Measurement results by the hour (Chofu) 12 Oct., 2015 - 18 Oct., 2015

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., 18 Oct. 0.0334 0.0298 0.0315
22:01-23:00, Sun., 18 Oct. 0.0324 0.0284 0.0304
21:01-22:00, Sun., 18 Oct. 0.0320 0.0282 0.0302
20:01-21:00, Sun., 18 Oct. 0.0323 0.0286 0.0301
19:01-20:00, Sun., 18 Oct. 0.0314 0.0280 0.0299
18:01-19:00, Sun., 18 Oct. 0.0314 0.0278 0.0299
17:01-18:00, Sun., 18 Oct. 0.0326 0.0274 0.0297
16:01-17:00, Sun., 18 Oct. 0.0323 0.0276 0.0297
15:01-16:00, Sun., 18 Oct. 0.0316 0.0280 0.0297
14:01-15:00, Sun., 18 Oct. 0.0315 0.0283 0.0296
13:01-14:00, Sun., 18 Oct. 0.0322 0.0281 0.0300
12:01-13:00, Sun., 18 Oct. 0.0318 0.0280 0.0298
11:01-12:00, Sun., 18 Oct. 0.0321 0.0282 0.0298
10:01-11:00, Sun., 18 Oct. 0.0325 0.0280 0.0300
09:01-10:00, Sun., 18 Oct. 0.0323 0.0281 0.0302
08:01-09:00, Sun., 18 Oct. 0.0325 0.0289 0.0304
07:01-08:00, Sun., 18 Oct. 0.0326 0.0289 0.0306
06:01-07:00, Sun., 18 Oct. 0.0330 0.0290 0.0307
05:01-06:00, Sun., 18 Oct. 0.0329 0.0286 0.0306
04:01-05:00, Sun., 18 Oct. 0.0317 0.0281 0.0300
03:01-04:00, Sun., 18 Oct. 0.0319 0.0279 0.0299
02:01-03:00, Sun., 18 Oct. 0.0318 0.0274 0.0297
01:01-02:00, Sun., 18 Oct. 0.0324 0.0279 0.0300
00:01-01:00, Sun., 18 Oct. 0.0321 0.0279 0.0300
23:01-24:00, Sat., 17 Oct. 0.0315 0.0278 0.0299
22:01-23:00, Sat., 17 Oct. 0.0314 0.0283 0.0299
21:01-22:00, Sat., 17 Oct. 0.0318 0.0276 0.0299
20:01-21:00, Sat., 17 Oct. 0.0315 0.0273 0.0298
19:01-20:00, Sat., 17 Oct. 0.0320 0.0283 0.0301
18:01-19:00, Sat., 17 Oct. 0.0317 0.0280 0.0300
17:01-18:00, Sat., 17 Oct. 0.0319 0.0283 0.0301
16:01-17:00, Sat., 17 Oct. 0.0328 0.0283 0.0302
15:01-16:00, Sat., 17 Oct. 0.0317 0.0273 0.0299
14:01-15:00, Sat., 17 Oct. 0.0317 0.0286 0.0302
13:01-14:00, Sat., 17 Oct. 0.0328 0.0292 0.0304
12:01-13:00, Sat., 17 Oct. 0.0327 0.0285 0.0305
11:01-12:00, Sat., 17 Oct. 0.0340 0.0293 0.0311
10:01-11:00, Sat., 17 Oct. 0.0354 0.0299 0.0328
09:01-10:00, Sat., 17 Oct. 0.0410 0.0331 0.0364
08:01-09:00, Sat., 17 Oct. 0.0408 0.0284 0.0340
07:01-08:00, Sat., 17 Oct. 0.0325 0.0282 0.0301
06:01-07:00, Sat., 17 Oct. 0.0327 0.0280 0.0303
05:01-06:00, Sat., 17 Oct. 0.0359 0.0301 0.0323
04:01-05:00, Sat., 17 Oct. 0.0366 0.0319 0.0348
03:01-04:00, Sat., 17 Oct. 0.0419 0.0343 0.0377
02:01-03:00, Sat., 17 Oct. 0.0404 0.0344 0.0369
01:01-02:00, Sat., 17 Oct. 0.0372 0.0330 0.0355
00:01-01:00, Sat., 17 Oct. 0.0378 0.0326 0.0348
23:01-24:00, Fri., 16 Oct. 0.0375 0.0326 0.0349
22:01-23:00, Fri., 16 Oct. 0.0392 0.0325 0.0348
21:01-22:00, Fri., 16 Oct. 0.0382 0.0310 0.0347
20:01-21:00, Fri., 16 Oct. 0.0332 0.0288 0.0315
19:01-20:00, Fri., 16 Oct. 0.0325 0.0281 0.0306
18:01-19:00, Fri., 16 Oct. 0.0332 0.0292 0.0313
