Measurement results by the hour (Chofu) 17 Aug., 2015 - 23 Aug., 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., 23 Aug. 0.0319 0.0270 0.0296
22:01-23:00, Sun., 23 Aug. 0.0316 0.0278 0.0294
21:01-22:00, Sun., 23 Aug. 0.0317 0.0272 0.0295
20:01-21:00, Sun., 23 Aug. 0.0317 0.0281 0.0299
19:01-20:00, Sun., 23 Aug. 0.0325 0.0286 0.0305
18:01-19:00, Sun., 23 Aug. 0.0353 0.0294 0.0322
17:01-18:00, Sun., 23 Aug. 0.0355 0.0303 0.0331
16:01-17:00, Sun., 23 Aug. 0.0323 0.0286 0.0307
15:01-16:00, Sun., 23 Aug. 0.0336 0.0284 0.0309
14:01-15:00, Sun., 23 Aug. 0.0347 0.0297 0.0321
13:01-14:00, Sun., 23 Aug. 0.0343 0.0281 0.0314
12:01-13:00, Sun., 23 Aug. 0.0324 0.0285 0.0303
11:01-12:00, Sun., 23 Aug. 0.0322 0.0278 0.0302
10:01-11:00, Sun., 23 Aug. 0.0326 0.0287 0.0304
09:01-10:00, Sun., 23 Aug. 0.0332 0.0286 0.0311
08:01-09:00, Sun., 23 Aug. 0.0343 0.0295 0.0319
07:01-08:00, Sun., 23 Aug. 0.0330 0.0285 0.0309
06:01-07:00, Sun., 23 Aug. 0.0324 0.0281 0.0304
05:01-06:00, Sun., 23 Aug. 0.0328 0.0287 0.0303
04:01-05:00, Sun., 23 Aug. 0.0321 0.0283 0.0300
03:01-04:00, Sun., 23 Aug. 0.0320 0.0283 0.0301
02:01-03:00, Sun., 23 Aug. 0.0314 0.0275 0.0296
01:01-02:00, Sun., 23 Aug. 0.0315 0.0279 0.0295
00:01-01:00, Sun., 23 Aug. 0.0319 0.0276 0.0293
23:01-24:00, Sat., 22 Aug. 0.0311 0.0277 0.0293
22:01-23:00, Sat., 22 Aug. 0.0313 0.0273 0.0292
21:01-22:00, Sat., 22 Aug. 0.0316 0.0276 0.0293
20:01-21:00, Sat., 22 Aug. 0.0313 0.0272 0.0293
19:01-20:00, Sat., 22 Aug. 0.0317 0.0268 0.0292
18:01-19:00, Sat., 22 Aug. 0.0312 0.0279 0.0294
17:01-18:00, Sat., 22 Aug. 0.0308 0.0268 0.0290
16:01-17:00, Sat., 22 Aug. 0.0314 0.0269 0.0294
15:01-16:00, Sat., 22 Aug. 0.0305 0.0276 0.0290
14:01-15:00, Sat., 22 Aug. 0.0317 0.0271 0.0293
13:01-14:00, Sat., 22 Aug. 0.0312 0.0272 0.0290
12:01-13:00, Sat., 22 Aug. 0.0306 0.0274 0.0292
11:01-12:00, Sat., 22 Aug. 0.0309 0.0273 0.0292
10:01-11:00, Sat., 22 Aug. 0.0308 0.0272 0.0289
09:01-10:00, Sat., 22 Aug. 0.0318 0.0274 0.0296
08:01-09:00, Sat., 22 Aug. 0.0320 0.0272 0.0294
07:01-08:00, Sat., 22 Aug. 0.0321 0.0278 0.0300
06:01-07:00, Sat., 22 Aug. 0.0323 0.0275 0.0299
05:01-06:00, Sat., 22 Aug. 0.0312 0.0275 0.0298
04:01-05:00, Sat., 22 Aug. 0.0321 0.0282 0.0303
03:01-04:00, Sat., 22 Aug. 0.0322 0.0283 0.0302
02:01-03:00, Sat., 22 Aug. 0.0321 0.0282 0.0301
01:01-02:00, Sat., 22 Aug. 0.0323 0.0283 0.0298
