Station Number 45326
Prefecture Chiba [ Local Portal ]
Location 千葉県君津市坂畑 (KIMITSU SHI, CHIBA KEN)
Months of Observations 452
Number of Observations 329,889
Period of Observations
Period Name Lat. Long. Height Anemometer
1978/01/12 -- 1986/10/08 SAKAHATA 35.235N 140.098E 120m 6.5m
1986/10/09 -- 2008/02/12 SAKAHATA 35.235N 140.098E 120m 6.5m
2008/02/13 -- 2010/03/24 SAKAHATA 35.235N 140.098E 120m 6.5m
2010/03/25 -- 2015/08/99 SAKAHATA 35.235N 140.098E 120m 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
45331 OOTAKI (Chiba) 10.81km 79deg.
45361 KAMOGAWA (Chiba) 13.65km 179deg.
45291 USHIKU (Chiba) 18.54km 14deg.
45282 KISARAZU (Chiba) 20.13km 314deg.
45371 KATSUURA (Chiba) 21.65km 115deg.
45281 KISARAZU (Chiba) 22.77km 313deg.
45346 KYONAN (Chiba) 26.88km 242deg.
45261 MOBARA (Chiba) 27.92km 43deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 301,943
[301,943 (91.53% / 91.76%)] [301,943 / 329,058 (91.76%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,392
[13,392 (4.06% / 4.07%)] [315,335 / 27,115 (95.83%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,153
[5,153 (1.56% / 1.57%)] [320,488 / 13,723 (97.40%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,696
[2,696 (0.82% / 0.82%)] [323,184 / 8,570 (98.21%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,625
[1,625 (0.49% / 0.49%)] [324,809 / 5,874 (98.71%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,044
[1,044 (0.32% / 0.32%)] [325,853 / 4,249 (99.03%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 708
[708 (0.21% / 0.22%)] [326,561 / 3,205 (99.24%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 511
[511 (0.15% / 0.16%)] [327,072 / 2,497 (99.40%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 389
[389 (0.12% / 0.12%)] [327,461 / 1,986 (99.51%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 297
[297 (0.09% / 0.09%)] [327,758 / 1,597 (99.60%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 247
[247 (0.07% / 0.08%)] [328,005 / 1,300 (99.68%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 194
[194 (0.06% / 0.06%)] [328,199 / 1,053 (99.74%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 160
[160 (0.05% / 0.05%)] [328,359 / 859 (99.79%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 112
[112 (0.03% / 0.03%)] [328,471 / 699 (99.82%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 91
[91 (0.03% / 0.03%)] [328,562 / 587 (99.85%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 71
[71 (0.02% / 0.02%)] [328,633 / 496 (99.87%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 68
[68 (0.02% / 0.02%)] [328,701 / 425 (99.89%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 49
[49 (0.01% / 0.01%)] [328,750 / 357 (99.91%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 49
[49 (0.01% / 0.01%)] [328,799 / 308 (99.92%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 43
[43 (0.01% / 0.01%)] [328,842 / 259 (99.93%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 28
[28 (0.01% / 0.01%)] [328,870 / 216 (99.94%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 17
[17 (0.01% / 0.01%)] [328,887 / 188 (99.95%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 20
[20 (0.01% / 0.01%)] [328,907 / 171 (99.95%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 21
[21 (0.01% / 0.01%)] [328,928 / 151 (99.96%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 10
[10 (0.00% / 0.00%)] [328,938 / 130 (99.96%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 21
[21 (0.01% / 0.01%)] [328,959 / 120 (99.97%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 14
[14 (0.00% / 0.00%)] [328,973 / 99 (99.97%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 10
[10 (0.00% / 0.00%)] [328,983 / 85 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 7
[7 (0.00% / 0.00%)] [328,990 / 75 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [328,996 / 68 (99.98%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 3
[3 (0.00% / 0.00%)] [328,999 / 62 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 4
[4 (0.00% / 0.00%)] [329,003 / 59 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 10
[10 (0.00% / 0.00%)] [329,013 / 55 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 8
[8 (0.00% / 0.00%)] [329,021 / 45 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 9
[9 (0.00% / 0.00%)] [329,030 / 37 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 5
[5 (0.00% / 0.00%)] [329,035 / 28 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [329,041 / 23 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 3
[3 (0.00% / 0.00%)] [329,044 / 17 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [329,045 / 14 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 2
[2 (0.00% / 0.00%)] [329,047 / 13 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [329,048 / 11 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [329,049 / 10 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [329,051 / 9 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [329,052 / 7 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [329,053 / 6 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [329,054 / 5 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [329,055 / 4 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [329,056 / 3 (100.00%)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [329,057 / 2 (100.00%)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [329,058 / 1 (100.00%)]

