Station Number 40336
Prefecture Ibaraki [ Local Portal ]
Location 茨城県つくば市長峰 高層気象台 (TSUKUBA SHI, IBARAKI KEN)
Months of Observations 306
Number of Observations 223,372
Period of Observations
Period Name Lat. Long. Height Anemometer
1990/03/08 -- 1990/03/14 NAGAMINE 36.057N 140.125E 25m 20.4m
1990/03/15 -- 2001/11/30 NAGAMINE 36.057N 140.125E 25m 20.4m
2001/12/01 -- 2011/11/16 TSUKUBA 36.057N 140.125E 25m 20.4m
2011/11/17 -- 2015/08/99 TSUKUBA 36.057N 140.125E 25m 20.4m
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
40905 (Ibaraki) 0.00km 0deg.
40341 TSUCHIURA (Ibaraki) 9.96km 59deg.
40282 JOSO (Ibaraki) 14.46km 295deg.
40242 TSUKUBASAN (Ibaraki) 18.80km 352deg.
40243 TSUKUBASAN (Ibaraki) 18.80km 352deg.
40426 RYUGASAKI (Ibaraki) 20.12km 157deg.
40241 KAKIOKA (Ibaraki) 20.34km 16deg.
40281 SHIMOTSUMA (Ibaraki) 20.36km 307deg.
40391 EDOSAKI (Ibaraki) 20.61km 121deg.
40326 BANDO (Ibaraki) 21.05km 263deg.
45061 ABIKO (Chiba) 21.57km 183deg.
45056 ABIKO (Chiba) 21.91km 204deg.
40251 MINORI (Ibaraki) 26.89km 41deg.
40231 SHIMODATE (Ibaraki) 27.84km 333deg.
40246 ATAGOSAN (Ibaraki) 28.38km 24deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 208,897
[208,897 (93.52% / 93.60%)] [208,897 / 223,181 (93.60%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 7,700
[7,700 (3.45% / 3.45%)] [216,597 / 14,284 (97.05%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 2,866
[2,866 (1.28% / 1.28%)] [219,463 / 6,584 (98.33%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,307
[1,307 (0.59% / 0.59%)] [220,770 / 3,718 (98.92%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 735
[735 (0.33% / 0.33%)] [221,505 / 2,411 (99.25%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 459
[459 (0.21% / 0.21%)] [221,964 / 1,676 (99.45%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 310
[310 (0.14% / 0.14%)] [222,274 / 1,217 (99.59%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 182
[182 (0.08% / 0.08%)] [222,456 / 907 (99.68%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 141
[141 (0.06% / 0.06%)] [222,597 / 725 (99.74%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 105
[105 (0.05% / 0.05%)] [222,702 / 584 (99.79%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 83
[83 (0.04% / 0.04%)] [222,785 / 479 (99.82%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 62
[62 (0.03% / 0.03%)] [222,847 / 396 (99.85%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 56
[56 (0.03% / 0.03%)] [222,903 / 334 (99.88%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 47
[47 (0.02% / 0.02%)] [222,950 / 278 (99.90%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 32
[32 (0.01% / 0.01%)] [222,982 / 231 (99.91%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 29
[29 (0.01% / 0.01%)] [223,011 / 199 (99.92%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 16
[16 (0.01% / 0.01%)] [223,027 / 170 (99.93%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 24
[24 (0.01% / 0.01%)] [223,051 / 154 (99.94%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 21
[21 (0.01% / 0.01%)] [223,072 / 130 (99.95%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 14
[14 (0.01% / 0.01%)] [223,086 / 109 (99.96%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 16
[16 (0.01% / 0.01%)] [223,102 / 95 (99.96%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 12
[12 (0.01% / 0.01%)] [223,114 / 79 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 6
[6 (0.00% / 0.00%)] [223,120 / 67 (99.97%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 10
[10 (0.00% / 0.00%)] [223,130 / 61 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 6
[6 (0.00% / 0.00%)] [223,136 / 51 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 9
[9 (0.00% / 0.00%)] [223,145 / 45 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 4
[4 (0.00% / 0.00%)] [223,149 / 36 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [223,151 / 32 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 5
[5 (0.00% / 0.00%)] [223,156 / 30 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [223,158 / 25 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [223,159 / 23 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 3
[3 (0.00% / 0.00%)] [223,162 / 22 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [223,163 / 19 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 2
[2 (0.00% / 0.00%)] [223,165 / 18 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [223,166 / 16 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [223,167 / 15 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [223,168 / 14 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [223,170 / 13 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [223,174 / 11 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [223,175 / 7 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [223,176 / 6 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [223,177 / 5 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [223,178 / 4 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [223,179 / 3 (100.00%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [223,180 / 2 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [223,181 / 1 (100.00%)]

