Station Number 48910
Prefecture Nagano [ Local Portal ]
Location 長野県飯山市大字飯山字大道東 (IIYAMA SHI, NAGANO KEN)
Months of Observations 155
Number of Observations 112,560
Period of Observations
Period Name Lat. Long. Height Anemometer
1983/09/30 -- 2008/05/99 IIYAMA 36.873N 138.375E 313m 0.0m
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
48066 IIYAMA (Nagano) 0.22km 0deg.
48031 NOZAWAONSEN (Nagano) 7.38km 54deg.
48900 NOZAWAONSEN (Nagano) 7.45km 54deg.
54891 HAKAMADAKE (Niigata) 8.74km 267deg.
54892 TARUMOTO (Niigata) 9.11km 281deg.
54736 HIKARIGAHARA (Niigata) 14.65km 358deg.
54955 SEKIYAMA (Niigata) 15.13km 295deg.
54816 SEKIYAMA (Niigata) 15.17km 296deg.
48905 SHINANOMACHI (Nagano) 17.36km 245deg.
48061 SHINANOMACHI (Nagano) 17.44km 245deg.
54737 DOGATA (Niigata) 17.65km 350deg.
48171 KASADAKE (Nagano) 23.65km 158deg.
48172 KASADAKE (Nagano) 24.00km 162deg.
54661 YASUZUKA (Niigata) 26.98km 15deg.
54940 YASUZUKA (Niigata) 26.98km 15deg.
54937 TAKADA (Niigata) 28.16km 336deg.
54651 TAKADA (Niigata) 28.36km 336deg.
48156 NAGANO (Nagano) 28.55km 214deg.
48925 NAGANO (Nagano) 28.55km 214deg.

