Station Number 48541
Prefecture Nagano [ Local Portal ]
Location 長野県塩尻市大字木曽平沢 (SHIOJIRI SHI, NAGANO KEN)
Months of Observations 468
Number of Observations 341,433
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/06/01 NARAI 35.962N 137.808E 940m 0.0m
1977/06/02 -- 1978/11/21 NARAKAWA 35.962N 137.808E 940m 0.0m
1978/11/22 -- 1988/10/30 NARAKAWA 35.983N 137.835E 900m 24.5m
1988/10/31 -- 2005/03/31 NARAKAWA 35.983N 137.835E 900m 24.5m
2005/04/01 -- 2009/03/03 KISOHIRASAWA 35.983N 137.835E 900m 24.5m
2009/03/04 -- 2015/08/99 KISOHIRASAWA 35.983N 137.835E 900m 24.5m
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
48546 TATSUNO (Nagano) 13.35km 90deg.
48466 NAGAWA (Nagano) 17.98km 310deg.
48621 INA (Nagano) 20.32km 148deg.
48606 KISOFUKUSHIMA (Nagano) 20.68km 219deg.
48531 KAIDAKOGEN (Nagano) 21.60km 256deg.
48940 KAIDAKOGEN (Nagano) 21.60km 256deg.
48363 MATSUMOTOIMAI (Nagano) 21.87km 20deg.
48681 MIYATAKOGEN (Nagano) 23.73km 169deg.
48556 TAKATO (Nagano) 24.85km 97deg.
48491 SUWA (Nagano) 25.55km 74deg.
48937 SUWA (Nagano) 25.55km 74deg.
48626 TAKATO (Nagano) 25.70km 128deg.
48426 TAKABOTCHI (Nagano) 26.35km 45deg.
48686 MIYADA (Nagano) 26.56km 164deg.
52161 NORIKURADAKE (Gifu) 29.42km 301deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 308,602
[308,602 (90.38% / 90.88%)] [308,602 / 339,585 (90.88%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 15,364
[15,364 (4.50% / 4.52%)] [323,966 / 30,983 (95.40%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 6,123
[6,123 (1.79% / 1.80%)] [330,089 / 15,619 (97.20%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 3,504
[3,504 (1.03% / 1.03%)] [333,593 / 9,496 (98.24%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 2,005
[2,005 (0.59% / 0.59%)] [335,598 / 5,992 (98.83%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,280
[1,280 (0.37% / 0.38%)] [336,878 / 3,987 (99.20%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 845
[845 (0.25% / 0.25%)] [337,723 / 2,707 (99.45%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 549
[549 (0.16% / 0.16%)] [338,272 / 1,862 (99.61%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 358
[358 (0.10% / 0.11%)] [338,630 / 1,313 (99.72%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 261
[261 (0.08% / 0.08%)] [338,891 / 955 (99.80%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 162
[162 (0.05% / 0.05%)] [339,053 / 694 (99.84%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 113
[113 (0.03% / 0.03%)] [339,166 / 532 (99.88%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 100
[100 (0.03% / 0.03%)] [339,266 / 419 (99.91%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 57
[57 (0.02% / 0.02%)] [339,323 / 319 (99.92%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 59
[59 (0.02% / 0.02%)] [339,382 / 262 (99.94%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 41
[41 (0.01% / 0.01%)] [339,423 / 203 (99.95%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 29
[29 (0.01% / 0.01%)] [339,452 / 162 (99.96%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 24
[24 (0.01% / 0.01%)] [339,476 / 133 (99.97%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 24
[24 (0.01% / 0.01%)] [339,500 / 109 (99.97%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 7
[7 (0.00% / 0.00%)] [339,507 / 85 (99.98%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 13
[13 (0.00% / 0.00%)] [339,520 / 78 (99.98%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 11
[11 (0.00% / 0.00%)] [339,531 / 65 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 8
[8 (0.00% / 0.00%)] [339,539 / 54 (99.99%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 11
[11 (0.00% / 0.00%)] [339,550 / 46 (99.99%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 5
[5 (0.00% / 0.00%)] [339,555 / 35 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 3
[3 (0.00% / 0.00%)] [339,558 / 30 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 6
[6 (0.00% / 0.00%)] [339,564 / 27 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 4
[4 (0.00% / 0.00%)] [339,568 / 21 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [339,572 / 17 (100.00%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [339,574 / 13 (100.00%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 3
[3 (0.00% / 0.00%)] [339,577 / 11 (100.00%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [339,578 / 8 (100.00%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 3
[3 (0.00% / 0.00%)] [339,581 / 7 (100.00%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [339,582 / 4 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [339,583 / 3 (100.00%)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [339,584 / 2 (100.00%)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [339,585 / 1 (100.00%)]

