Station Number 48386
Prefecture Nagano [ Local Portal ]
Location 長野県佐久市中込 (SAKU SHI, NAGANO KEN)
Months of Observations 466
Number of Observations 340,329
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1978/11/13 SAKU 36.247N 138.477E 683m 0.0m
1978/11/14 -- 1988/06/26 SAKU 36.247N 138.477E 683m 6.5m
1988/06/27 -- 2009/03/23 SAKU 36.247N 138.477E 683m 6.5m
2009/03/24 -- 2010/03/01 SAKU 36.247N 138.477E 683m 6.5m
2010/03/02 -- 2015/08/99 SAKU 36.247N 138.477E 683m 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
48331 KARUIZAWA (Nagano) 12.27km 30deg.
48381 TATESHINA (Nagano) 15.00km 280deg.
48451 MORAISAN (Nagano) 16.23km 161deg.
48321 TOMI (Nagano) 17.29km 330deg.
42326 NISHINOMAKI (Gunma) 20.67km 90deg.
42276 ICHINOJIYAMA (Gunma) 21.37km 49deg.
48456 JIKKOKUTOGE (Nagano) 21.59km 135deg.
48516 KITAAIKI (Nagano) 22.90km 147deg.
42221 TASHIRO (Gunma) 24.00km 357deg.
48256 UEDA (Nagano) 25.51km 311deg.
48436 SHIRAKABAKO (Nagano) 27.39km 234deg.
48501 YATSUGATAKE (Nagano) 28.57km 211deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 321,222
[321,222 (94.39% / 94.79%)] [321,222 / 338,860 (94.79%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 10,129
[10,129 (2.98% / 2.99%)] [331,351 / 17,638 (97.78%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 3,439
[3,439 (1.01% / 1.01%)] [334,790 / 7,509 (98.80%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,570
[1,570 (0.46% / 0.46%)] [336,360 / 4,070 (99.26%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 877
[877 (0.26% / 0.26%)] [337,237 / 2,500 (99.52%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 527
[527 (0.15% / 0.16%)] [337,764 / 1,623 (99.68%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 309
[309 (0.09% / 0.09%)] [338,073 / 1,096 (99.77%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 216
[216 (0.06% / 0.06%)] [338,289 / 787 (99.83%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 133
[133 (0.04% / 0.04%)] [338,422 / 571 (99.87%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 88
[88 (0.03% / 0.03%)] [338,510 / 438 (99.90%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 71
[71 (0.02% / 0.02%)] [338,581 / 350 (99.92%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 61
[61 (0.02% / 0.02%)] [338,642 / 279 (99.94%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 34
[34 (0.01% / 0.01%)] [338,676 / 218 (99.95%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 28
[28 (0.01% / 0.01%)] [338,704 / 184 (99.95%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 33
[33 (0.01% / 0.01%)] [338,737 / 156 (99.96%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 18
[18 (0.01% / 0.01%)] [338,755 / 123 (99.97%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 15
[15 (0.00% / 0.00%)] [338,770 / 105 (99.97%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 18
[18 (0.01% / 0.01%)] [338,788 / 90 (99.98%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 9
[9 (0.00% / 0.00%)] [338,797 / 72 (99.98%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 8
[8 (0.00% / 0.00%)] [338,805 / 63 (99.98%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 14
[14 (0.00% / 0.00%)] [338,819 / 55 (99.99%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 6
[6 (0.00% / 0.00%)] [338,825 / 41 (99.99%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 2
[2 (0.00% / 0.00%)] [338,827 / 35 (99.99%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [338,830 / 33 (99.99%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 4
[4 (0.00% / 0.00%)] [338,834 / 30 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 6
[6 (0.00% / 0.00%)] [338,840 / 26 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 2
[2 (0.00% / 0.00%)] [338,842 / 20 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 1
[1 (0.00% / 0.00%)] [338,843 / 18 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 1
[1 (0.00% / 0.00%)] [338,844 / 17 (100.00%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 1
[1 (0.00% / 0.00%)] [338,845 / 16 (100.00%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [338,849 / 15 (100.00%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [338,850 / 11 (100.00%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 2
[2 (0.00% / 0.00%)] [338,852 / 10 (100.00%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [338,853 / 8 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 2
[2 (0.00% / 0.00%)] [338,855 / 7 (100.00%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [338,856 / 5 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [338,857 / 4 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [338,858 / 3 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [338,859 / 2 (100.00%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [338,860 / 1 (100.00%)]