Missing observations (191 / 0.09%)

Wind Direction

Calm Calm = 4,511
[4,511 (2.02% / 2.02%)] [0 / 0 (NA)]
NNE NNE = 11,459
[11,459 (5.13% / 5.14%)] [0 / 0 (NA)]
NE NE = 25,532
[25,532 (11.43% / 11.45%)] [0 / 0 (NA)]
ENE ENE = 22,112
[22,112 (9.90% / 9.92%)] [0 / 0 (NA)]
E E = 21,235
[21,235 (9.51% / 9.52%)] [0 / 0 (NA)]
ESE ESE = 13,430
[13,430 (6.01% / 6.02%)] [0 / 0 (NA)]
SE SE = 10,049
[10,049 (4.50% / 4.51%)] [0 / 0 (NA)]
SSE SSE = 10,384
[10,384 (4.65% / 4.66%)] [0 / 0 (NA)]
S S = 13,317
[13,317 (5.96% / 5.97%)] [0 / 0 (NA)]
SSW SSW = 12,124
[12,124 (5.43% / 5.44%)] [0 / 0 (NA)]
SW SW = 5,152
[5,152 (2.31% / 2.31%)] [0 / 0 (NA)]
WSW WSW = 6,543
[6,543 (2.93% / 2.93%)] [0 / 0 (NA)]
W W = 12,002
[12,002 (5.37% / 5.38%)] [0 / 0 (NA)]
WNW WNW = 18,396
[18,396 (8.24% / 8.25%)] [0 / 0 (NA)]
NW NW = 20,514
[20,514 (9.18% / 9.20%)] [0 / 0 (NA)]
NNW NNW = 8,986
[8,986 (4.02% / 4.03%)] [0 / 0 (NA)]
N N = 7,218
[7,218 (3.23% / 3.24%)] [0 / 0 (NA)]

Missing observations (408 / 0.18%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 5,071
[5,071 (2.27% / 2.27%)] [5,071 / 222,988 (2.27%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 49,562
[49,562 (22.19% / 22.23%)] [54,633 / 217,917 (24.50%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 83,878
[83,878 (37.55% / 37.62%)] [138,511 / 168,355 (62.12%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 45,427
[45,427 (20.34% / 20.37%)] [183,938 / 84,477 (82.49%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 21,370
[21,370 (9.57% / 9.58%)] [205,308 / 39,050 (92.07%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 9,360
[9,360 (4.19% / 4.20%)] [214,668 / 17,680 (96.27%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 4,421
[4,421 (1.98% / 1.98%)] [219,089 / 8,320 (98.25%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 2,133
[2,133 (0.95% / 0.96%)] [221,222 / 3,899 (99.21%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,004
[1,004 (0.45% / 0.45%)] [222,226 / 1,766 (99.66%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 469
[469 (0.21% / 0.21%)] [222,695 / 762 (99.87%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 184
[184 (0.08% / 0.08%)] [222,879 / 293 (99.95%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 72
[72 (0.03% / 0.03%)] [222,951 / 109 (99.98%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 24
[24 (0.01% / 0.01%)] [222,975 / 37 (99.99%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 9
[9 (0.00% / 0.00%)] [222,984 / 13 (100.00%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 1
[1 (0.00% / 0.00%)] [222,985 / 4 (100.00%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 1
[1 (0.00% / 0.00%)] [222,986 / 3 (100.00%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 2
[2 (0.00% / 0.00%)] [222,988 / 2 (100.00%)]

Missing observations (384 / 0.17%)

