [360,609 / 76 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 9
[9 (0.00% / 0.00%)] [360,618 / 64 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [360,624 / 55 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 5
[5 (0.00% / 0.00%)] [360,629 / 49 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 4
[4 (0.00% / 0.00%)] [360,633 / 44 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 4
[4 (0.00% / 0.00%)] [360,637 / 40 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 3
[3 (0.00% / 0.00%)] [360,640 / 36 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 4
[4 (0.00% / 0.00%)] [360,644 / 33 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 2
[2 (0.00% / 0.00%)] [360,646 / 29 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [360,647 / 27 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 3
[3 (0.00% / 0.00%)] [360,650 / 26 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [360,652 / 23 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [360,656 / 21 (100.00%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [360,658 / 17 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [360,659 / 15 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [360,661 / 14 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [360,662 / 12 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [360,663 / 11 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [360,664 / 10 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [360,665 / 9 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 2
[2 (0.00% / 0.00%)] [360,667 / 8 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [360,668 / 6 (100.00%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 1
[1 (0.00% / 0.00%)] [360,669 / 5 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [360,670 / 4 (100.00%)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [360,671 / 3 (100.00%)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 2
[2 (0.00% / 0.00%)] [360,673 / 2 (100.00%)]

Missing observations (911 / 0.25%)

Wind Direction

Calm Calm = 56,346
[56,346 (15.58% / 16.43%)] [0 / 0 (NA)]
NNE NNE = 27,584
[27,584 (7.63% / 8.04%)] [0 / 0 (NA)]
NE NE = 16,857
[16,857 (4.66% / 4.92%)] [0 / 0 (NA)]
ENE ENE = 16,239
[16,239 (4.49% / 4.74%)] [0 / 0 (NA)]
E E = 10,585
[10,585 (2.93% / 3.09%)] [0 / 0 (NA)]
ESE ESE = 7,918
[7,918 (2.19% / 2.31%)] [0 / 0 (NA)]
SE SE = 8,935
[8,935 (2.47% / 2.61%)] [0 / 0 (NA)]
SSE SSE = 13,693
[13,693 (3.79% / 3.99%)] [0 / 0 (NA)]
S S = 18,520
[18,520 (5.12% / 5.40%)] [0 / 0 (NA)]
SSW SSW = 19,595
[19,595 (5.42% / 5.71%)] [0 / 0 (NA)]
SW SW = 16,650
[16,650 (4.60% / 4.86%)] [0 / 0 (NA)]
WSW WSW = 7,775
[7,775 (2.15% / 2.27%)] [0 / 0 (NA)]
W W = 8,627
[8,627 (2.39% / 2.52%)] [0 / 0 (NA)]
WNW WNW = 23,324
[23,324 (6.45% / 6.80%)] [0 / 0 (NA)]
NW NW = 28,738
[28,738 (7.95% / 8.38%)] [0 / 0 (NA)]
NNW NNW = 27,056
[27,056 (7.48% / 7.89%)] [0 / 0 (NA)]
N N = 34,472
[34,472 (9.53% / 10.05%)] [0 / 0 (NA)]

Missing observations (18,670 / 5.16%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 59,282
[59,282 (16.40% / 17.28%)] [59,282 / 343,075 (17.28%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 113,187
[113,187 (31.30% / 32.99%)] [172,469 / 283,793 (50.27%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 96,092
[96,092 (26.58% / 28.01%)] [268,561 / 170,606 (78.28%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 46,965
[46,965 (12.99% / 13.69%)] [315,526 / 74,514 (91.97%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 17,832
[17,832 (4.93% / 5.20%)] [333,358 / 27,549 (97.17%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,426
[6,426 (1.78% / 1.87%)] [339,784 / 9,717 (99.04%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,217
[2,217 (0.61% / 0.65%)] [342,001 / 3,291 (99.69%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 749
[749 (0.21% / 0.22%)] [342,750 / 1,074 (99.91%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 223
[223 (0.06% / 0.07%)] [342,973 / 325 (99.97%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 67
[67 (0.02% / 0.02%)] [343,040 / 102 (99.99%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 22
[22 (0.01% / 0.01%)] [343,062 / 35 (100.00%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 8
[8 (0.00% / 0.00%)] [343,070 / 13 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 3
[3 (0.00% / 0.00%)] [343,073 / 5 (100.00%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 1
[1 (0.00% / 0.00%)] [343,074 / 2 (100.00%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 1
[1 (0.00% / 0.00%)] [343,075 / 1 (100.00%)]