Missing observations (1,469 / 0.43%)

Wind Direction

Calm Calm = 100,894
[100,894 (29.65% / 31.39%)] [0 / 0 (NA)]
NNE NNE = 6,671
[6,671 (1.96% / 2.08%)] [0 / 0 (NA)]
NE NE = 16,276
[16,276 (4.78% / 5.06%)] [0 / 0 (NA)]
ENE ENE = 21,233
[21,233 (6.24% / 6.61%)] [0 / 0 (NA)]
E E = 15,291
[15,291 (4.49% / 4.76%)] [0 / 0 (NA)]
ESE ESE = 13,551
[13,551 (3.98% / 4.22%)] [0 / 0 (NA)]
SE SE = 11,903
[11,903 (3.50% / 3.70%)] [0 / 0 (NA)]
SSE SSE = 11,913
[11,913 (3.50% / 3.71%)] [0 / 0 (NA)]
S S = 9,428
[9,428 (2.77% / 2.93%)] [0 / 0 (NA)]
SSW SSW = 4,955
[4,955 (1.46% / 1.54%)] [0 / 0 (NA)]
SW SW = 7,816
[7,816 (2.30% / 2.43%)] [0 / 0 (NA)]
WSW WSW = 9,875
[9,875 (2.90% / 3.07%)] [0 / 0 (NA)]
W W = 19,391
[19,391 (5.70% / 6.03%)] [0 / 0 (NA)]
WNW WNW = 25,692
[25,692 (7.55% / 7.99%)] [0 / 0 (NA)]
NW NW = 22,396
[22,396 (6.58% / 6.97%)] [0 / 0 (NA)]
NNW NNW = 14,697
[14,697 (4.32% / 4.57%)] [0 / 0 (NA)]
N N = 9,403
[9,403 (2.76% / 2.93%)] [0 / 0 (NA)]

Missing observations (18,944 / 5.57%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 107,831
[107,831 (31.68% / 33.49%)] [107,831 / 321,956 (33.49%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 131,066
[131,066 (38.51% / 40.71%)] [238,897 / 214,125 (74.20%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 56,832
[56,832 (16.70% / 17.65%)] [295,729 / 83,059 (91.85%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 19,985
[19,985 (5.87% / 6.21%)] [315,714 / 26,227 (98.06%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 5,030
[5,030 (1.48% / 1.56%)] [320,744 / 6,242 (99.62%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 1,018
[1,018 (0.30% / 0.32%)] [321,762 / 1,212 (99.94%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 172
[172 (0.05% / 0.05%)] [321,934 / 194 (99.99%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 20
[20 (0.01% / 0.01%)] [321,954 / 22 (100.00%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 2
[2 (0.00% / 0.00%)] [321,956 / 2 (100.00%)]

Missing observations (18,373 / 5.40%)