Missing observations (1,848 / 0.54%)

Wind Direction

Calm Calm = 78,273
[78,273 (22.92% / 24.31%)] [0 / 0 (NA)]
NNE NNE = 6,476
[6,476 (1.90% / 2.01%)] [0 / 0 (NA)]
NE NE = 32,441
[32,441 (9.50% / 10.08%)] [0 / 0 (NA)]
ENE ENE = 38,194
[38,194 (11.19% / 11.86%)] [0 / 0 (NA)]
E E = 10,334
[10,334 (3.03% / 3.21%)] [0 / 0 (NA)]
ESE ESE = 1,476
[1,476 (0.43% / 0.46%)] [0 / 0 (NA)]
SE SE = 1,109
[1,109 (0.32% / 0.34%)] [0 / 0 (NA)]
SSE SSE = 1,819
[1,819 (0.53% / 0.56%)] [0 / 0 (NA)]
S S = 6,440
[6,440 (1.89% / 2.00%)] [0 / 0 (NA)]
SSW SSW = 36,412
[36,412 (10.66% / 11.31%)] [0 / 0 (NA)]
SW SW = 33,422
[33,422 (9.79% / 10.38%)] [0 / 0 (NA)]
WSW WSW = 29,418
[29,418 (8.62% / 9.14%)] [0 / 0 (NA)]
W W = 38,301
[38,301 (11.22% / 11.90%)] [0 / 0 (NA)]
WNW WNW = 4,511
[4,511 (1.32% / 1.40%)] [0 / 0 (NA)]
NW NW = 720
[720 (0.21% / 0.22%)] [0 / 0 (NA)]
NNW NNW = 713
[713 (0.21% / 0.22%)] [0 / 0 (NA)]
N N = 1,912
[1,912 (0.56% / 0.59%)] [0 / 0 (NA)]

Missing observations (19,462 / 5.70%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 84,164
[84,164 (24.65% / 26.14%)] [84,164 / 321,993 (26.14%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 96,634
[96,634 (28.30% / 30.01%)] [180,798 / 237,829 (56.15%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 68,961
[68,961 (20.20% / 21.42%)] [249,759 / 141,195 (77.57%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 39,332
[39,332 (11.52% / 12.22%)] [289,091 / 72,234 (89.78%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 20,857
[20,857 (6.11% / 6.48%)] [309,948 / 32,902 (96.26%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 8,944
[8,944 (2.62% / 2.78%)] [318,892 / 12,045 (99.04%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,548
[2,548 (0.75% / 0.79%)] [321,440 / 3,101 (99.83%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 460
[460 (0.13% / 0.14%)] [321,900 / 553 (99.97%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 73
[73 (0.02% / 0.02%)] [321,973 / 93 (99.99%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 13
[13 (0.00% / 0.00%)] [321,986 / 20 (100.00%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 7
[7 (0.00% / 0.00%)] [321,993 / 7 (100.00%)]

Missing observations (19,440 / 5.69%)