Missing observations (18,509 / 5.12%)

Temperature

-7.5C - -6.6C -7.5C - -6.6C = 2
[2 (0.00% / 0.00%)] [2 / 342,972 (0.00%)]
-6.5C - -5.6C -6.5C - -5.6C = 13
[13 (0.00% / 0.00%)] [15 / 342,970 (0.00%)]
-5.5C - -4.6C -5.5C - -4.6C = 42
[42 (0.01% / 0.01%)] [57 / 342,957 (0.02%)]
-4.5C - -3.6C -4.5C - -3.6C = 108
[108 (0.03% / 0.03%)] [165 / 342,915 (0.05%)]
-3.5C - -2.6C -3.5C - -2.6C = 299
[299 (0.08% / 0.09%)] [464 / 342,807 (0.14%)]
-2.5C - -1.6C -2.5C - -1.6C = 722
[722 (0.20% / 0.21%)] [1,186 / 342,508 (0.35%)]
-1.5C - -0.6C -1.5C - -0.6C = 1,591
[1,591 (0.44% / 0.46%)] [2,777 / 341,786 (0.81%)]
-0.5C - 0.4C -0.5C - 0.4C = 6,362
[6,362 (1.76% / 1.85%)] [9,139 / 340,195 (2.66%)]
0.5C - 1.4C 0.5C - 1.4C = 5,546
[5,546 (1.53% / 1.62%)] [14,685 / 333,833 (4.28%)]
1.5C - 2.4C 1.5C - 2.4C = 7,012
[7,012 (1.94% / 2.04%)] [21,697 / 328,287 (6.33%)]
2.5C - 3.4C 2.5C - 3.4C = 8,375
[8,375 (2.32% / 2.44%)] [30,072 / 321,275 (8.77%)]
3.5C - 4.4C 3.5C - 4.4C = 9,665
[9,665 (2.67% / 2.82%)] [39,737 / 312,900 (11.59%)]
4.5C - 5.4C 4.5C - 5.4C = 10,695
[10,695 (2.96% / 3.12%)] [50,432 / 303,235 (14.70%)]
5.5C - 6.4C 5.5C - 6.4C = 11,126
[11,126 (3.08% / 3.24%)] [61,558 / 292,540 (17.95%)]
6.5C - 7.4C 6.5C - 7.4C = 11,772
[11,772 (3.26% / 3.43%)] [73,330 / 281,414 (21.38%)]
7.5C - 8.4C 7.5C - 8.4C = 11,899
[11,899 (3.29% / 3.47%)] [85,229 / 269,642 (24.85%)]
8.5C - 9.4C 8.5C - 9.4C = 12,130
[12,130 (3.35% / 3.54%)] [97,359 / 257,743 (28.39%)]
9.5C - 10.4C 9.5C - 10.4C = 12,101
[12,101 (3.35% / 3.53%)] [109,460 / 245,613 (31.92%)]
10.5C - 11.4C 10.5C - 11.4C = 11,496
[11,496 (3.18% / 3.35%)] [120,956 / 233,512 (35.27%)]
11.5C - 12.4C 11.5C - 12.4C = 11,481
[11,481 (3.18% / 3.35%)] [132,437 / 222,016 (38.61%)]
12.5C - 13.4C 12.5C - 13.4C = 11,128
[11,128 (3.08% / 3.24%)] [143,565 / 210,535 (41.86%)]
13.5C - 14.4C 13.5C - 14.4C = 11,741
[11,741 (3.25% / 3.42%)] [155,306 / 199,407 (45.28%)]
14.5C - 15.4C 14.5C - 15.4C = 12,109
[12,109 (3.35% / 3.53%)] [167,415 / 187,666 (48.81%)]
15.5C - 16.4C 15.5C - 16.4C = 12,416
[12,416 (3.43% / 3.62%)] [179,831 / 175,557 (52.43%)]
16.5C - 17.4C 16.5C - 17.4C = 13,323
[13,323 (3.68% / 3.88%)] [193,154 / 163,141 (56.32%)]
17.5C - 18.4C 17.5C - 18.4C = 14,084
[14,084 (3.90% / 4.11%)] [207,238 / 149,818 (60.42%)]
18.5C - 19.4C 18.5C - 19.4C = 14,374
[14,374 (3.98% / 4.19%)] [221,612 / 135,734 (64.62%)]
19.5C - 20.4C 19.5C - 20.4C = 14,366
[14,366 (3.97% / 4.19%)] [235,978 / 121,360 (68.80%)]
20.5C - 21.4C 20.5C - 21.4C = 14,370
[14,370 (3.97% / 4.19%)] [250,348 / 106,994 (72.99%)]
21.5C - 22.4C 21.5C - 22.4C = 13,412
[13,412 (3.71% / 3.91%)] [263,760 / 92,624 (76.90%)]
22.5C - 23.4C 22.5C - 23.4C = 13,342
[13,342 (3.69% / 3.89%)] [277,102 / 79,212 (80.79%)]
23.5C - 24.4C 23.5C - 24.4C = 12,899
[12,899 (3.57% / 3.76%)] [290,001 / 65,870 (84.56%)]
24.5C - 25.4C 24.5C - 25.4C = 12,219
[12,219 (3.38% / 3.56%)] [302,220 / 52,971 (88.12%)]
25.5C - 26.4C 25.5C - 26.4C = 10,423
[10,423 (2.88% / 3.04%)] [312,643 / 40,752 (91.16%)]
26.5C - 27.4C 26.5C - 27.4C = 8,089
[8,089 (2.24% / 2.36%)] [320,732 / 30,329 (93.52%)]
27.5C - 28.4C 27.5C - 28.4C = 5,971
[5,971 (1.65% / 1.74%)] [326,703 / 22,240 (95.26%)]
28.5C - 29.4C 28.5C - 29.4C = 4,573
[4,573 (1.26% / 1.33%)] [331,276 / 16,269 (96.59%)]
29.5C - 30.4C 29.5C - 30.4C = 3,698
[3,698 (1.02% / 1.08%)] [334,974 / 11,696 (97.67%)]
30.5C - 31.4C 30.5C - 31.4C = 2,951
[2,951 (0.82% / 0.86%)] [337,925 / 7,998 (98.53%)]
31.5C - 32.4C 31.5C - 32.4C = 2,245
[2,245 (0.62% / 0.65%)] [340,170 / 5,047 (99.18%)]
32.5C - 33.4C 32.5C - 33.4C = 1,515
[1,515 (0.42% / 0.44%)] [341,685 / 2,802 (99.62%)]
33.5C - 34.4C 33.5C - 34.4C = 786
[786 (0.22% / 0.23%)] [342,471 / 1,287 (99.85%)]
34.5C - 35.4C 34.5C - 35.4C = 350
[350 (0.10% / 0.10%)] [342,821 / 501 (99.96%)]
35.5C - 36.4C 35.5C - 36.4C = 117
[117 (0.03% / 0.03%)] [342,938 / 151 (99.99%)]
36.5C - 37.4C 36.5C - 37.4C = 24
[24 (0.01% / 0.01%)] [342,962 / 34 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 10
[10 (0.00% / 0.00%)] [342,972 / 10 (100.00%)]

