Measurement results by the hour (Hachioji) 25 Dec., 2017 - 31 Dec., 2017

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 31 Dec. 0.0352 0.0308 0.0329
22:01-23:00, Sun., 31 Dec. 0.0357 0.0306 0.0330
21:01-22:00, Sun., 31 Dec. 0.0357 0.0299 0.0327
20:01-21:00, Sun., 31 Dec. 0.0343 0.0305 0.0323
19:01-20:00, Sun., 31 Dec. 0.0339 0.0297 0.0316
18:01-19:00, Sun., 31 Dec. 0.0341 0.0292 0.0314
17:01-18:00, Sun., 31 Dec. 0.0337 0.0304 0.0318
16:01-17:00, Sun., 31 Dec. 0.0336 0.0300 0.0316
15:01-16:00, Sun., 31 Dec. 0.0333 0.0294 0.0315
14:01-15:00, Sun., 31 Dec. 0.0331 0.0298 0.0315
13:01-14:00, Sun., 31 Dec. 0.0333 0.0296 0.0316
12:01-13:00, Sun., 31 Dec. 0.0342 0.0288 0.0315
11:01-12:00, Sun., 31 Dec. 0.0340 0.0296 0.0318
10:01-11:00, Sun., 31 Dec. 0.0344 0.0308 0.0324
09:01-10:00, Sun., 31 Dec. 0.0350 0.0313 0.0333
08:01-09:00, Sun., 31 Dec. 0.0354 0.0317 0.0338
07:01-08:00, Sun., 31 Dec. 0.0340 0.0305 0.0326
06:01-07:00, Sun., 31 Dec. 0.0343 0.0304 0.0322
05:01-06:00, Sun., 31 Dec. 0.0340 0.0300 0.0319
04:01-05:00, Sun., 31 Dec. 0.0336 0.0289 0.0315
03:01-04:00, Sun., 31 Dec. 0.0336 0.0300 0.0317
02:01-03:00, Sun., 31 Dec. 0.0339 0.0296 0.0318
01:01-02:00, Sun., 31 Dec. 0.0342 0.0301 0.0322
00:01-01:00, Sun., 31 Dec. 0.0338 0.0300 0.0319
23:01-24:00, Sat., 30 Dec. 0.0333 0.0289 0.0316
22:01-23:00, Sat., 30 Dec. 0.0340 0.0291 0.0312
21:01-22:00, Sat., 30 Dec. 0.0336 0.0289 0.0312
20:01-21:00, Sat., 30 Dec. 0.0328 0.0289 0.0308
19:01-20:00, Sat., 30 Dec. 0.0327 0.0289 0.0309
18:01-19:00, Sat., 30 Dec. 0.0331 0.0284 0.0309
17:01-18:00, Sat., 30 Dec. 0.0334 0.0294 0.0311
16:01-17:00, Sat., 30 Dec. 0.0335 0.0296 0.0313
15:01-16:00, Sat., 30 Dec. 0.0331 0.0292 0.0315
14:01-15:00, Sat., 30 Dec. 0.0332 0.0290 0.0314
13:01-14:00, Sat., 30 Dec. 0.0337 0.0294 0.0316
12:01-13:00, Sat., 30 Dec. 0.0333 0.0288 0.0316
11:01-12:00, Sat., 30 Dec. 0.0335 0.0292 0.0317
10:01-11:00, Sat., 30 Dec. 0.0338 0.0299 0.0318
09:01-10:00, Sat., 30 Dec. 0.0345 0.0301 0.0322
08:01-09:00, Sat., 30 Dec. 0.0345 0.0307 0.0320
07:01-08:00, Sat., 30 Dec. 0.0350 0.0292 0.0322
06:01-07:00, Sat., 30 Dec. 0.0341 0.0297 0.0321
05:01-06:00, Sat., 30 Dec. 0.0338 0.0291 0.0315
04:01-05:00, Sat., 30 Dec. 0.0345 0.0294 0.0317
03:01-04:00, Sat., 30 Dec. 0.0334 0.0290 0.0315
02:01-03:00, Sat., 30 Dec. 0.0336 0.0296 0.0316
01:01-02:00, Sat., 30 Dec. 0.0341 0.0303 0.0322
00:01-01:00, Sat., 30 Dec. 0.0338 0.0295 0.0322
23:01-24:00, Fri., 29 Dec. 0.0339 0.0293 0.0318
22:01-23:00, Fri., 29 Dec. 0.0337 0.0298 0.0316
21:01-22:00, Fri., 29 Dec. 0.0334 0.0284 0.0315
20:01-21:00, Fri., 29 Dec. 0.0334 0.0298 0.0315
19:01-20:00, Fri., 29 Dec. 0.0343 0.0293 0.0315
18:01-19:00, Fri., 29 Dec. 0.0339 0.0287 0.0312
