Measurement results by the hour (Chofu) 28 Sep., 2015 - 4 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., 04 Oct. 0.0321 0.0286 0.0303
22:01-23:00, Sun., 04 Oct. 0.0314 0.0284 0.0299
21:01-22:00, Sun., 04 Oct. 0.0320 0.0283 0.0299
20:01-21:00, Sun., 04 Oct. 0.0320 0.0277 0.0299
19:01-20:00, Sun., 04 Oct. 0.0321 0.0275 0.0299
18:01-19:00, Sun., 04 Oct. 0.0323 0.0287 0.0303
17:01-18:00, Sun., 04 Oct. 0.0327 0.0275 0.0303
16:01-17:00, Sun., 04 Oct. 0.0325 0.0268 0.0300
15:01-16:00, Sun., 04 Oct. 0.0325 0.0280 0.0301
14:01-15:00, Sun., 04 Oct. 0.0319 0.0283 0.0300
13:01-14:00, Sun., 04 Oct. 0.0321 0.0284 0.0298
12:01-13:00, Sun., 04 Oct. 0.0316 0.0289 0.0301
11:01-12:00, Sun., 04 Oct. 0.0320 0.0282 0.0301
10:01-11:00, Sun., 04 Oct. 0.0323 0.0278 0.0302
09:01-10:00, Sun., 04 Oct. 0.0324 0.0282 0.0303
08:01-09:00, Sun., 04 Oct. 0.0327 0.0283 0.0307
07:01-08:00, Sun., 04 Oct. 0.0337 0.0298 0.0315
06:01-07:00, Sun., 04 Oct. 0.0338 0.0297 0.0318
05:01-06:00, Sun., 04 Oct. 0.0332 0.0293 0.0313
04:01-05:00, Sun., 04 Oct. 0.0323 0.0285 0.0306
03:01-04:00, Sun., 04 Oct. 0.0325 0.0285 0.0306
02:01-03:00, Sun., 04 Oct. 0.0326 0.0296 0.0310
01:01-02:00, Sun., 04 Oct. 0.0329 0.0291 0.0308
00:01-01:00, Sun., 04 Oct. 0.0328 0.0291 0.0307
23:01-24:00, Sat., 03 Oct. 0.0323 0.0282 0.0305
22:01-23:00, Sat., 03 Oct. 0.0331 0.0289 0.0309
21:01-22:00, Sat., 03 Oct. 0.0321 0.0285 0.0305
20:01-21:00, Sat., 03 Oct. 0.0323 0.0285 0.0304
19:01-20:00, Sat., 03 Oct. 0.0321 0.0281 0.0300
18:01-19:00, Sat., 03 Oct. 0.0321 0.0287 0.0300
17:01-18:00, Sat., 03 Oct. 0.0316 0.0280 0.0299
16:01-17:00, Sat., 03 Oct. 0.0315 0.0283 0.0298
15:01-16:00, Sat., 03 Oct. 0.0327 0.0284 0.0301
14:01-15:00, Sat., 03 Oct. 0.0324 0.0283 0.0301
13:01-14:00, Sat., 03 Oct. 0.0317 0.0273 0.0297
12:01-13:00, Sat., 03 Oct. 0.0326 0.0279 0.0300
11:01-12:00, Sat., 03 Oct. 0.0319 0.0283 0.0300
10:01-11:00, Sat., 03 Oct. 0.0321 0.0279 0.0301
09:01-10:00, Sat., 03 Oct. 0.0329 0.0284 0.0303
08:01-09:00, Sat., 03 Oct. 0.0327 0.0290 0.0305
07:01-08:00, Sat., 03 Oct. 0.0331 0.0287 0.0307
06:01-07:00, Sat., 03 Oct. 0.0324 0.0283 0.0304
05:01-06:00, Sat., 03 Oct. 0.0336 0.0280 0.0303
04:01-05:00, Sat., 03 Oct. 0.0316 0.0281 0.0298
03:01-04:00, Sat., 03 Oct. 0.0323 0.0287 0.0302
02:01-03:00, Sat., 03 Oct. 0.0315 0.0273 0.0296
01:01-02:00, Sat., 03 Oct. 0.0318 0.0277 0.0298
00:01-01:00, Sat., 03 Oct. 0.0321 0.0283 0.0300
23:01-24:00, Fri., 02 Oct. 0.0320 0.0277 0.0297
22:01-23:00, Fri., 02 Oct. 0.0320 0.0282 0.0297
21:01-22:00, Fri., 02 Oct. 0.0316 0.0282 0.0300
20:01-21:00, Fri., 02 Oct. 0.0320 0.0274 0.0301
19:01-20:00, Fri., 02 Oct. 0.0320 0.0282 0.0300
18:01-19:00, Fri., 02 Oct. 0.0324 0.0281 0.0300
17:01-18:00, Fri., 02 Oct. 0.0318 0.0285 0.0299
