Station Number 45291
Prefecture Chiba [ Local Portal ]
Location 千葉県市原市米沢 (ICHIHARA SHI, CHIBA KEN)
Months of Observations 504
Number of Observations 367,905
Period of Observations
Period Name Lat. Long. Height Anemometer
1978/01/11 -- 1985/11/12 USHIKU 35.397N 140.148E 30m 6.5m
1985/11/13 -- 2002/12/23 USHIKU 35.397N 140.148E 30m 6.5m
2002/12/24 -- 2008/02/14 USHIKU 35.397N 140.148E 30m 9.4m
2008/02/15 -- 2019/12/99 USHIKU 35.397N 140.148E 30m 9.4m
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
45261 MOBARA (Chiba) 14.07km 71deg.
45331 OOTAKI (Chiba) 17.20km 159deg.
45326 SAKAHATA (Chiba) 18.54km 194deg.
45282 KISARAZU (Chiba) 19.29km 258deg.
45281 KISARAZU (Chiba) 21.31km 263deg.
45211 CHIBA (Chiba) 22.15km 352deg.
45212 CHIBA (Chiba) 23.11km 349deg.
45905 (Chiba) 23.11km 349deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 340,031
[340,031 (92.42% / 92.57%)] [340,031 / 367,327 (92.57)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 14,269
[14,269 (3.88% / 3.88%)] [354,300 / 27,296 (96.45)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,195
[5,195 (1.41% / 1.41%)] [359,495 / 13,027 (97.87)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,655
[2,655 (0.72% / 0.72%)] [362,150 / 7,832 (98.59)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,505
[1,505 (0.41% / 0.41%)] [363,655 / 5,177 (99.00)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 964
[964 (0.26% / 0.26%)] [364,619 / 3,672 (99.26)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 664
[664 (0.18% / 0.18%)] [365,283 / 2,708 (99.44)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 454
[454 (0.12% / 0.12%)] [365,737 / 2,044 (99.57)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 346
[346 (0.09% / 0.09%)] [366,083 / 1,590 (99.66)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 241
[241 (0.07% / 0.07%)] [366,324 / 1,244 (99.73)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 192
[192 (0.05% / 0.05%)] [366,516 / 1,003 (99.78)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 149
[149 (0.04% / 0.04%)] [366,665 / 811 (99.82)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 129
[129 (0.04% / 0.04%)] [366,794 / 662 (99.85)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 92
[92 (0.03% / 0.03%)] [366,886 / 533 (99.88)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 83
[83 (0.02% / 0.02%)] [366,969 / 441 (99.90)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 46
[46 (0.01% / 0.01%)] [367,015 / 358 (99.92)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 50
[50 (0.01% / 0.01%)] [367,065 / 312 (99.93)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 30
[30 (0.01% / 0.01%)] [367,095 / 262 (99.94)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 29
[29 (0.01% / 0.01%)] [367,124 / 232 (99.94)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 30
[30 (0.01% / 0.01%)] [367,154 / 203 (99.95)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 20
[20 (0.01% / 0.01%)] [367,174 / 173 (99.96)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 9
[9 (0.00% / 0.00%)] [367,183 / 153 (99.96)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 17
[17 (0.00% / 0.00%)] [367,200 / 144 (99.97)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 14
[14 (0.00% / 0.00%)] [367,214 / 127 (99.97)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 10
[10 (0.00% / 0.00%)] [367,224 / 113 (99.97)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 7
[7 (0.00% / 0.00%)] [367,231 / 103 (99.97)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 10
[10 (0.00% / 0.00%)] [367,241 / 96 (99.98)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 12
[12 (0.00% / 0.00%)] [367,253 / 86 (99.98)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 8
[8 (0.00% / 0.00%)] [367,261 / 74 (99.98)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 7
[7 (0.00% / 0.00%)] [367,268 / 66 (99.98)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 7
[7 (0.00% / 0.00%)] [367,275 / 59 (99.99)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 2
[2 (0.00% / 0.00%)] [367,277 / 52 (99.99)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 8
[8 (0.00% / 0.00%)] [367,285 / 50 (99.99)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 7
[7 (0.00% / 0.00%)] [367,292 / 42 (99.99)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [367,294 / 35 (99.99)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [367,298 / 33 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [367,304 / 29 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 4
[4 (0.00% / 0.00%)] [367,308 / 23 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [367,310 / 19 (100.00)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 1
[1 (0.00% / 0.00%)] [367,311 / 17 (100.00)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 2
[2 (0.00% / 0.00%)] [367,313 / 16 (100.00)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [367,316 / 14 (100.00)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [367,318 / 11 (100.00)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [367,319 / 9 (100.00)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [367,320 / 8 (100.00)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 2
[2 (0.00% / 0.00%)] [367,322 / 7 (100.00)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [367,323 / 5 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [367,324 / 4 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [367,325 / 3 (100.00)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [367,326 / 2 (100.00)]
79.5mm - 80.4mm 79.5mm - 80.4mm = 1
[1 (0.00% / 0.00%)] [367,327 / 1 (100.00)]