Missing observations (831 / 0.25%)

Wind Direction

Calm Calm = 134,649
[134,649 (40.82% / 40.90%)] [0 / 0 (NA)]
NNE NNE = 10,667
[10,667 (3.23% / 3.24%)] [0 / 0 (NA)]
NE NE = 18,815
[18,815 (5.70% / 5.72%)] [0 / 0 (NA)]
ENE ENE = 28,633
[28,633 (8.68% / 8.70%)] [0 / 0 (NA)]
E E = 24,289
[24,289 (7.36% / 7.38%)] [0 / 0 (NA)]
ESE ESE = 10,517
[10,517 (3.19% / 3.19%)] [0 / 0 (NA)]
SE SE = 6,300
[6,300 (1.91% / 1.91%)] [0 / 0 (NA)]
SSE SSE = 5,878
[5,878 (1.78% / 1.79%)] [0 / 0 (NA)]
S S = 5,661
[5,661 (1.72% / 1.72%)] [0 / 0 (NA)]
SSW SSW = 8,637
[8,637 (2.62% / 2.62%)] [0 / 0 (NA)]
SW SW = 41,696
[41,696 (12.64% / 12.67%)] [0 / 0 (NA)]
WSW WSW = 21,791
[21,791 (6.61% / 6.62%)] [0 / 0 (NA)]
W W = 3,485
[3,485 (1.06% / 1.06%)] [0 / 0 (NA)]
WNW WNW = 1,682
[1,682 (0.51% / 0.51%)] [0 / 0 (NA)]
NW NW = 1,362
[1,362 (0.41% / 0.41%)] [0 / 0 (NA)]
NNW NNW = 1,653
[1,653 (0.50% / 0.50%)] [0 / 0 (NA)]
N N = 3,479
[3,479 (1.05% / 1.06%)] [0 / 0 (NA)]

Missing observations (695 / 0.21%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 141,528
[141,528 (42.90% / 42.99%)] [141,528 / 329,240 (42.99%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 109,269
[109,269 (33.12% / 33.19%)] [250,797 / 187,712 (76.17%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 47,178
[47,178 (14.30% / 14.33%)] [297,975 / 78,443 (90.50%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 17,716
[17,716 (5.37% / 5.38%)] [315,691 / 31,265 (95.88%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 7,890
[7,890 (2.39% / 2.40%)] [323,581 / 13,549 (98.28%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 3,563
[3,563 (1.08% / 1.08%)] [327,144 / 5,659 (99.36%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 1,404
[1,404 (0.43% / 0.43%)] [328,548 / 2,096 (99.79%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 467
[467 (0.14% / 0.14%)] [329,015 / 692 (99.93%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 164
[164 (0.05% / 0.05%)] [329,179 / 225 (99.98%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 34
[34 (0.01% / 0.01%)] [329,213 / 61 (99.99%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 16
[16 (0.00% / 0.00%)] [329,229 / 27 (100.00%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 7
[7 (0.00% / 0.00%)] [329,236 / 11 (100.00%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 2
[2 (0.00% / 0.00%)] [329,238 / 4 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [329,239 / 2 (100.00%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 1
[1 (0.00% / 0.00%)] [329,240 / 1 (100.00%)]

Missing observations (649 / 0.20%)