Temperature

-17.5C - -16.6C -17.5C - -16.6C = 2
[2 (0.00% / 0.00%)] [2 / 322,371 (0.00%)]
-16.5C - -15.6C -16.5C - -15.6C = 6
[6 (0.00% / 0.00%)] [8 / 322,369 (0.00%)]
-15.5C - -14.6C -15.5C - -14.6C = 14
[14 (0.00% / 0.00%)] [22 / 322,363 (0.01%)]
-14.5C - -13.6C -14.5C - -13.6C = 50
[50 (0.01% / 0.02%)] [72 / 322,349 (0.02%)]
-13.5C - -12.6C -13.5C - -12.6C = 93
[93 (0.03% / 0.03%)] [165 / 322,299 (0.05%)]
-12.5C - -11.6C -12.5C - -11.6C = 238
[238 (0.07% / 0.07%)] [403 / 322,206 (0.13%)]
-11.5C - -10.6C -11.5C - -10.6C = 478
[478 (0.14% / 0.15%)] [881 / 321,968 (0.27%)]
-10.5C - -9.6C -10.5C - -9.6C = 794
[794 (0.23% / 0.25%)] [1,675 / 321,490 (0.52%)]
-9.5C - -8.6C -9.5C - -8.6C = 1,248
[1,248 (0.37% / 0.39%)] [2,923 / 320,696 (0.91%)]
-8.5C - -7.6C -8.5C - -7.6C = 1,742
[1,742 (0.51% / 0.54%)] [4,665 / 319,448 (1.45%)]
-7.5C - -6.6C -7.5C - -6.6C = 2,425
[2,425 (0.71% / 0.75%)] [7,090 / 317,706 (2.20%)]
-6.5C - -5.6C -6.5C - -5.6C = 3,151
[3,151 (0.93% / 0.98%)] [10,241 / 315,281 (3.18%)]
-5.5C - -4.6C -5.5C - -4.6C = 4,164
[4,164 (1.22% / 1.29%)] [14,405 / 312,130 (4.47%)]
-4.5C - -3.6C -4.5C - -3.6C = 5,404
[5,404 (1.59% / 1.68%)] [19,809 / 307,966 (6.14%)]
-3.5C - -2.6C -3.5C - -2.6C = 6,480
[6,480 (1.90% / 2.01%)] [26,289 / 302,562 (8.15%)]
-2.5C - -1.6C -2.5C - -1.6C = 8,024
[8,024 (2.36% / 2.49%)] [34,313 / 296,082 (10.64%)]
-1.5C - -0.6C -1.5C - -0.6C = 9,224
[9,224 (2.71% / 2.86%)] [43,537 / 288,058 (13.51%)]
-0.5C - 0.4C -0.5C - 0.4C = 20,731
[20,731 (6.09% / 6.43%)] [64,268 / 278,834 (19.94%)]
0.5C - 1.4C 0.5C - 1.4C = 10,995
[10,995 (3.23% / 3.41%)] [75,263 / 258,103 (23.35%)]
1.5C - 2.4C 1.5C - 2.4C = 10,213
[10,213 (3.00% / 3.17%)] [85,476 / 247,108 (26.51%)]
2.5C - 3.4C 2.5C - 3.4C = 9,644
[9,644 (2.83% / 2.99%)] [95,120 / 236,895 (29.51%)]
3.5C - 4.4C 3.5C - 4.4C = 9,058
[9,058 (2.66% / 2.81%)] [104,178 / 227,251 (32.32%)]
4.5C - 5.4C 4.5C - 5.4C = 8,928
[8,928 (2.62% / 2.77%)] [113,106 / 218,193 (35.09%)]
5.5C - 6.4C 5.5C - 6.4C = 8,625
[8,625 (2.53% / 2.68%)] [121,731 / 209,265 (37.76%)]
6.5C - 7.4C 6.5C - 7.4C = 8,618
[8,618 (2.53% / 2.67%)] [130,349 / 200,640 (40.43%)]
7.5C - 8.4C 7.5C - 8.4C = 8,485
[8,485 (2.49% / 2.63%)] [138,834 / 192,022 (43.07%)]
8.5C - 9.4C 8.5C - 9.4C = 8,306
[8,306 (2.44% / 2.58%)] [147,140 / 183,537 (45.64%)]
9.5C - 10.4C 9.5C - 10.4C = 8,797
[8,797 (2.58% / 2.73%)] [155,937 / 175,231 (48.37%)]
10.5C - 11.4C 10.5C - 11.4C = 9,142
[9,142 (2.69% / 2.84%)] [165,079 / 166,434 (51.21%)]
11.5C - 12.4C 11.5C - 12.4C = 9,280
[9,280 (2.73% / 2.88%)] [174,359 / 157,292 (54.09%)]
12.5C - 13.4C 12.5C - 13.4C = 9,356
[9,356 (2.75% / 2.90%)] [183,715 / 148,012 (56.99%)]
13.5C - 14.4C 13.5C - 14.4C = 9,614
[9,614 (2.82% / 2.98%)] [193,329 / 138,656 (59.97%)]
14.5C - 15.4C 14.5C - 15.4C = 10,038
[10,038 (2.95% / 3.11%)] [203,367 / 129,042 (63.08%)]
15.5C - 16.4C 15.5C - 16.4C = 10,181
[10,181 (2.99% / 3.16%)] [213,548 / 119,004 (66.24%)]
16.5C - 17.4C 16.5C - 17.4C = 10,892
[10,892 (3.20% / 3.38%)] [224,440 / 108,823 (69.62%)]
17.5C - 18.4C 17.5C - 18.4C = 11,802
[11,802 (3.47% / 3.66%)] [236,242 / 97,931 (73.28%)]
18.5C - 19.4C 18.5C - 19.4C = 12,247
[12,247 (3.60% / 3.80%)] [248,489 / 86,129 (77.08%)]
19.5C - 20.4C 19.5C - 20.4C = 12,005
[12,005 (3.53% / 3.72%)] [260,494 / 73,882 (80.81%)]
20.5C - 21.4C 20.5C - 21.4C = 11,818
[11,818 (3.47% / 3.67%)] [272,312 / 61,877 (84.47%)]
21.5C - 22.4C 21.5C - 22.4C = 10,147
[10,147 (2.98% / 3.15%)] [282,459 / 50,059 (87.62%)]
22.5C - 23.4C 22.5C - 23.4C = 8,180
[8,180 (2.40% / 2.54%)] [290,639 / 39,912 (90.16%)]
23.5C - 24.4C 23.5C - 24.4C = 6,687
[6,687 (1.96% / 2.07%)] [297,326 / 31,732 (92.23%)]
24.5C - 25.4C 24.5C - 25.4C = 5,441
[5,441 (1.60% / 1.69%)] [302,767 / 25,045 (93.92%)]
25.5C - 26.4C 25.5C - 26.4C = 4,616
[4,616 (1.36% / 1.43%)] [307,383 / 19,604 (95.35%)]
26.5C - 27.4C 26.5C - 27.4C = 3,800
[3,800 (1.12% / 1.18%)] [311,183 / 14,988 (96.53%)]
27.5C - 28.4C 27.5C - 28.4C = 3,201
[3,201 (0.94% / 0.99%)] [314,384 / 11,188 (97.52%)]
28.5C - 29.4C 28.5C - 29.4C = 2,654
[2,654 (0.78% / 0.82%)] [317,038 / 7,987 (98.35%)]
29.5C - 30.4C 29.5C - 30.4C = 1,976
[1,976 (0.58% / 0.61%)] [319,014 / 5,333 (98.96%)]
30.5C - 31.4C 30.5C - 31.4C = 1,416
[1,416 (0.42% / 0.44%)] [320,430 / 3,357 (99.40%)]
31.5C - 32.4C 31.5C - 32.4C = 1,059
[1,059 (0.31% / 0.33%)] [321,489 / 1,941 (99.73%)]
32.5C - 33.4C 32.5C - 33.4C = 550
[550 (0.16% / 0.17%)] [322,039 / 882 (99.90%)]
33.5C - 34.4C 33.5C - 34.4C = 247
[247 (0.07% / 0.08%)] [322,286 / 332 (99.97%)]
34.5C - 35.4C 34.5C - 35.4C = 72
[72 (0.02% / 0.02%)] [322,358 / 85 (100.00%)]
35.5C - 36.4C 35.5C - 36.4C = 12
[12 (0.00% / 0.00%)] [322,370 / 13 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 1
[1 (0.00% / 0.00%)] [322,371 / 1 (100.00%)]