Missing observations (578 / 0.16%)

Wind Direction

Calm Calm = 71,190
[71,190 (19.35% / 19.37%)]
NNE NNE = 12,082
[12,082 (3.28% / 3.29%)]
NE NE = 12,939
[12,939 (3.52% / 3.52%)]
ENE ENE = 19,756
[19,756 (5.37% / 5.38%)]
E E = 43,473
[43,473 (11.82% / 11.83%)]
ESE ESE = 29,090
[29,090 (7.91% / 7.92%)]
SE SE = 15,544
[15,544 (4.23% / 4.23%)]
SSE SSE = 11,690
[11,690 (3.18% / 3.18%)]
S S = 12,523
[12,523 (3.40% / 3.41%)]
SSW SSW = 17,173
[17,173 (4.67% / 4.67%)]
SW SW = 17,556
[17,556 (4.77% / 4.78%)]
WSW WSW = 10,232
[10,232 (2.78% / 2.78%)]
W W = 5,844
[5,844 (1.59% / 1.59%)]
WNW WNW = 11,852
[11,852 (3.22% / 3.23%)]
NW NW = 28,058
[28,058 (7.63% / 7.64%)]
NNW NNW = 27,990
[27,990 (7.61% / 7.62%)]
N N = 20,444
[20,444 (5.56% / 5.56%)]

Missing observations (469 / 0.13%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 77,430
[77,430 (21.05% / 21.07%)] [77,430 / 367,457 (21.07)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 127,719
[127,719 (34.72% / 34.76%)] [205,149 / 290,027 (55.83)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 85,296
[85,296 (23.18% / 23.21%)] [290,445 / 162,308 (79.04)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 45,143
[45,143 (12.27% / 12.29%)] [335,588 / 77,012 (91.33)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 19,056
[19,056 (5.18% / 5.19%)] [354,644 / 31,869 (96.51)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 8,196
[8,196 (2.23% / 2.23%)] [362,840 / 12,813 (98.74)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,181
[3,181 (0.86% / 0.87%)] [366,021 / 4,617 (99.61)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,028
[1,028 (0.28% / 0.28%)] [367,049 / 1,436 (99.89)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 295
[295 (0.08% / 0.08%)] [367,344 / 408 (99.97)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 74
[74 (0.02% / 0.02%)] [367,418 / 113 (99.99)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 27
[27 (0.01% / 0.01%)] [367,445 / 39 (100.00)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 8
[8 (0.00% / 0.00%)] [367,453 / 12 (100.00)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 2
[2 (0.00% / 0.00%)] [367,455 / 4 (100.00)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1
[1 (0.00% / 0.00%)] [367,456 / 2 (100.00)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 1
[1 (0.00% / 0.00%)] [367,457 / 1 (100.00)]

Missing observations (448 / 0.12%)

