Measurement results by the hour (Chofu) 31 Aug., 2015 - 6 Sep., 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., 06 Sep. 0.0502 0.0395 0.0431
22:01-23:00, Sun., 06 Sep. 0.0459 0.0386 0.0417
21:01-22:00, Sun., 06 Sep. 0.0456 0.0382 0.0424
20:01-21:00, Sun., 06 Sep. 0.0449 0.0366 0.0399
19:01-20:00, Sun., 06 Sep. 0.0407 0.0320 0.0353
18:01-19:00, Sun., 06 Sep. 0.0375 0.0336 0.0357
17:01-18:00, Sun., 06 Sep. 0.0382 0.0330 0.0353
16:01-17:00, Sun., 06 Sep. 0.0386 0.0334 0.0357
15:01-16:00, Sun., 06 Sep. 0.0384 0.0286 0.0329
14:01-15:00, Sun., 06 Sep. 0.0320 0.0281 0.0301
13:01-14:00, Sun., 06 Sep. 0.0328 0.0289 0.0304
12:01-13:00, Sun., 06 Sep. 0.0326 0.0279 0.0302
11:01-12:00, Sun., 06 Sep. 0.0329 0.0286 0.0305
10:01-11:00, Sun., 06 Sep. 0.0331 0.0286 0.0305
09:01-10:00, Sun., 06 Sep. 0.0339 0.0286 0.0306
08:01-09:00, Sun., 06 Sep. 0.0326 0.0289 0.0305
07:01-08:00, Sun., 06 Sep. 0.0328 0.0282 0.0305
06:01-07:00, Sun., 06 Sep. 0.0326 0.0289 0.0308
05:01-06:00, Sun., 06 Sep. 0.0325 0.0280 0.0305
04:01-05:00, Sun., 06 Sep. 0.0322 0.0271 0.0305
03:01-04:00, Sun., 06 Sep. 0.0319 0.0278 0.0303
02:01-03:00, Sun., 06 Sep. 0.0325 0.0280 0.0302
01:01-02:00, Sun., 06 Sep. 0.0322 0.0285 0.0302
00:01-01:00, Sun., 06 Sep. 0.0321 0.0287 0.0303
23:01-24:00, Sat., 05 Sep. 0.0320 0.0280 0.0299
22:01-23:00, Sat., 05 Sep. 0.0320 0.0282 0.0300
21:01-22:00, Sat., 05 Sep. 0.0323 0.0285 0.0301
20:01-21:00, Sat., 05 Sep. 0.0324 0.0274 0.0301
19:01-20:00, Sat., 05 Sep. 0.0320 0.0289 0.0302
18:01-19:00, Sat., 05 Sep. 0.0320 0.0276 0.0298
17:01-18:00, Sat., 05 Sep. 0.0320 0.0276 0.0300
16:01-17:00, Sat., 05 Sep. 0.0314 0.0273 0.0298
15:01-16:00, Sat., 05 Sep. 0.0321 0.0279 0.0300
14:01-15:00, Sat., 05 Sep. 0.0315 0.0277 0.0299
13:01-14:00, Sat., 05 Sep. 0.0321 0.0273 0.0301
12:01-13:00, Sat., 05 Sep. 0.0318 0.0284 0.0302
11:01-12:00, Sat., 05 Sep. 0.0320 0.0284 0.0302
10:01-11:00, Sat., 05 Sep. 0.0323 0.0283 0.0301
09:01-10:00, Sat., 05 Sep. 0.0330 0.0284 0.0306
08:01-09:00, Sat., 05 Sep. 0.0329 0.0293 0.0311
07:01-08:00, Sat., 05 Sep. 0.0330 0.0281 0.0307
06:01-07:00, Sat., 05 Sep. 0.0323 0.0284 0.0306
05:01-06:00, Sat., 05 Sep. 0.0325 0.0283 0.0302
04:01-05:00, Sat., 05 Sep. 0.0318 0.0285 0.0303
03:01-04:00, Sat., 05 Sep. 0.0324 0.0282 0.0302
02:01-03:00, Sat., 05 Sep. 0.0324 0.0283 0.0302
01:01-02:00, Sat., 05 Sep. 0.0329 0.0284 0.0304
00:01-01:00, Sat., 05 Sep. 0.0324 0.0288 0.0302
23:01-24:00, Fri., 04 Sep. 0.0315 0.0285 0.0303
22:01-23:00, Fri., 04 Sep. 0.0335 0.0290 0.0309
21:01-22:00, Fri., 04 Sep. 0.0331 0.0294 0.0313
20:01-21:00, Fri., 04 Sep. 0.0336 0.0283 0.0303
19:01-20:00, Fri., 04 Sep. 0.0324 0.0283 0.0299
18:01-19:00, Fri., 04 Sep. 0.0322 0.0280 0.0300
17:01-18:00, Fri., 04 Sep. 0.0325 0.0284 0.0300