17:01-18:00, Fri., 29 Dec. 0.0330 0.0286 0.0310
16:01-17:00, Fri., 29 Dec. 0.0330 0.0290 0.0309
15:01-16:00, Fri., 29 Dec. 0.0326 0.0295 0.0310
14:01-15:00, Fri., 29 Dec. 0.0339 0.0285 0.0313
13:01-14:00, Fri., 29 Dec. 0.0337 0.0287 0.0310
12:01-13:00, Fri., 29 Dec. 0.0333 0.0288 0.0312
11:01-12:00, Fri., 29 Dec. 0.0332 0.0295 0.0315
10:01-11:00, Fri., 29 Dec. 0.0351 0.0303 0.0325
09:01-10:00, Fri., 29 Dec. 0.0346 0.0303 0.0322
08:01-09:00, Fri., 29 Dec. 0.0344 0.0308 0.0327
07:01-08:00, Fri., 29 Dec. 0.0352 0.0311 0.0328
06:01-07:00, Fri., 29 Dec. 0.0352 0.0305 0.0330
05:01-06:00, Fri., 29 Dec. 0.0351 0.0310 0.0331
04:01-05:00, Fri., 29 Dec. 0.0350 0.0311 0.0333
03:01-04:00, Fri., 29 Dec. 0.0350 0.0310 0.0330
02:01-03:00, Fri., 29 Dec. 0.0345 0.0301 0.0325
01:01-02:00, Fri., 29 Dec. 0.0352 0.0308 0.0329
00:01-01:00, Fri., 29 Dec. 0.0350 0.0303 0.0326
23:01-24:00, Thu., 28 Dec. 0.0343 0.0297 0.0320
22:01-23:00, Thu., 28 Dec. 0.0344 0.0304 0.0324
21:01-22:00, Thu., 28 Dec. 0.0337 0.0297 0.0318
20:01-21:00, Thu., 28 Dec. 0.0330 0.0286 0.0311
19:01-20:00, Thu., 28 Dec. 0.0334 0.0276 0.0309
18:01-19:00, Thu., 28 Dec. 0.0332 0.0284 0.0308
17:01-18:00, Thu., 28 Dec. 0.0327 0.0281 0.0308
16:01-17:00, Thu., 28 Dec. 0.0325 0.0283 0.0306
15:01-16:00, Thu., 28 Dec. 0.0340 0.0292 0.0312
14:01-15:00, Thu., 28 Dec. 0.0339 0.0294 0.0313
13:01-14:00, Thu., 28 Dec. 0.0336 0.0293 0.0316
12:01-13:00, Thu., 28 Dec. 0.0333 0.0293 0.0313
11:01-12:00, Thu., 28 Dec. 0.0331 0.0298 0.0315
10:01-11:00, Thu., 28 Dec. 0.0335 0.0297 0.0318
09:01-10:00, Thu., 28 Dec. 0.0336 0.0304 0.0319
08:01-09:00, Thu., 28 Dec. 0.0341 0.0310 0.0325
07:01-08:00, Thu., 28 Dec. 0.0355 0.0306 0.0326
06:01-07:00, Thu., 28 Dec. 0.0354 0.0318 0.0335
05:01-06:00, Thu., 28 Dec. 0.0345 0.0308 0.0330
04:01-05:00, Thu., 28 Dec. 0.0340 0.0303 0.0321
03:01-04:00, Thu., 28 Dec. 0.0342 0.0305 0.0320
02:01-03:00, Thu., 28 Dec. 0.0341 0.0304 0.0323
01:01-02:00, Thu., 28 Dec. 0.0333 0.0304 0.0317
00:01-01:00, Thu., 28 Dec. 0.0341 0.0294 0.0316
23:01-24:00, Wed., 27 Dec. 0.0331 0.0286 0.0314
22:01-23:00, Wed., 27 Dec. 0.0338 0.0297 0.0314
21:01-22:00, Wed., 27 Dec. 0.0335 0.0292 0.0311
20:01-21:00, Wed., 27 Dec. 0.0337 0.0293 0.0314
19:01-20:00, Wed., 27 Dec. 0.0337 0.0289 0.0312
18:01-19:00, Wed., 27 Dec. 0.0336 0.0293 0.0312
17:01-18:00, Wed., 27 Dec. 0.0327 0.0288 0.0311
16:01-17:00, Wed., 27 Dec. 0.0331 0.0290 0.0313
15:01-16:00, Wed., 27 Dec. 0.0332 0.0296 0.0313
14:01-15:00, Wed., 27 Dec. 0.0337 0.0291 0.0316
13:01-14:00, Wed., 27 Dec. 0.0339 0.0297 0.0317
12:01-13:00, Wed., 27 Dec. 0.0332 0.0290 0.0313
11:01-12:00, Wed., 27 Dec. 0.0347 0.0293 0.0316
10:01-11:00, Wed., 27 Dec. 0.0341 0.0292 0.0318
09:01-10:00, Wed., 27 Dec. 0.0335 0.0292 0.0314