Temperature

-17.5C - -16.6C -17.5C - -16.6C = 4
[4 (0.00% / 0.00%)] [4 / 322,131 (0.00%)]
-16.5C - -15.6C -16.5C - -15.6C = 12
[12 (0.00% / 0.00%)] [16 / 322,127 (0.00%)]
-15.5C - -14.6C -15.5C - -14.6C = 22
[22 (0.01% / 0.01%)] [38 / 322,115 (0.01%)]
-14.5C - -13.6C -14.5C - -13.6C = 52
[52 (0.02% / 0.02%)] [90 / 322,093 (0.03%)]
-13.5C - -12.6C -13.5C - -12.6C = 160
[160 (0.05% / 0.05%)] [250 / 322,041 (0.08%)]
-12.5C - -11.6C -12.5C - -11.6C = 327
[327 (0.10% / 0.10%)] [577 / 321,881 (0.18%)]
-11.5C - -10.6C -11.5C - -10.6C = 577
[577 (0.17% / 0.18%)] [1,154 / 321,554 (0.36%)]
-10.5C - -9.6C -10.5C - -9.6C = 828
[828 (0.24% / 0.26%)] [1,982 / 320,977 (0.62%)]
-9.5C - -8.6C -9.5C - -8.6C = 1,201
[1,201 (0.35% / 0.37%)] [3,183 / 320,149 (0.99%)]
-8.5C - -7.6C -8.5C - -7.6C = 1,625
[1,625 (0.48% / 0.50%)] [4,808 / 318,948 (1.49%)]
-7.5C - -6.6C -7.5C - -6.6C = 2,253
[2,253 (0.66% / 0.70%)] [7,061 / 317,323 (2.19%)]
-6.5C - -5.6C -6.5C - -5.6C = 3,099
[3,099 (0.91% / 0.96%)] [10,160 / 315,070 (3.15%)]
-5.5C - -4.6C -5.5C - -4.6C = 4,287
[4,287 (1.26% / 1.33%)] [14,447 / 311,971 (4.48%)]
-4.5C - -3.6C -4.5C - -3.6C = 5,569
[5,569 (1.63% / 1.73%)] [20,016 / 307,684 (6.21%)]
-3.5C - -2.6C -3.5C - -2.6C = 7,128
[7,128 (2.09% / 2.21%)] [27,144 / 302,115 (8.43%)]
-2.5C - -1.6C -2.5C - -1.6C = 8,713
[8,713 (2.55% / 2.70%)] [35,857 / 294,987 (11.13%)]
-1.5C - -0.6C -1.5C - -0.6C = 10,708
[10,708 (3.14% / 3.32%)] [46,565 / 286,274 (14.46%)]
-0.5C - 0.4C -0.5C - 0.4C = 22,571
[22,571 (6.61% / 7.01%)] [69,136 / 275,566 (21.46%)]
0.5C - 1.4C 0.5C - 1.4C = 11,997
[11,997 (3.51% / 3.72%)] [81,133 / 252,995 (25.19%)]
1.5C - 2.4C 1.5C - 2.4C = 10,403
[10,403 (3.05% / 3.23%)] [91,536 / 240,998 (28.42%)]
2.5C - 3.4C 2.5C - 3.4C = 10,023
[10,023 (2.94% / 3.11%)] [101,559 / 230,595 (31.53%)]
3.5C - 4.4C 3.5C - 4.4C = 9,390
[9,390 (2.75% / 2.91%)] [110,949 / 220,572 (34.44%)]
4.5C - 5.4C 4.5C - 5.4C = 9,047
[9,047 (2.65% / 2.81%)] [119,996 / 211,182 (37.25%)]
5.5C - 6.4C 5.5C - 6.4C = 8,674
[8,674 (2.54% / 2.69%)] [128,670 / 202,135 (39.94%)]
6.5C - 7.4C 6.5C - 7.4C = 8,485
[8,485 (2.49% / 2.63%)] [137,155 / 193,461 (42.58%)]
7.5C - 8.4C 7.5C - 8.4C = 8,566
[8,566 (2.51% / 2.66%)] [145,721 / 184,976 (45.24%)]
8.5C - 9.4C 8.5C - 9.4C = 8,836
[8,836 (2.59% / 2.74%)] [154,557 / 176,410 (47.98%)]
9.5C - 10.4C 9.5C - 10.4C = 9,175
[9,175 (2.69% / 2.85%)] [163,732 / 167,574 (50.83%)]
10.5C - 11.4C 10.5C - 11.4C = 9,385
[9,385 (2.75% / 2.91%)] [173,117 / 158,399 (53.74%)]
11.5C - 12.4C 11.5C - 12.4C = 9,534
[9,534 (2.79% / 2.96%)] [182,651 / 149,014 (56.70%)]
12.5C - 13.4C 12.5C - 13.4C = 9,397
[9,397 (2.75% / 2.92%)] [192,048 / 139,480 (59.62%)]
13.5C - 14.4C 13.5C - 14.4C = 9,618
[9,618 (2.82% / 2.99%)] [201,666 / 130,083 (62.60%)]
14.5C - 15.4C 14.5C - 15.4C = 10,188
[10,188 (2.98% / 3.16%)] [211,854 / 120,465 (65.77%)]
15.5C - 16.4C 15.5C - 16.4C = 10,233
[10,233 (3.00% / 3.18%)] [222,087 / 110,277 (68.94%)]
16.5C - 17.4C 16.5C - 17.4C = 10,746
[10,746 (3.15% / 3.34%)] [232,833 / 100,044 (72.28%)]
17.5C - 18.4C 17.5C - 18.4C = 11,665
[11,665 (3.42% / 3.62%)] [244,498 / 89,298 (75.90%)]
18.5C - 19.4C 18.5C - 19.4C = 12,600
[12,600 (3.69% / 3.91%)] [257,098 / 77,633 (79.81%)]
19.5C - 20.4C 19.5C - 20.4C = 13,092
[13,092 (3.83% / 4.06%)] [270,190 / 65,033 (83.88%)]
20.5C - 21.4C 20.5C - 21.4C = 11,474
[11,474 (3.36% / 3.56%)] [281,664 / 51,941 (87.44%)]
21.5C - 22.4C 21.5C - 22.4C = 8,793
[8,793 (2.58% / 2.73%)] [290,457 / 40,467 (90.17%)]
22.5C - 23.4C 22.5C - 23.4C = 7,039
[7,039 (2.06% / 2.19%)] [297,496 / 31,674 (92.35%)]
23.5C - 24.4C 23.5C - 24.4C = 5,430
[5,430 (1.59% / 1.69%)] [302,926 / 24,635 (94.04%)]
24.5C - 25.4C 24.5C - 25.4C = 4,562
[4,562 (1.34% / 1.42%)] [307,488 / 19,205 (95.45%)]
25.5C - 26.4C 25.5C - 26.4C = 3,713
[3,713 (1.09% / 1.15%)] [311,201 / 14,643 (96.61%)]
26.5C - 27.4C 26.5C - 27.4C = 2,986
[2,986 (0.87% / 0.93%)] [314,187 / 10,930 (97.53%)]
27.5C - 28.4C 27.5C - 28.4C = 2,520
[2,520 (0.74% / 0.78%)] [316,707 / 7,944 (98.32%)]
28.5C - 29.4C 28.5C - 29.4C = 1,902
[1,902 (0.56% / 0.59%)] [318,609 / 5,424 (98.91%)]
29.5C - 30.4C 29.5C - 30.4C = 1,509
[1,509 (0.44% / 0.47%)] [320,118 / 3,522 (99.38%)]
30.5C - 31.4C 30.5C - 31.4C = 1,064
[1,064 (0.31% / 0.33%)] [321,182 / 2,013 (99.71%)]
31.5C - 32.4C 31.5C - 32.4C = 621
[621 (0.18% / 0.19%)] [321,803 / 949 (99.90%)]
32.5C - 33.4C 32.5C - 33.4C = 244
[244 (0.07% / 0.08%)] [322,047 / 328 (99.97%)]
33.5C - 34.4C 33.5C - 34.4C = 70
[70 (0.02% / 0.02%)] [322,117 / 84 (100.00%)]
34.5C - 35.4C 34.5C - 35.4C = 14
[14 (0.00% / 0.00%)] [322,131 / 14 (100.00%)]