16:01-17:00, Fri., 04 Sep. 0.0317 0.0281 0.0299
15:01-16:00, Fri., 04 Sep. 0.0316 0.0280 0.0295
14:01-15:00, Fri., 04 Sep. 0.0312 0.0279 0.0296
13:01-14:00, Fri., 04 Sep. 0.0322 0.0275 0.0297
12:01-13:00, Fri., 04 Sep. 0.0315 0.0278 0.0299
11:01-12:00, Fri., 04 Sep. 0.0329 0.0279 0.0301
10:01-11:00, Fri., 04 Sep. 0.0318 0.0280 0.0299
09:01-10:00, Fri., 04 Sep. 0.0324 0.0278 0.0300
08:01-09:00, Fri., 04 Sep. 0.0326 0.0274 0.0299
07:01-08:00, Fri., 04 Sep. 0.0326 0.0274 0.0302
06:01-07:00, Fri., 04 Sep. 0.0329 0.0277 0.0302
05:01-06:00, Fri., 04 Sep. 0.0321 0.0269 0.0296
04:01-05:00, Fri., 04 Sep. 0.0319 0.0277 0.0296
03:01-04:00, Fri., 04 Sep. 0.0365 0.0289 0.0327
02:01-03:00, Fri., 04 Sep. 0.0402 0.0339 0.0368
01:01-02:00, Fri., 04 Sep. 0.0404 0.0341 0.0370
00:01-01:00, Fri., 04 Sep. 0.0380 0.0316 0.0348
23:01-24:00, Thu., 03 Sep. 0.0352 0.0306 0.0327
22:01-23:00, Thu., 03 Sep. 0.0325 0.0278 0.0305
21:01-22:00, Thu., 03 Sep. 0.0316 0.0273 0.0293
20:01-21:00, Thu., 03 Sep. 0.0317 0.0280 0.0299
19:01-20:00, Thu., 03 Sep. 0.0327 0.0285 0.0307
18:01-19:00, Thu., 03 Sep. 0.0333 0.0292 0.0314
17:01-18:00, Thu., 03 Sep. 0.0348 0.0293 0.0318
16:01-17:00, Thu., 03 Sep. 0.0320 0.0287 0.0304
15:01-16:00, Thu., 03 Sep. 0.0330 0.0282 0.0306
14:01-15:00, Thu., 03 Sep. 0.0320 0.0283 0.0302
13:01-14:00, Thu., 03 Sep. 0.0316 0.0282 0.0297
12:01-13:00, Thu., 03 Sep. 0.0322 0.0276 0.0300
11:01-12:00, Thu., 03 Sep. 0.0312 0.0282 0.0299
10:01-11:00, Thu., 03 Sep. 0.0320 0.0282 0.0298
09:01-10:00, Thu., 03 Sep. 0.0320 0.0278 0.0301
08:01-09:00, Thu., 03 Sep. 0.0321 0.0280 0.0300
07:01-08:00, Thu., 03 Sep. 0.0313 0.0279 0.0297
06:01-07:00, Thu., 03 Sep. 0.0316 0.0270 0.0296
05:01-06:00, Thu., 03 Sep. 0.0313 0.0278 0.0299
04:01-05:00, Thu., 03 Sep. 0.0324 0.0277 0.0301
03:01-04:00, Thu., 03 Sep. 0.0313 0.0281 0.0298
02:01-03:00, Thu., 03 Sep. 0.0316 0.0277 0.0298
01:01-02:00, Thu., 03 Sep. 0.0313 0.0277 0.0295
00:01-01:00, Thu., 03 Sep. 0.0318 0.0279 0.0299
23:01-24:00, Wed., 02 Sep. 0.0320 0.0281 0.0298
22:01-23:00, Wed., 02 Sep. 0.0316 0.0277 0.0295
21:01-22:00, Wed., 02 Sep. 0.0317 0.0275 0.0295
20:01-21:00, Wed., 02 Sep. 0.0317 0.0273 0.0295
19:01-20:00, Wed., 02 Sep. 0.0317 0.0275 0.0299
18:01-19:00, Wed., 02 Sep. 0.0310 0.0277 0.0294
17:01-18:00, Wed., 02 Sep. 0.0312 0.0280 0.0295
16:01-17:00, Wed., 02 Sep. 0.0311 0.0273 0.0292
15:01-16:00, Wed., 02 Sep. 0.0313 0.0271 0.0291
14:01-15:00, Wed., 02 Sep. 0.0312 0.0272 0.0289
13:01-14:00, Wed., 02 Sep. 0.0310 0.0265 0.0289
12:01-13:00, Wed., 02 Sep. 0.0324 0.0282 0.0295
11:01-12:00, Wed., 02 Sep. 0.0328 0.0277 0.0307
10:01-11:00, Wed., 02 Sep. 0.0399 0.0308 0.0354
09:01-10:00, Wed., 02 Sep. 0.0399 0.0294 0.0345