Temperature

-9.5C - -8.6C -9.5C - -8.6C = 4
[4 (0.00% / 0.00%)] [4 / 328,644 (0.00%)]
-8.5C - -7.6C -8.5C - -7.6C = 13
[13 (0.00% / 0.00%)] [17 / 328,640 (0.01%)]
-7.5C - -6.6C -7.5C - -6.6C = 38
[38 (0.01% / 0.01%)] [55 / 328,627 (0.02%)]
-6.5C - -5.6C -6.5C - -5.6C = 112
[112 (0.03% / 0.03%)] [167 / 328,589 (0.05%)]
-5.5C - -4.6C -5.5C - -4.6C = 331
[331 (0.10% / 0.10%)] [498 / 328,477 (0.15%)]
-4.5C - -3.6C -4.5C - -3.6C = 822
[822 (0.25% / 0.25%)] [1,320 / 328,146 (0.40%)]
-3.5C - -2.6C -3.5C - -2.6C = 1,736
[1,736 (0.53% / 0.53%)] [3,056 / 327,324 (0.93%)]
-2.5C - -1.6C -2.5C - -1.6C = 3,254
[3,254 (0.99% / 0.99%)] [6,310 / 325,588 (1.92%)]
-1.5C - -0.6C -1.5C - -0.6C = 5,019
[5,019 (1.52% / 1.53%)] [11,329 / 322,334 (3.45%)]
-0.5C - 0.4C -0.5C - 0.4C = 11,687
[11,687 (3.54% / 3.56%)] [23,016 / 317,315 (7.00%)]
0.5C - 1.4C 0.5C - 1.4C = 7,164
[7,164 (2.17% / 2.18%)] [30,180 / 305,628 (9.18%)]
1.5C - 2.4C 1.5C - 2.4C = 7,433
[7,433 (2.25% / 2.26%)] [37,613 / 298,464 (11.44%)]
2.5C - 3.4C 2.5C - 3.4C = 8,564
[8,564 (2.60% / 2.61%)] [46,177 / 291,031 (14.05%)]
3.5C - 4.4C 3.5C - 4.4C = 9,238
[9,238 (2.80% / 2.81%)] [55,415 / 282,467 (16.86%)]
4.5C - 5.4C 4.5C - 5.4C = 10,187
[10,187 (3.09% / 3.10%)] [65,602 / 273,229 (19.96%)]
5.5C - 6.4C 5.5C - 6.4C = 10,368
[10,368 (3.14% / 3.15%)] [75,970 / 263,042 (23.12%)]
6.5C - 7.4C 6.5C - 7.4C = 10,772
[10,772 (3.27% / 3.28%)] [86,742 / 252,674 (26.39%)]
7.5C - 8.4C 7.5C - 8.4C = 10,746
[10,746 (3.26% / 3.27%)] [97,488 / 241,902 (29.66%)]
8.5C - 9.4C 8.5C - 9.4C = 10,748
[10,748 (3.26% / 3.27%)] [108,236 / 231,156 (32.93%)]
9.5C - 10.4C 9.5C - 10.4C = 10,537
[10,537 (3.19% / 3.21%)] [118,773 / 220,408 (36.14%)]
10.5C - 11.4C 10.5C - 11.4C = 10,639
[10,639 (3.23% / 3.24%)] [129,412 / 209,871 (39.38%)]
11.5C - 12.4C 11.5C - 12.4C = 10,940
[10,940 (3.32% / 3.33%)] [140,352 / 199,232 (42.71%)]
12.5C - 13.4C 12.5C - 13.4C = 10,900
[10,900 (3.30% / 3.32%)] [151,252 / 188,292 (46.02%)]
13.5C - 14.4C 13.5C - 14.4C = 11,179
[11,179 (3.39% / 3.40%)] [162,431 / 177,392 (49.42%)]
14.5C - 15.4C 14.5C - 15.4C = 12,080
[12,080 (3.66% / 3.68%)] [174,511 / 166,213 (53.10%)]
15.5C - 16.4C 15.5C - 16.4C = 12,543
[12,543 (3.80% / 3.82%)] [187,054 / 154,133 (56.92%)]
16.5C - 17.4C 16.5C - 17.4C = 13,389
[13,389 (4.06% / 4.07%)] [200,443 / 141,590 (60.99%)]
17.5C - 18.4C 17.5C - 18.4C = 13,637
[13,637 (4.13% / 4.15%)] [214,080 / 128,201 (65.14%)]
18.5C - 19.4C 18.5C - 19.4C = 13,496
[13,496 (4.09% / 4.11%)] [227,576 / 114,564 (69.25%)]
19.5C - 20.4C 19.5C - 20.4C = 13,081
[13,081 (3.97% / 3.98%)] [240,657 / 101,068 (73.23%)]
20.5C - 21.4C 20.5C - 21.4C = 13,293
[13,293 (4.03% / 4.04%)] [253,950 / 87,987 (77.27%)]
21.5C - 22.4C 21.5C - 22.4C = 12,526
[12,526 (3.80% / 3.81%)] [266,476 / 74,694 (81.08%)]
22.5C - 23.4C 22.5C - 23.4C = 11,710
[11,710 (3.55% / 3.56%)] [278,186 / 62,168 (84.65%)]
23.5C - 24.4C 23.5C - 24.4C = 10,938
[10,938 (3.32% / 3.33%)] [289,124 / 50,458 (87.97%)]
24.5C - 25.4C 24.5C - 25.4C = 10,619
[10,619 (3.22% / 3.23%)] [299,743 / 39,520 (91.21%)]
25.5C - 26.4C 25.5C - 26.4C = 8,887
[8,887 (2.69% / 2.70%)] [308,630 / 28,901 (93.91%)]
26.5C - 27.4C 26.5C - 27.4C = 6,084
[6,084 (1.84% / 1.85%)] [314,714 / 20,014 (95.76%)]
27.5C - 28.4C 27.5C - 28.4C = 4,535
[4,535 (1.37% / 1.38%)] [319,249 / 13,930 (97.14%)]
28.5C - 29.4C 28.5C - 29.4C = 3,567
[3,567 (1.08% / 1.09%)] [322,816 / 9,395 (98.23%)]
29.5C - 30.4C 29.5C - 30.4C = 2,664
[2,664 (0.81% / 0.81%)] [325,480 / 5,828 (99.04%)]
30.5C - 31.4C 30.5C - 31.4C = 1,726
[1,726 (0.52% / 0.53%)] [327,206 / 3,164 (99.56%)]
31.5C - 32.4C 31.5C - 32.4C = 881
[881 (0.27% / 0.27%)] [328,087 / 1,438 (99.83%)]
32.5C - 33.4C 32.5C - 33.4C = 379
[379 (0.11% / 0.12%)] [328,466 / 557 (99.95%)]
33.5C - 34.4C 33.5C - 34.4C = 120
[120 (0.04% / 0.04%)] [328,586 / 178 (99.98%)]
34.5C - 35.4C 34.5C - 35.4C = 50
[50 (0.02% / 0.02%)] [328,636 / 58 (100.00%)]
35.5C - 36.4C 35.5C - 36.4C = 6
[6 (0.00% / 0.00%)] [328,642 / 8 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 2
[2 (0.00% / 0.00%)] [328,644 / 2 (100.00%)]