08:01-09:00, Wed., 27 Dec. 0.0340 0.0292 0.0313
07:01-08:00, Wed., 27 Dec. 0.0343 0.0291 0.0321
06:01-07:00, Wed., 27 Dec. 0.0344 0.0308 0.0326
05:01-06:00, Wed., 27 Dec. 0.0349 0.0304 0.0327
04:01-05:00, Wed., 27 Dec. 0.0341 0.0298 0.0322
03:01-04:00, Wed., 27 Dec. 0.0335 0.0304 0.0320
02:01-03:00, Wed., 27 Dec. 0.0342 0.0301 0.0322
01:01-02:00, Wed., 27 Dec. 0.0347 0.0304 0.0321
00:01-01:00, Wed., 27 Dec. 0.0338 0.0295 0.0322
23:01-24:00, Tue., 26 Dec. 0.0341 0.0297 0.0320
22:01-23:00, Tue., 26 Dec. 0.0345 0.0299 0.0316
21:01-22:00, Tue., 26 Dec. 0.0333 0.0300 0.0317
20:01-21:00, Tue., 26 Dec. 0.0331 0.0300 0.0316
19:01-20:00, Tue., 26 Dec. 0.0338 0.0288 0.0314
18:01-19:00, Tue., 26 Dec. 0.0337 0.0291 0.0314
17:01-18:00, Tue., 26 Dec. 0.0338 0.0299 0.0315
16:01-17:00, Tue., 26 Dec. 0.0336 0.0289 0.0315
15:01-16:00, Tue., 26 Dec. 0.0339 0.0297 0.0318
14:01-15:00, Tue., 26 Dec. 0.0334 0.0287 0.0314
13:01-14:00, Tue., 26 Dec. 0.0334 0.0297 0.0316
12:01-13:00, Tue., 26 Dec. 0.0336 0.0293 0.0314
11:01-12:00, Tue., 26 Dec. 0.0343 0.0309 0.0322
10:01-11:00, Tue., 26 Dec. 0.0352 0.0308 0.0322
09:01-10:00, Tue., 26 Dec. 0.0346 0.0311 0.0325
08:01-09:00, Tue., 26 Dec. 0.0346 0.0311 0.0329
07:01-08:00, Tue., 26 Dec. 0.0352 0.0309 0.0330
06:01-07:00, Tue., 26 Dec. 0.0349 0.0308 0.0331
05:01-06:00, Tue., 26 Dec. 0.0354 0.0308 0.0337
04:01-05:00, Tue., 26 Dec. 0.0347 0.0305 0.0328
03:01-04:00, Tue., 26 Dec. 0.0349 0.0301 0.0327
02:01-03:00, Tue., 26 Dec. 0.0343 0.0304 0.0322
01:01-02:00, Tue., 26 Dec. 0.0350 0.0304 0.0323
00:01-01:00, Tue., 26 Dec. 0.0346 0.0311 0.0328
23:01-24:00, Mon., 25 Dec. 0.0355 0.0306 0.0327
22:01-23:00, Mon., 25 Dec. 0.0340 0.0301 0.0327
21:01-22:00, Mon., 25 Dec. 0.0350 0.0311 0.0328
20:01-21:00, Mon., 25 Dec. 0.0345 0.0302 0.0325
19:01-20:00, Mon., 25 Dec. 0.0355 0.0305 0.0325
18:01-19:00, Mon., 25 Dec. 0.0350 0.0305 0.0325
17:01-18:00, Mon., 25 Dec. 0.0348 0.0303 0.0323
16:01-17:00, Mon., 25 Dec. 0.0339 0.0295 0.0323
15:01-16:00, Mon., 25 Dec. 0.0345 0.0295 0.0318
14:01-15:00, Mon., 25 Dec. 0.0342 0.0299 0.0319
13:01-14:00, Mon., 25 Dec. 0.0335 0.0301 0.0317
12:01-13:00, Mon., 25 Dec. 0.0336 0.0299 0.0319
11:01-12:00, Mon., 25 Dec. 0.0341 0.0295 0.0320
10:01-11:00, Mon., 25 Dec. 0.0342 0.0297 0.0318
09:01-10:00, Mon., 25 Dec. 0.0342 0.0299 0.0321
08:01-09:00, Mon., 25 Dec. 0.0349 0.0306 0.0325
07:01-08:00, Mon., 25 Dec. 0.0342 0.0302 0.0325
06:01-07:00, Mon., 25 Dec. 0.0357 0.0310 0.0332
05:01-06:00, Mon., 25 Dec. 0.0369 0.0319 0.0348
04:01-05:00, Mon., 25 Dec. 0.0419 0.0351 0.0378
03:01-04:00, Mon., 25 Dec. 0.0441 0.0367 0.0407
02:01-03:00, Mon., 25 Dec. 0.0428 0.0362 0.0394
01:01-02:00, Mon., 25 Dec. 0.0410 0.0353 0.0379
00:01-01:00, Mon., 25 Dec. 0.0400 0.0320 0.0351