Missing observations (19,302 / 5.65%)

Sunshine Duration

0.0h 0.0h = 233,225
[233,225 (68.31% / 72.60%)] [233,225 / 321,265 (72.60%)]
0.1h 0.1h = 7,548
[7,548 (2.21% / 2.35%)] [240,773 / 88,040 (74.95%)]
0.2h 0.2h = 5,785
[5,785 (1.69% / 1.80%)] [246,558 / 80,492 (76.75%)]
0.3h 0.3h = 4,902
[4,902 (1.44% / 1.53%)] [251,460 / 74,707 (78.27%)]
0.4h 0.4h = 4,708
[4,708 (1.38% / 1.47%)] [256,168 / 69,805 (79.74%)]
0.5h 0.5h = 4,711
[4,711 (1.38% / 1.47%)] [260,879 / 65,097 (81.20%)]
0.6h 0.6h = 4,592
[4,592 (1.34% / 1.43%)] [265,471 / 60,386 (82.63%)]
0.7h 0.7h = 4,590
[4,590 (1.34% / 1.43%)] [270,061 / 55,794 (84.06%)]
0.8h 0.8h = 5,713
[5,713 (1.67% / 1.78%)] [275,774 / 51,204 (85.84%)]
0.9h 0.9h = 8,670
[8,670 (2.54% / 2.70%)] [284,444 / 45,491 (88.54%)]
1.0h 1.0h = 36,821
[36,821 (10.78% / 11.46%)] [321,265 / 36,821 (100.00%)]

Missing observations (20,168 / 5.91%)