Measurement results by the hour (Chofu) 7 Mar., 2016 - 13 Mar., 2016

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., 13 Mar. 0.0309 0.0278 0.0292
22:01-23:00, Sun., 13 Mar. 0.0320 0.0273 0.0295
21:01-22:00, Sun., 13 Mar. 0.0309 0.0276 0.0296
20:01-21:00, Sun., 13 Mar. 0.0313 0.0278 0.0296
19:01-20:00, Sun., 13 Mar. 0.0316 0.0272 0.0295
18:01-19:00, Sun., 13 Mar. 0.0321 0.0270 0.0296
17:01-18:00, Sun., 13 Mar. 0.0312 0.0278 0.0294
16:01-17:00, Sun., 13 Mar. 0.0315 0.0274 0.0294
15:01-16:00, Sun., 13 Mar. 0.0315 0.0278 0.0295
14:01-15:00, Sun., 13 Mar. 0.0314 0.0276 0.0296
13:01-14:00, Sun., 13 Mar. 0.0315 0.0280 0.0299
12:01-13:00, Sun., 13 Mar. 0.0316 0.0280 0.0295
11:01-12:00, Sun., 13 Mar. 0.0315 0.0272 0.0298
10:01-11:00, Sun., 13 Mar. 0.0321 0.0276 0.0299
09:01-10:00, Sun., 13 Mar. 0.0319 0.0285 0.0298
08:01-09:00, Sun., 13 Mar. 0.0320 0.0282 0.0299
07:01-08:00, Sun., 13 Mar. 0.0318 0.0282 0.0300
06:01-07:00, Sun., 13 Mar. 0.0321 0.0281 0.0296
05:01-06:00, Sun., 13 Mar. 0.0324 0.0271 0.0299
04:01-05:00, Sun., 13 Mar. 0.0313 0.0278 0.0297
03:01-04:00, Sun., 13 Mar. 0.0318 0.0282 0.0298
02:01-03:00, Sun., 13 Mar. 0.0310 0.0266 0.0294
01:01-02:00, Sun., 13 Mar. 0.0319 0.0270 0.0292
00:01-01:00, Sun., 13 Mar. 0.0311 0.0275 0.0294
23:01-24:00, Sat., 12 Mar. 0.0311 0.0279 0.0295
22:01-23:00, Sat., 12 Mar. 0.0311 0.0272 0.0295
21:01-22:00, Sat., 12 Mar. 0.0314 0.0279 0.0295
20:01-21:00, Sat., 12 Mar. 0.0317 0.0275 0.0297
19:01-20:00, Sat., 12 Mar. 0.0314 0.0276 0.0294
18:01-19:00, Sat., 12 Mar. 0.0311 0.0275 0.0296
17:01-18:00, Sat., 12 Mar. 0.0311 0.0275 0.0295
16:01-17:00, Sat., 12 Mar. 0.0315 0.0274 0.0294
15:01-16:00, Sat., 12 Mar. 0.0320 0.0278 0.0296
14:01-15:00, Sat., 12 Mar. 0.0318 0.0271 0.0298
13:01-14:00, Sat., 12 Mar. 0.0319 0.0279 0.0297
12:01-13:00, Sat., 12 Mar. 0.0314 0.0279 0.0296
11:01-12:00, Sat., 12 Mar. 0.0316 0.0280 0.0296
10:01-11:00, Sat., 12 Mar. 0.0324 0.0285 0.0299
09:01-10:00, Sat., 12 Mar. 0.0325 0.0279 0.0300
08:01-09:00, Sat., 12 Mar. 0.0314 0.0276 0.0300
07:01-08:00, Sat., 12 Mar. 0.0327 0.0274 0.0299
06:01-07:00, Sat., 12 Mar. 0.0329 0.0283 0.0298
05:01-06:00, Sat., 12 Mar. 0.0322 0.0283 0.0297
04:01-05:00, Sat., 12 Mar. 0.0325 0.0276 0.0300
03:01-04:00, Sat., 12 Mar. 0.0314 0.0272 0.0296
02:01-03:00, Sat., 12 Mar. 0.0318 0.0278 0.0296
01:01-02:00, Sat., 12 Mar. 0.0321 0.0277 0.0297
00:01-01:00, Sat., 12 Mar. 0.0317 0.0279 0.0300
23:01-24:00, Fri., 11 Mar. 0.0317 0.0276 0.0296
22:01-23:00, Fri., 11 Mar. 0.0317 0.0281 0.0297
21:01-22:00, Fri., 11 Mar. 0.0397 0.0278 0.0297
20:01-21:00, Fri., 11 Mar. 0.0311 0.0271 0.0296
19:01-20:00, Fri., 11 Mar. 0.0312 0.0277 0.0297
18:01-19:00, Fri., 11 Mar. 0.0316 0.0274 0.0298
17:01-18:00, Fri., 11 Mar. 0.0317 0.0281 0.0299