Missing observations (17,958 / 5.28%)

Sunshine Duration

0.0h 0.0h = 219,992
[219,992 (64.64% / 68.26%)] [219,992 / 322,293 (68.26%)]
0.1h 0.1h = 6,979
[6,979 (2.05% / 2.17%)] [226,971 / 102,301 (70.42%)]
0.2h 0.2h = 5,615
[5,615 (1.65% / 1.74%)] [232,586 / 95,322 (72.17%)]
0.3h 0.3h = 5,006
[5,006 (1.47% / 1.55%)] [237,592 / 89,707 (73.72%)]
0.4h 0.4h = 4,920
[4,920 (1.45% / 1.53%)] [242,512 / 84,701 (75.25%)]
0.5h 0.5h = 4,862
[4,862 (1.43% / 1.51%)] [247,374 / 79,781 (76.75%)]
0.6h 0.6h = 4,851
[4,851 (1.43% / 1.51%)] [252,225 / 74,919 (78.26%)]
0.7h 0.7h = 4,943
[4,943 (1.45% / 1.53%)] [257,168 / 70,068 (79.79%)]
0.8h 0.8h = 5,570
[5,570 (1.64% / 1.73%)] [262,738 / 65,125 (81.52%)]
0.9h 0.9h = 7,398
[7,398 (2.17% / 2.30%)] [270,136 / 59,555 (83.82%)]
1.0h 1.0h = 52,157
[52,157 (15.33% / 16.18%)] [322,293 / 52,157 (100.00%)]

Missing observations (18,036 / 5.30%)