16:01-17:00, Fri., 02 Oct. 0.0324 0.0283 0.0303
15:01-16:00, Fri., 02 Oct. 0.0318 0.0280 0.0302
14:01-15:00, Fri., 02 Oct. 0.0317 0.0281 0.0300
13:01-14:00, Fri., 02 Oct. 0.0319 0.0288 0.0304
12:01-13:00, Fri., 02 Oct. 0.0318 0.0287 0.0301
11:01-12:00, Fri., 02 Oct. 0.0325 0.0279 0.0302
10:01-11:00, Fri., 02 Oct. 0.0322 0.0285 0.0302
09:01-10:00, Fri., 02 Oct. 0.0343 0.0296 0.0317
08:01-09:00, Fri., 02 Oct. 0.0430 0.0319 0.0363
07:01-08:00, Fri., 02 Oct. 0.0627 0.0414 0.0514
06:01-07:00, Fri., 02 Oct. 0.0736 0.0551 0.0640
05:01-06:00, Fri., 02 Oct. 0.0671 0.0522 0.0576
04:01-05:00, Fri., 02 Oct. 0.0534 0.0292 0.0376
03:01-04:00, Fri., 02 Oct. 0.0326 0.0284 0.0306
02:01-03:00, Fri., 02 Oct. 0.0326 0.0283 0.0308
01:01-02:00, Fri., 02 Oct. 0.0355 0.0296 0.0325
00:01-01:00, Fri., 02 Oct. 0.0345 0.0280 0.0316
23:01-24:00, Thu., 01 Oct. 0.0311 0.0279 0.0297
22:01-23:00, Thu., 01 Oct. 0.0311 0.0281 0.0295
21:01-22:00, Thu., 01 Oct. 0.0315 0.0282 0.0298
20:01-21:00, Thu., 01 Oct. 0.0324 0.0286 0.0307
19:01-20:00, Thu., 01 Oct. 0.0361 0.0293 0.0335
18:01-19:00, Thu., 01 Oct. 0.0416 0.0351 0.0382
17:01-18:00, Thu., 01 Oct. 0.0429 0.0364 0.0392
16:01-17:00, Thu., 01 Oct. 0.0430 0.0350 0.0388
15:01-16:00, Thu., 01 Oct. 0.0356 0.0309 0.0328
14:01-15:00, Thu., 01 Oct. 0.0349 0.0304 0.0329
13:01-14:00, Thu., 01 Oct. 0.0365 0.0322 0.0346
12:01-13:00, Thu., 01 Oct. 0.0336 0.0292 0.0314
11:01-12:00, Thu., 01 Oct. 0.0323 0.0291 0.0308
10:01-11:00, Thu., 01 Oct. 0.0330 0.0284 0.0308
09:01-10:00, Thu., 01 Oct. 0.0332 0.0292 0.0312
08:01-09:00, Thu., 01 Oct. 0.0334 0.0297 0.0315
07:01-08:00, Thu., 01 Oct. 0.0332 0.0298 0.0315
06:01-07:00, Thu., 01 Oct. 0.0335 0.0296 0.0317
05:01-06:00, Thu., 01 Oct. 0.0335 0.0300 0.0313
04:01-05:00, Thu., 01 Oct. 0.0335 0.0289 0.0318
03:01-04:00, Thu., 01 Oct. 0.0346 0.0291 0.0313
02:01-03:00, Thu., 01 Oct. 0.0334 0.0289 0.0312
01:01-02:00, Thu., 01 Oct. 0.0331 0.0285 0.0312
00:01-01:00, Thu., 01 Oct. 0.0334 0.0294 0.0314
23:01-24:00, Wed., 30 Sep. 0.0332 0.0297 0.0313
22:01-23:00, Wed., 30 Sep. 0.0330 0.0287 0.0307
21:01-22:00, Wed., 30 Sep. 0.0320 0.0281 0.0304
20:01-21:00, Wed., 30 Sep. 0.0321 0.0281 0.0301
19:01-20:00, Wed., 30 Sep. 0.0327 0.0282 0.0304
18:01-19:00, Wed., 30 Sep. 0.0319 0.0284 0.0301
17:01-18:00, Wed., 30 Sep. 0.0315 0.0281 0.0301
16:01-17:00, Wed., 30 Sep. 0.0320 0.0280 0.0301
15:01-16:00, Wed., 30 Sep. 0.0311 0.0281 0.0299
14:01-15:00, Wed., 30 Sep. 0.0322 0.0277 0.0302
13:01-14:00, Wed., 30 Sep. 0.0316 0.0282 0.0298
12:01-13:00, Wed., 30 Sep. 0.0314 0.0282 0.0300
11:01-12:00, Wed., 30 Sep. 0.0316 0.0285 0.0299
10:01-11:00, Wed., 30 Sep. 0.0330 0.0276 0.0302
09:01-10:00, Wed., 30 Sep. 0.0325 0.0280 0.0304