16:01-17:00, Fri., 11 Mar. 0.0328 0.0291 0.0309
15:01-16:00, Fri., 11 Mar. 0.0333 0.0293 0.0316
14:01-15:00, Fri., 11 Mar. 0.0334 0.0286 0.0307
13:01-14:00, Fri., 11 Mar. 0.0322 0.0281 0.0302
12:01-13:00, Fri., 11 Mar. 0.0339 0.0294 0.0311
11:01-12:00, Fri., 11 Mar. 0.0347 0.0300 0.0322
10:01-11:00, Fri., 11 Mar. 0.0346 0.0295 0.0325
09:01-10:00, Fri., 11 Mar. 0.0334 0.0300 0.0318
08:01-09:00, Fri., 11 Mar. 0.0328 0.0295 0.0311
07:01-08:00, Fri., 11 Mar. 0.0347 0.0305 0.0325
06:01-07:00, Fri., 11 Mar. 0.0343 0.0289 0.0320
05:01-06:00, Fri., 11 Mar. 0.0325 0.0283 0.0302
04:01-05:00, Fri., 11 Mar. 0.0323 0.0285 0.0301
03:01-04:00, Fri., 11 Mar. 0.0332 0.0289 0.0307
02:01-03:00, Fri., 11 Mar. 0.0360 0.0297 0.0321
01:01-02:00, Fri., 11 Mar. 0.0370 0.0328 0.0349
00:01-01:00, Fri., 11 Mar. 0.0355 0.0295 0.0320
23:01-24:00, Thu., 10 Mar. 0.0342 0.0293 0.0319
22:01-23:00, Thu., 10 Mar. 0.0341 0.0298 0.0322
21:01-22:00, Thu., 10 Mar. 0.0357 0.0289 0.0318
20:01-21:00, Thu., 10 Mar. 0.0314 0.0273 0.0296
19:01-20:00, Thu., 10 Mar. 0.0312 0.0273 0.0296
18:01-19:00, Thu., 10 Mar. 0.0317 0.0279 0.0297
17:01-18:00, Thu., 10 Mar. 0.0316 0.0277 0.0296
16:01-17:00, Thu., 10 Mar. 0.0316 0.0268 0.0299
15:01-16:00, Thu., 10 Mar. 0.0315 0.0275 0.0296
14:01-15:00, Thu., 10 Mar. 0.0313 0.0271 0.0298
13:01-14:00, Thu., 10 Mar. 0.0317 0.0280 0.0297
12:01-13:00, Thu., 10 Mar. 0.0321 0.0279 0.0298
11:01-12:00, Thu., 10 Mar. 0.0316 0.0272 0.0296
10:01-11:00, Thu., 10 Mar. 0.0312 0.0272 0.0296
09:01-10:00, Thu., 10 Mar. 0.0324 0.0276 0.0301
08:01-09:00, Thu., 10 Mar. 0.0316 0.0277 0.0298
07:01-08:00, Thu., 10 Mar. 0.0319 0.0280 0.0301
06:01-07:00, Thu., 10 Mar. 0.0324 0.0277 0.0301
05:01-06:00, Thu., 10 Mar. 0.0314 0.0281 0.0295
04:01-05:00, Thu., 10 Mar. 0.0315 0.0276 0.0298
03:01-04:00, Thu., 10 Mar. 0.0324 0.0277 0.0298
02:01-03:00, Thu., 10 Mar. 0.0332 0.0281 0.0301
01:01-02:00, Thu., 10 Mar. 0.0335 0.0294 0.0314
00:01-01:00, Thu., 10 Mar. 0.0382 0.0317 0.0349
23:01-24:00, Wed., 09 Mar. 0.0462 0.0351 0.0398
22:01-23:00, Wed., 09 Mar. 0.0522 0.0404 0.0461
21:01-22:00, Wed., 09 Mar. 0.0556 0.0461 0.0501
20:01-21:00, Wed., 09 Mar. 0.0491 0.0415 0.0450
19:01-20:00, Wed., 09 Mar. 0.0487 0.0406 0.0444
18:01-19:00, Wed., 09 Mar. 0.0513 0.0432 0.0471
17:01-18:00, Wed., 09 Mar. 0.0536 0.0438 0.0493
16:01-17:00, Wed., 09 Mar. 0.0573 0.0475 0.0524
15:01-16:00, Wed., 09 Mar. 0.0534 0.0427 0.0480
14:01-15:00, Wed., 09 Mar. 0.0473 0.0392 0.0434
13:01-14:00, Wed., 09 Mar. 0.0448 0.0376 0.0409
12:01-13:00, Wed., 09 Mar. 0.0446 0.0350 0.0394
11:01-12:00, Wed., 09 Mar. 0.0389 0.0327 0.0356
10:01-11:00, Wed., 09 Mar. 0.0369 0.0285 0.0338
09:01-10:00, Wed., 09 Mar. 0.0335 0.0288 0.0315