Temperature

-8.5C - -7.6C -8.5C - -7.6C = 4
[4 (0.00% / 0.00%)] [4 / 367,563 (0.00)]
-7.5C - -6.6C -7.5C - -6.6C = 26
[26 (0.01% / 0.01%)] [30 / 367,559 (0.01)]
-6.5C - -5.6C -6.5C - -5.6C = 139
[139 (0.04% / 0.04%)] [169 / 367,533 (0.05)]
-5.5C - -4.6C -5.5C - -4.6C = 340
[340 (0.09% / 0.09%)] [509 / 367,394 (0.14)]
-4.5C - -3.6C -4.5C - -3.6C = 846
[846 (0.23% / 0.23%)] [1,355 / 367,054 (0.37)]
-3.5C - -2.6C -3.5C - -2.6C = 1,686
[1,686 (0.46% / 0.46%)] [3,041 / 366,208 (0.83)]
-2.5C - -1.6C -2.5C - -1.6C = 2,637
[2,637 (0.72% / 0.72%)] [5,678 / 364,522 (1.54)]
-1.5C - -0.6C -1.5C - -0.6C = 3,926
[3,926 (1.07% / 1.07%)] [9,604 / 361,885 (2.61)]
-0.5C - 0.4C -0.5C - 0.4C = 10,445
[10,445 (2.84% / 2.84%)] [20,049 / 357,959 (5.45)]
0.5C - 1.4C 0.5C - 1.4C = 6,840
[6,840 (1.86% / 1.86%)] [26,889 / 347,514 (7.32)]
1.5C - 2.4C 1.5C - 2.4C = 7,744
[7,744 (2.10% / 2.11%)] [34,633 / 340,674 (9.42)]
2.5C - 3.4C 2.5C - 3.4C = 8,693
[8,693 (2.36% / 2.37%)] [43,326 / 332,930 (11.79)]
3.5C - 4.4C 3.5C - 4.4C = 9,761
[9,761 (2.65% / 2.66%)] [53,087 / 324,237 (14.44)]
4.5C - 5.4C 4.5C - 5.4C = 10,361
[10,361 (2.82% / 2.82%)] [63,448 / 314,476 (17.26)]
5.5C - 6.4C 5.5C - 6.4C = 11,172
[11,172 (3.04% / 3.04%)] [74,620 / 304,115 (20.30)]
6.5C - 7.4C 6.5C - 7.4C = 11,648
[11,648 (3.17% / 3.17%)] [86,268 / 292,943 (23.47)]
7.5C - 8.4C 7.5C - 8.4C = 12,019
[12,019 (3.27% / 3.27%)] [98,287 / 281,295 (26.74)]
8.5C - 9.4C 8.5C - 9.4C = 12,220
[12,220 (3.32% / 3.32%)] [110,507 / 269,276 (30.06)]
9.5C - 10.4C 9.5C - 10.4C = 12,093
[12,093 (3.29% / 3.29%)] [122,600 / 257,056 (33.35)]
10.5C - 11.4C 10.5C - 11.4C = 11,690
[11,690 (3.18% / 3.18%)] [134,290 / 244,963 (36.54)]
11.5C - 12.4C 11.5C - 12.4C = 11,828
[11,828 (3.21% / 3.22%)] [146,118 / 233,273 (39.75)]
12.5C - 13.4C 12.5C - 13.4C = 12,071
[12,071 (3.28% / 3.28%)] [158,189 / 221,445 (43.04)]
13.5C - 14.4C 13.5C - 14.4C = 12,230
[12,230 (3.32% / 3.33%)] [170,419 / 209,374 (46.36)]
14.5C - 15.4C 14.5C - 15.4C = 12,528
[12,528 (3.41% / 3.41%)] [182,947 / 197,144 (49.77)]
15.5C - 16.4C 15.5C - 16.4C = 13,260
[13,260 (3.60% / 3.61%)] [196,207 / 184,616 (53.38)]
16.5C - 17.4C 16.5C - 17.4C = 13,933
[13,933 (3.79% / 3.79%)] [210,140 / 171,356 (57.17)]
17.5C - 18.4C 17.5C - 18.4C = 14,738
[14,738 (4.01% / 4.01%)] [224,878 / 157,423 (61.18)]
18.5C - 19.4C 18.5C - 19.4C = 14,993
[14,993 (4.08% / 4.08%)] [239,871 / 142,685 (65.26)]
19.5C - 20.4C 19.5C - 20.4C = 14,651
[14,651 (3.98% / 3.99%)] [254,522 / 127,692 (69.25)]
20.5C - 21.4C 20.5C - 21.4C = 14,485
[14,485 (3.94% / 3.94%)] [269,007 / 113,041 (73.19)]
21.5C - 22.4C 21.5C - 22.4C = 14,183
[14,183 (3.86% / 3.86%)] [283,190 / 98,556 (77.05)]
22.5C - 23.4C 22.5C - 23.4C = 14,371
[14,371 (3.91% / 3.91%)] [297,561 / 84,373 (80.96)]
23.5C - 24.4C 23.5C - 24.4C = 13,337
[13,337 (3.63% / 3.63%)] [310,898 / 70,002 (84.58)]
24.5C - 25.4C 24.5C - 25.4C = 12,208
[12,208 (3.32% / 3.32%)] [323,106 / 56,665 (87.90)]
25.5C - 26.4C 25.5C - 26.4C = 10,441
[10,441 (2.84% / 2.84%)] [333,547 / 44,457 (90.75)]
26.5C - 27.4C 26.5C - 27.4C = 8,255
[8,255 (2.24% / 2.25%)] [341,802 / 34,016 (92.99)]
27.5C - 28.4C 27.5C - 28.4C = 6,391
[6,391 (1.74% / 1.74%)] [348,193 / 25,761 (94.73)]
28.5C - 29.4C 28.5C - 29.4C = 5,070
[5,070 (1.38% / 1.38%)] [353,263 / 19,370 (96.11)]
29.5C - 30.4C 29.5C - 30.4C = 4,102
[4,102 (1.11% / 1.12%)] [357,365 / 14,300 (97.23)]
30.5C - 31.4C 30.5C - 31.4C = 3,404
[3,404 (0.93% / 0.93%)] [360,769 / 10,198 (98.15)]
31.5C - 32.4C 31.5C - 32.4C = 2,851
[2,851 (0.77% / 0.78%)] [363,620 / 6,794 (98.93)]
32.5C - 33.4C 32.5C - 33.4C = 1,921
[1,921 (0.52% / 0.52%)] [365,541 / 3,943 (99.45)]
33.5C - 34.4C 33.5C - 34.4C = 1,198
[1,198 (0.33% / 0.33%)] [366,739 / 2,022 (99.78)]
34.5C - 35.4C 34.5C - 35.4C = 554
[554 (0.15% / 0.15%)] [367,293 / 824 (99.93)]
35.5C - 36.4C 35.5C - 36.4C = 199
[199 (0.05% / 0.05%)] [367,492 / 270 (99.98)]
36.5C - 37.4C 36.5C - 37.4C = 53
[53 (0.01% / 0.01%)] [367,545 / 71 (100.00)]
37.5C - 38.4C 37.5C - 38.4C = 14
[14 (0.00% / 0.00%)] [367,559 / 18 (100.00)]
38.5C - 39.4C 38.5C - 39.4C = 2
[2 (0.00% / 0.00%)] [367,561 / 4 (100.00)]
39.5C - 40.4C 39.5C - 40.4C = 2
[2 (0.00% / 0.00%)] [367,563 / 2 (100.00)]