Missing observations (1,245 / 0.38%)

Sunshine Duration

0.0h 0.0h = 235,787
[235,787 (71.47% / 71.60%)] [235,787 / 329,306 (71.60%)]
0.1h 0.1h = 8,209
[8,209 (2.49% / 2.49%)] [243,996 / 93,519 (74.09%)]
0.2h 0.2h = 5,921
[5,921 (1.79% / 1.80%)] [249,917 / 85,310 (75.89%)]
0.3h 0.3h = 5,273
[5,273 (1.60% / 1.60%)] [255,190 / 79,389 (77.49%)]
0.4h 0.4h = 5,071
[5,071 (1.54% / 1.54%)] [260,261 / 74,116 (79.03%)]
0.5h 0.5h = 5,065
[5,065 (1.54% / 1.54%)] [265,326 / 69,045 (80.57%)]
0.6h 0.6h = 5,252
[5,252 (1.59% / 1.59%)] [270,578 / 63,980 (82.17%)]
0.7h 0.7h = 5,621
[5,621 (1.70% / 1.71%)] [276,199 / 58,728 (83.87%)]
0.8h 0.8h = 5,937
[5,937 (1.80% / 1.80%)] [282,136 / 53,107 (85.68%)]
0.9h 0.9h = 7,904
[7,904 (2.40% / 2.40%)] [290,040 / 47,170 (88.08%)]
1.0h 1.0h = 39,266
[39,266 (11.90% / 11.92%)] [329,306 / 39,266 (100.00%)]

Missing observations (583 / 0.18%)