Missing observations (18,612 / 5.15%)

Sunshine Duration

0.0h 0.0h = 245,112
[245,112 (67.79% / 71.46%)] [245,112 / 343,015 (71.46%)]
0.1h 0.1h = 7,633
[7,633 (2.11% / 2.23%)] [252,745 / 97,903 (73.68%)]
0.2h 0.2h = 5,740
[5,740 (1.59% / 1.67%)] [258,485 / 90,270 (75.36%)]
0.3h 0.3h = 5,081
[5,081 (1.41% / 1.48%)] [263,566 / 84,530 (76.84%)]
0.4h 0.4h = 4,826
[4,826 (1.33% / 1.41%)] [268,392 / 79,449 (78.24%)]
0.5h 0.5h = 5,195
[5,195 (1.44% / 1.51%)] [273,587 / 74,623 (79.76%)]
0.6h 0.6h = 5,139
[5,139 (1.42% / 1.50%)] [278,726 / 69,428 (81.26%)]
0.7h 0.7h = 5,393
[5,393 (1.49% / 1.57%)] [284,119 / 64,289 (82.83%)]
0.8h 0.8h = 6,076
[6,076 (1.68% / 1.77%)] [290,195 / 58,896 (84.60%)]
0.9h 0.9h = 7,862
[7,862 (2.17% / 2.29%)] [298,057 / 52,820 (86.89%)]
1.0h 1.0h = 44,958
[44,958 (12.43% / 13.11%)] [343,015 / 44,958 (100.00%)]

Missing observations (18,569 / 5.14%)