08:01-09:00, Wed., 30 Sep. 0.0324 0.0283 0.0302
07:01-08:00, Wed., 30 Sep. 0.0321 0.0284 0.0303
06:01-07:00, Wed., 30 Sep. 0.0322 0.0288 0.0305
05:01-06:00, Wed., 30 Sep. 0.0326 0.0283 0.0304
04:01-05:00, Wed., 30 Sep. 0.0329 0.0281 0.0304
03:01-04:00, Wed., 30 Sep. 0.0326 0.0288 0.0305
02:01-03:00, Wed., 30 Sep. 0.0328 0.0288 0.0307
01:01-02:00, Wed., 30 Sep. 0.0322 0.0291 0.0307
00:01-01:00, Wed., 30 Sep. 0.0330 0.0290 0.0308
23:01-24:00, Tue., 29 Sep. 0.0321 0.0285 0.0303
22:01-23:00, Tue., 29 Sep. 0.0331 0.0286 0.0304
21:01-22:00, Tue., 29 Sep. 0.0323 0.0282 0.0304
20:01-21:00, Tue., 29 Sep. 0.0324 0.0283 0.0303
19:01-20:00, Tue., 29 Sep. 0.0324 0.0280 0.0303
18:01-19:00, Tue., 29 Sep. 0.0325 0.0281 0.0303
17:01-18:00, Tue., 29 Sep. 0.0325 0.0279 0.0304
16:01-17:00, Tue., 29 Sep. 0.0320 0.0280 0.0303
15:01-16:00, Tue., 29 Sep. 0.0330 0.0283 0.0303
14:01-15:00, Tue., 29 Sep. 0.0325 0.0285 0.0306
13:01-14:00, Tue., 29 Sep. 0.0326 0.0280 0.0303
12:01-13:00, Tue., 29 Sep. 0.0320 0.0280 0.0304
11:01-12:00, Tue., 29 Sep. 0.0324 0.0277 0.0304
10:01-11:00, Tue., 29 Sep. 0.0325 0.0282 0.0304
09:01-10:00, Tue., 29 Sep. 0.0322 0.0291 0.0305
08:01-09:00, Tue., 29 Sep. 0.0324 0.0276 0.0302
07:01-08:00, Tue., 29 Sep. 0.0322 0.0290 0.0304
06:01-07:00, Tue., 29 Sep. 0.0331 0.0287 0.0304
05:01-06:00, Tue., 29 Sep. 0.0329 0.0285 0.0303
04:01-05:00, Tue., 29 Sep. 0.0326 0.0281 0.0300
03:01-04:00, Tue., 29 Sep. 0.0323 0.0281 0.0302
02:01-03:00, Tue., 29 Sep. 0.0324 0.0281 0.0303
01:01-02:00, Tue., 29 Sep. 0.0318 0.0287 0.0302
00:01-01:00, Tue., 29 Sep. 0.0320 0.0282 0.0301
23:01-24:00, Mon., 28 Sep. 0.0323 0.0282 0.0298
22:01-23:00, Mon., 28 Sep. 0.0317 0.0276 0.0297
21:01-22:00, Mon., 28 Sep. 0.0316 0.0274 0.0298
20:01-21:00, Mon., 28 Sep. 0.0316 0.0273 0.0297
19:01-20:00, Mon., 28 Sep. 0.0313 0.0273 0.0296
18:01-19:00, Mon., 28 Sep. 0.0314 0.0281 0.0295
17:01-18:00, Mon., 28 Sep. 0.0323 0.0273 0.0297
16:01-17:00, Mon., 28 Sep. 0.0317 0.0275 0.0296
15:01-16:00, Mon., 28 Sep. 0.0314 0.0279 0.0294
14:01-15:00, Mon., 28 Sep. 0.0322 0.0278 0.0296
13:01-14:00, Mon., 28 Sep. 0.0313 0.0280 0.0296
12:01-13:00, Mon., 28 Sep. 0.0320 0.0282 0.0298
11:01-12:00, Mon., 28 Sep. 0.0316 0.0276 0.0297
10:01-11:00, Mon., 28 Sep. 0.0311 0.0277 0.0297
09:01-10:00, Mon., 28 Sep. 0.0323 0.0282 0.0303
08:01-09:00, Mon., 28 Sep. 0.0336 0.0289 0.0307
07:01-08:00, Mon., 28 Sep. 0.0325 0.0290 0.0306
06:01-07:00, Mon., 28 Sep. 0.0320 0.0289 0.0305
05:01-06:00, Mon., 28 Sep. 0.0331 0.0290 0.0309
04:01-05:00, Mon., 28 Sep. 0.0329 0.0288 0.0310
03:01-04:00, Mon., 28 Sep. 0.0331 0.0286 0.0312
02:01-03:00, Mon., 28 Sep. 0.0322 0.0289 0.0308
01:01-02:00, Mon., 28 Sep. 0.0323 0.0271 0.0302
00:01-01:00, Mon., 28 Sep. 0.0317 0.0281 0.0299