Temperature

-8.5C - -7.6C -8.5C - -7.6C = 4
[4 (0.00% / 0.00%)] [4 / 223,156 (0.00%)]
-7.5C - -6.6C -7.5C - -6.6C = 34
[34 (0.02% / 0.02%)] [38 / 223,152 (0.02%)]
-6.5C - -5.6C -6.5C - -5.6C = 110
[110 (0.05% / 0.05%)] [148 / 223,118 (0.07%)]
-5.5C - -4.6C -5.5C - -4.6C = 288
[288 (0.13% / 0.13%)] [436 / 223,008 (0.20%)]
-4.5C - -3.6C -4.5C - -3.6C = 720
[720 (0.32% / 0.32%)] [1,156 / 222,720 (0.52%)]
-3.5C - -2.6C -3.5C - -2.6C = 1,343
[1,343 (0.60% / 0.60%)] [2,499 / 222,000 (1.12%)]
-2.5C - -1.6C -2.5C - -1.6C = 2,296
[2,296 (1.03% / 1.03%)] [4,795 / 220,657 (2.15%)]
-1.5C - -0.6C -1.5C - -0.6C = 2,844
[2,844 (1.27% / 1.27%)] [7,639 / 218,361 (3.42%)]
-0.5C - 0.4C -0.5C - 0.4C = 7,364
[7,364 (3.30% / 3.30%)] [15,003 / 215,517 (6.72%)]
0.5C - 1.4C 0.5C - 1.4C = 4,541
[4,541 (2.03% / 2.03%)] [19,544 / 208,153 (8.76%)]
1.5C - 2.4C 1.5C - 2.4C = 5,318
[5,318 (2.38% / 2.38%)] [24,862 / 203,612 (11.14%)]
2.5C - 3.4C 2.5C - 3.4C = 5,871
[5,871 (2.63% / 2.63%)] [30,733 / 198,294 (13.77%)]
3.5C - 4.4C 3.5C - 4.4C = 6,408
[6,408 (2.87% / 2.87%)] [37,141 / 192,423 (16.64%)]
4.5C - 5.4C 4.5C - 5.4C = 6,948
[6,948 (3.11% / 3.11%)] [44,089 / 186,015 (19.76%)]
5.5C - 6.4C 5.5C - 6.4C = 7,158
[7,158 (3.20% / 3.21%)] [51,247 / 179,067 (22.96%)]
6.5C - 7.4C 6.5C - 7.4C = 7,559
[7,559 (3.38% / 3.39%)] [58,806 / 171,909 (26.35%)]
7.5C - 8.4C 7.5C - 8.4C = 7,463
[7,463 (3.34% / 3.34%)] [66,269 / 164,350 (29.70%)]
8.5C - 9.4C 8.5C - 9.4C = 7,561
[7,561 (3.38% / 3.39%)] [73,830 / 156,887 (33.08%)]
9.5C - 10.4C 9.5C - 10.4C = 7,085
[7,085 (3.17% / 3.17%)] [80,915 / 149,326 (36.26%)]
10.5C - 11.4C 10.5C - 11.4C = 6,894
[6,894 (3.09% / 3.09%)] [87,809 / 142,241 (39.35%)]
11.5C - 12.4C 11.5C - 12.4C = 6,881
[6,881 (3.08% / 3.08%)] [94,690 / 135,347 (42.43%)]
12.5C - 13.4C 12.5C - 13.4C = 6,831
[6,831 (3.06% / 3.06%)] [101,521 / 128,466 (45.49%)]
13.5C - 14.4C 13.5C - 14.4C = 7,090
[7,090 (3.17% / 3.18%)] [108,611 / 121,635 (48.67%)]
14.5C - 15.4C 14.5C - 15.4C = 7,332
[7,332 (3.28% / 3.29%)] [115,943 / 114,545 (51.96%)]
15.5C - 16.4C 15.5C - 16.4C = 7,723
[7,723 (3.46% / 3.46%)] [123,666 / 107,213 (55.42%)]
16.5C - 17.4C 16.5C - 17.4C = 8,310
[8,310 (3.72% / 3.72%)] [131,976 / 99,490 (59.14%)]
17.5C - 18.4C 17.5C - 18.4C = 8,665
[8,665 (3.88% / 3.88%)] [140,641 / 91,180 (63.02%)]
18.5C - 19.4C 18.5C - 19.4C = 8,753
[8,753 (3.92% / 3.92%)] [149,394 / 82,515 (66.95%)]
19.5C - 20.4C 19.5C - 20.4C = 9,029
[9,029 (4.04% / 4.05%)] [158,423 / 73,762 (70.99%)]
20.5C - 21.4C 20.5C - 21.4C = 8,819
[8,819 (3.95% / 3.95%)] [167,242 / 64,733 (74.94%)]
21.5C - 22.4C 21.5C - 22.4C = 8,491
[8,491 (3.80% / 3.80%)] [175,733 / 55,914 (78.75%)]
22.5C - 23.4C 22.5C - 23.4C = 8,420
[8,420 (3.77% / 3.77%)] [184,153 / 47,423 (82.52%)]
23.5C - 24.4C 23.5C - 24.4C = 8,253
[8,253 (3.69% / 3.70%)] [192,406 / 39,003 (86.22%)]
24.5C - 25.4C 24.5C - 25.4C = 7,226
[7,226 (3.23% / 3.24%)] [199,632 / 30,750 (89.46%)]
25.5C - 26.4C 25.5C - 26.4C = 5,840
[5,840 (2.61% / 2.62%)] [205,472 / 23,524 (92.08%)]
26.5C - 27.4C 26.5C - 27.4C = 4,459
[4,459 (2.00% / 2.00%)] [209,931 / 17,684 (94.07%)]
27.5C - 28.4C 27.5C - 28.4C = 3,492
[3,492 (1.56% / 1.56%)] [213,423 / 13,225 (95.64%)]
28.5C - 29.4C 28.5C - 29.4C = 2,631
[2,631 (1.18% / 1.18%)] [216,054 / 9,733 (96.82%)]
29.5C - 30.4C 29.5C - 30.4C = 2,180
[2,180 (0.98% / 0.98%)] [218,234 / 7,102 (97.79%)]
30.5C - 31.4C 30.5C - 31.4C = 1,725
[1,725 (0.77% / 0.77%)] [219,959 / 4,922 (98.57%)]
31.5C - 32.4C 31.5C - 32.4C = 1,505
[1,505 (0.67% / 0.67%)] [221,464 / 3,197 (99.24%)]
32.5C - 33.4C 32.5C - 33.4C = 980
[980 (0.44% / 0.44%)] [222,444 / 1,692 (99.68%)]
33.5C - 34.4C 33.5C - 34.4C = 472
[472 (0.21% / 0.21%)] [222,916 / 712 (99.89%)]
34.5C - 35.4C 34.5C - 35.4C = 184
[184 (0.08% / 0.08%)] [223,100 / 240 (99.97%)]
35.5C - 36.4C 35.5C - 36.4C = 44
[44 (0.02% / 0.02%)] [223,144 / 56 (99.99%)]
36.5C - 37.4C 36.5C - 37.4C = 11
[11 (0.00% / 0.00%)] [223,155 / 12 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 1
[1 (0.00% / 0.00%)] [223,156 / 1 (100.00%)]