17:01-18:00, Fri., 16 Oct. 0.0361 0.0289 0.0325
16:01-17:00, Fri., 16 Oct. 0.0385 0.0298 0.0348
15:01-16:00, Fri., 16 Oct. 0.0345 0.0302 0.0325
14:01-15:00, Fri., 16 Oct. 0.0362 0.0312 0.0343
13:01-14:00, Fri., 16 Oct. 0.0358 0.0305 0.0334
12:01-13:00, Fri., 16 Oct. 0.0393 0.0323 0.0361
11:01-12:00, Fri., 16 Oct. 0.0468 0.0373 0.0421
10:01-11:00, Fri., 16 Oct. 0.0475 0.0380 0.0430
09:01-10:00, Fri., 16 Oct. 0.0434 0.0364 0.0390
08:01-09:00, Fri., 16 Oct. 0.0434 0.0350 0.0378
07:01-08:00, Fri., 16 Oct. 0.0383 0.0331 0.0358
06:01-07:00, Fri., 16 Oct. 0.0369 0.0325 0.0346
05:01-06:00, Fri., 16 Oct. 0.0368 0.0320 0.0344
04:01-05:00, Fri., 16 Oct. 0.0367 0.0319 0.0339
03:01-04:00, Fri., 16 Oct. 0.0432 0.0350 0.0384
02:01-03:00, Fri., 16 Oct. 0.0450 0.0359 0.0401
01:01-02:00, Fri., 16 Oct. 0.0430 0.0340 0.0369
00:01-01:00, Fri., 16 Oct. 0.0439 0.0365 0.0393
23:01-24:00, Thu., 15 Oct. 0.0426 0.0316 0.0355
22:01-23:00, Thu., 15 Oct. 0.0344 0.0291 0.0318
21:01-22:00, Thu., 15 Oct. 0.0333 0.0288 0.0309
20:01-21:00, Thu., 15 Oct. 0.0325 0.0282 0.0304
19:01-20:00, Thu., 15 Oct. 0.0328 0.0285 0.0305
18:01-19:00, Thu., 15 Oct. 0.0323 0.0284 0.0306
17:01-18:00, Thu., 15 Oct. 0.0322 0.0289 0.0305
16:01-17:00, Thu., 15 Oct. 0.0326 0.0286 0.0307
15:01-16:00, Thu., 15 Oct. 0.0333 0.0289 0.0308
14:01-15:00, Thu., 15 Oct. 0.0331 0.0284 0.0308
13:01-14:00, Thu., 15 Oct. 0.0329 0.0290 0.0309
12:01-13:00, Thu., 15 Oct. 0.0336 0.0288 0.0311
11:01-12:00, Thu., 15 Oct. 0.0335 0.0285 0.0310
10:01-11:00, Thu., 15 Oct. 0.0329 0.0294 0.0314
09:01-10:00, Thu., 15 Oct. 0.0339 0.0296 0.0318
08:01-09:00, Thu., 15 Oct. 0.0337 0.0299 0.0321
07:01-08:00, Thu., 15 Oct. 0.0346 0.0313 0.0327
06:01-07:00, Thu., 15 Oct. 0.0345 0.0306 0.0326
05:01-06:00, Thu., 15 Oct. 0.0346 0.0303 0.0324
04:01-05:00, Thu., 15 Oct. 0.0335 0.0298 0.0319
03:01-04:00, Thu., 15 Oct. 0.0340 0.0295 0.0315
02:01-03:00, Thu., 15 Oct. 0.0335 0.0291 0.0312
01:01-02:00, Thu., 15 Oct. 0.0332 0.0291 0.0314
00:01-01:00, Thu., 15 Oct. 0.0333 0.0289 0.0314
23:01-24:00, Wed., 14 Oct. 0.0331 0.0295 0.0313
22:01-23:00, Wed., 14 Oct. 0.0332 0.0289 0.0310
21:01-22:00, Wed., 14 Oct. 0.0324 0.0293 0.0307
20:01-21:00, Wed., 14 Oct. 0.0329 0.0289 0.0308
19:01-20:00, Wed., 14 Oct. 0.0325 0.0286 0.0306
18:01-19:00, Wed., 14 Oct. 0.0328 0.0285 0.0305
17:01-18:00, Wed., 14 Oct. 0.0326 0.0284 0.0308
16:01-17:00, Wed., 14 Oct. 0.0330 0.0283 0.0306
15:01-16:00, Wed., 14 Oct. 0.0323 0.0289 0.0308
14:01-15:00, Wed., 14 Oct. 0.0331 0.0285 0.0308
13:01-14:00, Wed., 14 Oct. 0.0334 0.0288 0.0307
12:01-13:00, Wed., 14 Oct. 0.0325 0.0289 0.0306
11:01-12:00, Wed., 14 Oct. 0.0333 0.0289 0.0309
10:01-11:00, Wed., 14 Oct. 0.0334 0.0291 0.0312
09:01-10:00, Wed., 14 Oct. 0.0336 0.0296 0.0315