Missing observations (342 / 0.09%)

Sunshine Duration

0.0h 0.0h = 262,336
[262,336 (71.31% / 71.38%)] [262,336 / 367,523 (71.38)]
0.1h 0.1h = 8,620
[8,620 (2.34% / 2.35%)] [270,956 / 105,187 (73.72)]
0.2h 0.2h = 6,778
[6,778 (1.84% / 1.84%)] [277,734 / 96,567 (75.57)]
0.3h 0.3h = 5,892
[5,892 (1.60% / 1.60%)] [283,626 / 89,789 (77.17)]
0.4h 0.4h = 5,502
[5,502 (1.50% / 1.50%)] [289,128 / 83,897 (78.67)]
0.5h 0.5h = 5,552
[5,552 (1.51% / 1.51%)] [294,680 / 78,395 (80.18)]
0.6h 0.6h = 5,616
[5,616 (1.53% / 1.53%)] [300,296 / 72,843 (81.71)]
0.7h 0.7h = 6,123
[6,123 (1.66% / 1.67%)] [306,419 / 67,227 (83.37)]
0.8h 0.8h = 6,780
[6,780 (1.84% / 1.84%)] [313,199 / 61,104 (85.22)]
0.9h 0.9h = 8,570
[8,570 (2.33% / 2.33%)] [321,769 / 54,324 (87.55)]
1.0h 1.0h = 45,754
[45,754 (12.44% / 12.45%)] [367,523 / 45,754 (100.00)]

Missing observations (382 / 0.10%)