Statistics for the Whole Period

Snow Depth

0cm 0cm = 35,738
[35,738 (31.75% / 37.93%)] [35,738 / 94,220 (37.93%)]
1cm - 5cm 1cm - 5cm = 3,270
[3,270 (2.91% / 3.47%)] [39,008 / 58,482 (41.40%)]
6cm - 10cm 6cm - 10cm = 2,334
[2,334 (2.07% / 2.48%)] [41,342 / 55,212 (43.88%)]
11cm - 15cm 11cm - 15cm = 2,166
[2,166 (1.92% / 2.30%)] [43,508 / 52,878 (46.18%)]
16cm - 20cm 16cm - 20cm = 2,856
[2,856 (2.54% / 3.03%)] [46,364 / 50,712 (49.21%)]
21cm - 25cm 21cm - 25cm = 2,046
[2,046 (1.82% / 2.17%)] [48,410 / 47,856 (51.38%)]
26cm - 30cm 26cm - 30cm = 1,841
[1,841 (1.64% / 1.95%)] [50,251 / 45,810 (53.33%)]
31cm - 35cm 31cm - 35cm = 1,729
[1,729 (1.54% / 1.84%)] [51,980 / 43,969 (55.17%)]
36cm - 40cm 36cm - 40cm = 1,804
[1,804 (1.60% / 1.91%)] [53,784 / 42,240 (57.08%)]
41cm - 45cm 41cm - 45cm = 1,590
[1,590 (1.41% / 1.69%)] [55,374 / 40,436 (58.77%)]
46cm - 50cm 46cm - 50cm = 1,584
[1,584 (1.41% / 1.68%)] [56,958 / 38,846 (60.45%)]
51cm - 55cm 51cm - 55cm = 1,497
[1,497 (1.33% / 1.59%)] [58,455 / 37,262 (62.04%)]
56cm - 60cm 56cm - 60cm = 1,621
[1,621 (1.44% / 1.72%)] [60,076 / 35,765 (63.76%)]
61cm - 65cm 61cm - 65cm = 2,114
[2,114 (1.88% / 2.24%)] [62,190 / 34,144 (66.01%)]
66cm - 70cm 66cm - 70cm = 2,253
[2,253 (2.00% / 2.39%)] [64,443 / 32,030 (68.40%)]
71cm - 75cm 71cm - 75cm = 1,933
[1,933 (1.72% / 2.05%)] [66,376 / 29,777 (70.45%)]
76cm - 80cm 76cm - 80cm = 1,735
[1,735 (1.54% / 1.84%)] [68,111 / 27,844 (72.29%)]
81cm - 85cm 81cm - 85cm = 2,017
[2,017 (1.79% / 2.14%)] [70,128 / 26,109 (74.43%)]
86cm - 90cm 86cm - 90cm = 2,287
[2,287 (2.03% / 2.43%)] [72,415 / 24,092 (76.86%)]
91cm - 95cm 91cm - 95cm = 1,846
[1,846 (1.64% / 1.96%)] [74,261 / 21,805 (78.82%)]
96cm - 100cm 96cm - 100cm = 1,433
[1,433 (1.27% / 1.52%)] [75,694 / 19,959 (80.34%)]
101cm - 105cm 101cm - 105cm = 1,205
[1,205 (1.07% / 1.28%)] [76,899 / 18,526 (81.62%)]
106cm - 110cm 106cm - 110cm = 1,190
[1,190 (1.06% / 1.26%)] [78,089 / 17,321 (82.88%)]
111cm - 115cm 111cm - 115cm = 1,255
[1,255 (1.11% / 1.33%)] [79,344 / 16,131 (84.21%)]
116cm - 120cm 116cm - 120cm = 1,426
[1,426 (1.27% / 1.51%)] [80,770 / 14,876 (85.72%)]
121cm - 125cm 121cm - 125cm = 1,315
[1,315 (1.17% / 1.40%)] [82,085 / 13,450 (87.12%)]
126cm - 130cm 126cm - 130cm = 1,180
[1,180 (1.05% / 1.25%)] [83,265 / 12,135 (88.37%)]
131cm - 135cm 131cm - 135cm = 1,314
[1,314 (1.17% / 1.39%)] [84,579 / 10,955 (89.77%)]
136cm - 140cm 136cm - 140cm = 1,281
[1,281 (1.14% / 1.36%)] [85,860 / 9,641 (91.13%)]
141cm - 145cm 141cm - 145cm = 1,065
[1,065 (0.95% / 1.13%)] [86,925 / 8,360 (92.26%)]
146cm - 150cm 146cm - 150cm = 946
[946 (0.84% / 1.00%)] [87,871 / 7,295 (93.26%)]
151cm - 155cm 151cm - 155cm = 769
[769 (0.68% / 0.82%)] [88,640 / 6,349 (94.08%)]
156cm - 160cm 156cm - 160cm = 901
[901 (0.80% / 0.96%)] [89,541 / 5,580 (95.03%)]
161cm - 165cm 161cm - 165cm = 715
[715 (0.64% / 0.76%)] [90,256 / 4,679 (95.79%)]
166cm - 170cm 166cm - 170cm = 564
[564 (0.50% / 0.60%)] [90,820 / 3,964 (96.39%)]
171cm - 175cm 171cm - 175cm = 296
[296 (0.26% / 0.31%)] [91,116 / 3,400 (96.71%)]
176cm - 180cm 176cm - 180cm = 296
[296 (0.26% / 0.31%)] [91,412 / 3,104 (97.02%)]
181cm - 185cm 181cm - 185cm = 187
[187 (0.17% / 0.20%)] [91,599 / 2,808 (97.22%)]
186cm - 190cm 186cm - 190cm = 192
[192 (0.17% / 0.20%)] [91,791 / 2,621 (97.42%)]
191cm - 195cm 191cm - 195cm = 221
[221 (0.20% / 0.23%)] [92,012 / 2,429 (97.66%)]
196cm - 200cm 196cm - 200cm = 266
[266 (0.24% / 0.28%)] [92,278 / 2,208 (97.94%)]
201cm - 205cm 201cm - 205cm = 330
[330 (0.29% / 0.35%)] [92,608 / 1,942 (98.29%)]
206cm - 210cm 206cm - 210cm = 276
[276 (0.25% / 0.29%)] [92,884 / 1,612 (98.58%)]
211cm - 215cm 211cm - 215cm = 239
[239 (0.21% / 0.25%)] [93,123 / 1,336 (98.84%)]
216cm - 220cm 216cm - 220cm = 292
[292 (0.26% / 0.31%)] [93,415 / 1,097 (99.15%)]
221cm - 225cm 221cm - 225cm = 260
[260 (0.23% / 0.28%)] [93,675 / 805 (99.42%)]
226cm - 230cm 226cm - 230cm = 186
[186 (0.17% / 0.20%)] [93,861 / 545 (99.62%)]
231cm - 235cm 231cm - 235cm = 120
[120 (0.11% / 0.13%)] [93,981 / 359 (99.75%)]
236cm - 240cm 236cm - 240cm = 77
[77 (0.07% / 0.08%)] [94,058 / 239 (99.83%)]
241cm - 245cm 241cm - 245cm = 73
[73 (0.06% / 0.08%)] [94,131 / 162 (99.91%)]
246cm - 250cm 246cm - 250cm = 50
[50 (0.04% / 0.05%)] [94,181 / 89 (99.96%)]
251cm - 255cm 251cm - 255cm = 35
[35 (0.03% / 0.04%)] [94,216 / 39 (100.00%)]
256cm - 260cm 256cm - 260cm = 4
[4 (0.00% / 0.00%)] [94,220 / 4 (100.00%)]

Missing observations (18,340 / 16.29%)