08:01-09:00, Wed., 14 Oct. 0.0338 0.0294 0.0315
07:01-08:00, Wed., 14 Oct. 0.0331 0.0296 0.0314
06:01-07:00, Wed., 14 Oct. 0.0332 0.0295 0.0313
05:01-06:00, Wed., 14 Oct. 0.0333 0.0286 0.0313
04:01-05:00, Wed., 14 Oct. 0.0330 0.0287 0.0310
03:01-04:00, Wed., 14 Oct. 0.0336 0.0291 0.0313
02:01-03:00, Wed., 14 Oct. 0.0335 0.0292 0.0314
01:01-02:00, Wed., 14 Oct. 0.0331 0.0291 0.0309
00:01-01:00, Wed., 14 Oct. 0.0330 0.0290 0.0311
23:01-24:00, Tue., 13 Oct. 0.0335 0.0284 0.0308
22:01-23:00, Tue., 13 Oct. 0.0336 0.0295 0.0312
21:01-22:00, Tue., 13 Oct. 0.0331 0.0286 0.0308
20:01-21:00, Tue., 13 Oct. 0.0331 0.0291 0.0310
19:01-20:00, Tue., 13 Oct. 0.0329 0.0289 0.0308
18:01-19:00, Tue., 13 Oct. 0.0329 0.0285 0.0309
17:01-18:00, Tue., 13 Oct. 0.0331 0.0287 0.0307
16:01-17:00, Tue., 13 Oct. 0.0331 0.0287 0.0308
15:01-16:00, Tue., 13 Oct. 0.0329 0.0288 0.0307
14:01-15:00, Tue., 13 Oct. 0.0330 0.0286 0.0307
13:01-14:00, Tue., 13 Oct. 0.0324 0.0287 0.0307
12:01-13:00, Tue., 13 Oct. 0.0331 0.0297 0.0311
11:01-12:00, Tue., 13 Oct. 0.0331 0.0291 0.0308
10:01-11:00, Tue., 13 Oct. 0.0338 0.0292 0.0314
09:01-10:00, Tue., 13 Oct. 0.0338 0.0289 0.0311
08:01-09:00, Tue., 13 Oct. 0.0340 0.0300 0.0319
07:01-08:00, Tue., 13 Oct. 0.0344 0.0311 0.0327
06:01-07:00, Tue., 13 Oct. 0.0348 0.0306 0.0327
05:01-06:00, Tue., 13 Oct. 0.0352 0.0305 0.0325
04:01-05:00, Tue., 13 Oct. 0.0338 0.0296 0.0318
03:01-04:00, Tue., 13 Oct. 0.0331 0.0294 0.0315
02:01-03:00, Tue., 13 Oct. 0.0339 0.0296 0.0318
01:01-02:00, Tue., 13 Oct. 0.0336 0.0298 0.0317
00:01-01:00, Tue., 13 Oct. 0.0337 0.0295 0.0315
23:01-24:00, Mon., 12 Oct. 0.0338 0.0295 0.0316
22:01-23:00, Mon., 12 Oct. 0.0343 0.0300 0.0317
21:01-22:00, Mon., 12 Oct. 0.0340 0.0298 0.0321
20:01-21:00, Mon., 12 Oct. 0.0330 0.0285 0.0314
19:01-20:00, Mon., 12 Oct. 0.0327 0.0284 0.0308
18:01-19:00, Mon., 12 Oct. 0.0323 0.0276 0.0304
17:01-18:00, Mon., 12 Oct. 0.0333 0.0287 0.0305
16:01-17:00, Mon., 12 Oct. 0.0321 0.0280 0.0305
15:01-16:00, Mon., 12 Oct. 0.0321 0.0271 0.0303
14:01-15:00, Mon., 12 Oct. 0.0317 0.0291 0.0305
13:01-14:00, Mon., 12 Oct. 0.0345 0.0285 0.0305
12:01-13:00, Mon., 12 Oct. 0.0334 0.0288 0.0308
11:01-12:00, Mon., 12 Oct. 0.0340 0.0289 0.0310
10:01-11:00, Mon., 12 Oct. 0.0329 0.0287 0.0309
09:01-10:00, Mon., 12 Oct. 0.0331 0.0288 0.0312
08:01-09:00, Mon., 12 Oct. 0.0334 0.0293 0.0316
07:01-08:00, Mon., 12 Oct. 0.0337 0.0305 0.0320
06:01-07:00, Mon., 12 Oct. 0.0338 0.0294 0.0317
05:01-06:00, Mon., 12 Oct. 0.0331 0.0295 0.0312
04:01-05:00, Mon., 12 Oct. 0.0334 0.0290 0.0313
03:01-04:00, Mon., 12 Oct. 0.0338 0.0294 0.0315
02:01-03:00, Mon., 12 Oct. 0.0334 0.0291 0.0315
01:01-02:00, Mon., 12 Oct. 0.0337 0.0299 0.0316
00:01-01:00, Mon., 12 Oct. 0.0338 0.0297 0.0317