Missing observations (216 / 0.10%)

Sunshine Duration

0.0h 0.0h = 153,935
[153,935 (68.91% / 68.99%)] [153,935 / 223,118 (68.99%)]
0.1h 0.1h = 5,387
[5,387 (2.41% / 2.41%)] [159,322 / 69,183 (71.41%)]
0.2h 0.2h = 4,053
[4,053 (1.81% / 1.82%)] [163,375 / 63,796 (73.22%)]
0.3h 0.3h = 3,482
[3,482 (1.56% / 1.56%)] [166,857 / 59,743 (74.78%)]
0.4h 0.4h = 3,382
[3,382 (1.51% / 1.52%)] [170,239 / 56,261 (76.30%)]
0.5h 0.5h = 3,372
[3,372 (1.51% / 1.51%)] [173,611 / 52,879 (77.81%)]
0.6h 0.6h = 3,311
[3,311 (1.48% / 1.48%)] [176,922 / 49,507 (79.30%)]
0.7h 0.7h = 3,551
[3,551 (1.59% / 1.59%)] [180,473 / 46,196 (80.89%)]
0.8h 0.8h = 3,950
[3,950 (1.77% / 1.77%)] [184,423 / 42,645 (82.66%)]
0.9h 0.9h = 5,336
[5,336 (2.39% / 2.39%)] [189,759 / 38,695 (85.05%)]
1.0h 1.0h = 33,359
[33,359 (14.93% / 14.95%)] [223,118 / 33,359 (100.00%)]

Missing observations (254 / 0.11%)

Snow Depth

0cm 0cm = 17,108
[17,108 (7.66% / 98.18%)] [17,108 / 17,426 (98.18%)]
1cm - 5cm 1cm - 5cm = 156
[156 (0.07% / 0.90%)] [17,264 / 318 (99.07%)]
6cm - 10cm 6cm - 10cm = 82
[82 (0.04% / 0.47%)] [17,346 / 162 (99.54%)]
11cm - 15cm 11cm - 15cm = 60
[60 (0.03% / 0.34%)] [17,406 / 80 (99.89%)]
16cm - 20cm 16cm - 20cm = 7
[7 (0.00% / 0.04%)] [17,413 / 20 (99.93%)]
21cm - 25cm 21cm - 25cm = 10
[10 (0.00% / 0.06%)] [17,423 / 13 (99.98%)]
26cm - 30cm 26cm - 30cm = 3
[3 (0.00% / 0.02%)] [17,426 / 3 (100.00%)]

Missing observations (205,946 / 92.20%)