08:01-09:00, Wed., 02 Sep. 0.0372 0.0296 0.0335
07:01-08:00, Wed., 02 Sep. 0.0392 0.0319 0.0355
06:01-07:00, Wed., 02 Sep. 0.0351 0.0277 0.0303
05:01-06:00, Wed., 02 Sep. 0.0305 0.0273 0.0290
04:01-05:00, Wed., 02 Sep. 0.0308 0.0273 0.0292
03:01-04:00, Wed., 02 Sep. 0.0311 0.0276 0.0298
02:01-03:00, Wed., 02 Sep. 0.0338 0.0289 0.0312
01:01-02:00, Wed., 02 Sep. 0.0354 0.0287 0.0315
00:01-01:00, Wed., 02 Sep. 0.0312 0.0265 0.0291
23:01-24:00, Tue., 01 Sep. 0.0308 0.0275 0.0289
22:01-23:00, Tue., 01 Sep. 0.0322 0.0275 0.0298
21:01-22:00, Tue., 01 Sep. 0.0319 0.0262 0.0300
20:01-21:00, Tue., 01 Sep. 0.0327 0.0279 0.0301
19:01-20:00, Tue., 01 Sep. 0.0317 0.0271 0.0295
18:01-19:00, Tue., 01 Sep. 0.0339 0.0286 0.0313
17:01-18:00, Tue., 01 Sep. 0.0350 0.0280 0.0307
16:01-17:00, Tue., 01 Sep. 0.0312 0.0272 0.0291
15:01-16:00, Tue., 01 Sep. 0.0303 0.0263 0.0286
14:01-15:00, Tue., 01 Sep. 0.0313 0.0265 0.0292
13:01-14:00, Tue., 01 Sep. 0.0325 0.0281 0.0298
12:01-13:00, Tue., 01 Sep. 0.0342 0.0294 0.0318
11:01-12:00, Tue., 01 Sep. 0.0357 0.0310 0.0336
10:01-11:00, Tue., 01 Sep. 0.0334 0.0294 0.0314
09:01-10:00, Tue., 01 Sep. 0.0335 0.0291 0.0313
08:01-09:00, Tue., 01 Sep. 0.0327 0.0285 0.0308
07:01-08:00, Tue., 01 Sep. 0.0325 0.0282 0.0300
06:01-07:00, Tue., 01 Sep. 0.0324 0.0280 0.0297
05:01-06:00, Tue., 01 Sep. 0.0316 0.0270 0.0294
04:01-05:00, Tue., 01 Sep. 0.0313 0.0273 0.0294
03:01-04:00, Tue., 01 Sep. 0.0315 0.0277 0.0298
02:01-03:00, Tue., 01 Sep. 0.0334 0.0289 0.0308
01:01-02:00, Tue., 01 Sep. 0.0342 0.0298 0.0316
00:01-01:00, Tue., 01 Sep. 0.0338 0.0299 0.0313
23:01-24:00, Mon., 31 Aug. 0.0329 0.0274 0.0305
22:01-23:00, Mon., 31 Aug. 0.0310 0.0279 0.0294
21:01-22:00, Mon., 31 Aug. 0.0322 0.0276 0.0298
20:01-21:00, Mon., 31 Aug. 0.0314 0.0280 0.0296
19:01-20:00, Mon., 31 Aug. 0.0314 0.0278 0.0297
18:01-19:00, Mon., 31 Aug. 0.0317 0.0268 0.0296
17:01-18:00, Mon., 31 Aug. 0.0317 0.0281 0.0296
16:01-17:00, Mon., 31 Aug. 0.0314 0.0276 0.0297
15:01-16:00, Mon., 31 Aug. 0.0312 0.0265 0.0292
14:01-15:00, Mon., 31 Aug. 0.0315 0.0277 0.0293
13:01-14:00, Mon., 31 Aug. 0.0313 0.0270 0.0293
12:01-13:00, Mon., 31 Aug. 0.0316 0.0273 0.0294
11:01-12:00, Mon., 31 Aug. 0.0316 0.0276 0.0294
10:01-11:00, Mon., 31 Aug. 0.0313 0.0279 0.0299
09:01-10:00, Mon., 31 Aug. 0.0314 0.0282 0.0300
08:01-09:00, Mon., 31 Aug. 0.0325 0.0278 0.0301
07:01-08:00, Mon., 31 Aug. 0.0336 0.0289 0.0309
06:01-07:00, Mon., 31 Aug. 0.0347 0.0299 0.0325
05:01-06:00, Mon., 31 Aug. 0.0350 0.0290 0.0318
04:01-05:00, Mon., 31 Aug. 0.0327 0.0293 0.0310
03:01-04:00, Mon., 31 Aug. 0.0354 0.0301 0.0329
02:01-03:00, Mon., 31 Aug. 0.0367 0.0331 0.0352
01:01-02:00, Mon., 31 Aug. 0.0360 0.0278 0.0318
00:01-01:00, Mon., 31 Aug. 0.0316 0.0277 0.0294