08:01-09:00, Wed., 09 Mar. 0.0329 0.0278 0.0304
07:01-08:00, Wed., 09 Mar. 0.0311 0.0270 0.0296
06:01-07:00, Wed., 09 Mar. 0.0325 0.0280 0.0302
05:01-06:00, Wed., 09 Mar. 0.0318 0.0275 0.0296
04:01-05:00, Wed., 09 Mar. 0.0311 0.0281 0.0296
03:01-04:00, Wed., 09 Mar. 0.0314 0.0276 0.0297
02:01-03:00, Wed., 09 Mar. 0.0314 0.0274 0.0295
01:01-02:00, Wed., 09 Mar. 0.0316 0.0271 0.0298
00:01-01:00, Wed., 09 Mar. 0.0328 0.0277 0.0299
23:01-24:00, Tue., 08 Mar. 0.0313 0.0279 0.0297
22:01-23:00, Tue., 08 Mar. 0.0315 0.0282 0.0297
21:01-22:00, Tue., 08 Mar. 0.0309 0.0274 0.0294
20:01-21:00, Tue., 08 Mar. 0.0321 0.0277 0.0296
19:01-20:00, Tue., 08 Mar. 0.0317 0.0269 0.0295
18:01-19:00, Tue., 08 Mar. 0.0311 0.0269 0.0292
17:01-18:00, Tue., 08 Mar. 0.0317 0.0272 0.0290
16:01-17:00, Tue., 08 Mar. 0.0312 0.0273 0.0290
15:01-16:00, Tue., 08 Mar. 0.0309 0.0263 0.0288
14:01-15:00, Tue., 08 Mar. 0.0302 0.0270 0.0287
13:01-14:00, Tue., 08 Mar. 0.0308 0.0268 0.0287
12:01-13:00, Tue., 08 Mar. 0.0305 0.0271 0.0287
11:01-12:00, Tue., 08 Mar. 0.0312 0.0277 0.0292
10:01-11:00, Tue., 08 Mar. 0.0317 0.0275 0.0295
09:01-10:00, Tue., 08 Mar. 0.0314 0.0276 0.0295
08:01-09:00, Tue., 08 Mar. 0.0318 0.0281 0.0301
07:01-08:00, Tue., 08 Mar. 0.0319 0.0285 0.0302
06:01-07:00, Tue., 08 Mar. 0.0327 0.0287 0.0302
05:01-06:00, Tue., 08 Mar. 0.0321 0.0276 0.0300
04:01-05:00, Tue., 08 Mar. 0.0325 0.0282 0.0302
03:01-04:00, Tue., 08 Mar. 0.0322 0.0277 0.0300
02:01-03:00, Tue., 08 Mar. 0.0315 0.0271 0.0295
01:01-02:00, Tue., 08 Mar. 0.0314 0.0279 0.0297
00:01-01:00, Tue., 08 Mar. 0.0315 0.0274 0.0298
23:01-24:00, Mon., 07 Mar. 0.0310 0.0272 0.0294
22:01-23:00, Mon., 07 Mar. 0.0313 0.0272 0.0296
21:01-22:00, Mon., 07 Mar. 0.0315 0.0276 0.0293
20:01-21:00, Mon., 07 Mar. 0.0317 0.0275 0.0295
19:01-20:00, Mon., 07 Mar. 0.0315 0.0274 0.0297
18:01-19:00, Mon., 07 Mar. 0.0339 0.0286 0.0304
17:01-18:00, Mon., 07 Mar. 0.0357 0.0302 0.0323
16:01-17:00, Mon., 07 Mar. 0.0376 0.0328 0.0358
15:01-16:00, Mon., 07 Mar. 0.0409 0.0338 0.0370
14:01-15:00, Mon., 07 Mar. 0.0388 0.0306 0.0330
13:01-14:00, Mon., 07 Mar. 0.0372 0.0317 0.0348
12:01-13:00, Mon., 07 Mar. 0.0417 0.0350 0.0382
11:01-12:00, Mon., 07 Mar. 0.0441 0.0355 0.0378
10:01-11:00, Mon., 07 Mar. 0.0432 0.0367 0.0396
09:01-10:00, Mon., 07 Mar. 0.0441 0.0371 0.0410
08:01-09:00, Mon., 07 Mar. 0.0441 0.0370 0.0411
07:01-08:00, Mon., 07 Mar. 0.0421 0.0356 0.0391
06:01-07:00, Mon., 07 Mar. 0.0369 0.0315 0.0347
05:01-06:00, Mon., 07 Mar. 0.0342 0.0297 0.0322
04:01-05:00, Mon., 07 Mar. 0.0351 0.0295 0.0319
03:01-04:00, Mon., 07 Mar. 0.0335 0.0288 0.0313
02:01-03:00, Mon., 07 Mar. 0.0317 0.0281 0.0299
01:01-02:00, Mon., 07 Mar. 0.0321 0.0270 0.0301
00:01-01:00, Mon., 07 Mar. 0.0328 0.0274 0.0300