00:01-01:00, Sat., 22 Aug. 0.0306 0.0274 0.0291
23:01-24:00, Fri., 21 Aug. 0.0310 0.0272 0.0290
22:01-23:00, Fri., 21 Aug. 0.0316 0.0263 0.0294
21:01-22:00, Fri., 21 Aug. 0.0312 0.0276 0.0294
20:01-21:00, Fri., 21 Aug. 0.0308 0.0274 0.0293
19:01-20:00, Fri., 21 Aug. 0.0317 0.0284 0.0298
18:01-19:00, Fri., 21 Aug. 0.0319 0.0275 0.0296
17:01-18:00, Fri., 21 Aug. 0.0313 0.0276 0.0296
16:01-17:00, Fri., 21 Aug. 0.0327 0.0286 0.0306
15:01-16:00, Fri., 21 Aug. 0.0369 0.0305 0.0337
14:01-15:00, Fri., 21 Aug. 0.0370 0.0288 0.0322
13:01-14:00, Fri., 21 Aug. 0.0336 0.0279 0.0305
12:01-13:00, Fri., 21 Aug. 0.0317 0.0274 0.0297
11:01-12:00, Fri., 21 Aug. 0.0311 0.0275 0.0293
10:01-11:00, Fri., 21 Aug. 0.0310 0.0273 0.0294
09:01-10:00, Fri., 21 Aug. 0.0308 0.0277 0.0295
08:01-09:00, Fri., 21 Aug. 0.0312 0.0272 0.0294
07:01-08:00, Fri., 21 Aug. 0.0314 0.0278 0.0297
06:01-07:00, Fri., 21 Aug. 0.0324 0.0279 0.0298
05:01-06:00, Fri., 21 Aug. 0.0321 0.0278 0.0297
04:01-05:00, Fri., 21 Aug. 0.0317 0.0281 0.0295
03:01-04:00, Fri., 21 Aug. 0.0315 0.0273 0.0295
02:01-03:00, Fri., 21 Aug. 0.0310 0.0276 0.0295
01:01-02:00, Fri., 21 Aug. 0.0316 0.0275 0.0297
00:01-01:00, Fri., 21 Aug. 0.0316 0.0274 0.0295
23:01-24:00, Thu., 20 Aug. 0.0311 0.0274 0.0295
22:01-23:00, Thu., 20 Aug. 0.0311 0.0278 0.0294
21:01-22:00, Thu., 20 Aug. 0.0318 0.0275 0.0296
20:01-21:00, Thu., 20 Aug. 0.0326 0.0283 0.0304
19:01-20:00, Thu., 20 Aug. 0.0333 0.0287 0.0312
18:01-19:00, Thu., 20 Aug. 0.0314 0.0281 0.0298
17:01-18:00, Thu., 20 Aug. 0.0319 0.0272 0.0294
16:01-17:00, Thu., 20 Aug. 0.0318 0.0275 0.0294
15:01-16:00, Thu., 20 Aug. 0.0320 0.0282 0.0296
14:01-15:00, Thu., 20 Aug. 0.0321 0.0277 0.0300
13:01-14:00, Thu., 20 Aug. 0.0324 0.0279 0.0300
12:01-13:00, Thu., 20 Aug. 0.0317 0.0285 0.0302
11:01-12:00, Thu., 20 Aug. 0.0334 0.0291 0.0312
10:01-11:00, Thu., 20 Aug. 0.0369 0.0318 0.0335
09:01-10:00, Thu., 20 Aug. 0.0365 0.0315 0.0341
08:01-09:00, Thu., 20 Aug. 0.0451 0.0337 0.0368
07:01-08:00, Thu., 20 Aug. 0.0608 0.0402 0.0496
06:01-07:00, Thu., 20 Aug. 0.0704 0.0519 0.0621
05:01-06:00, Thu., 20 Aug. 0.0546 0.0295 0.0388
04:01-05:00, Thu., 20 Aug. 0.0327 0.0280 0.0306
03:01-04:00, Thu., 20 Aug. 0.0319 0.0278 0.0299
02:01-03:00, Thu., 20 Aug. 0.0311 0.0276 0.0298
01:01-02:00, Thu., 20 Aug. 0.0314 0.0281 0.0297
00:01-01:00, Thu., 20 Aug. 0.0313 0.0277 0.0295
23:01-24:00, Wed., 19 Aug. 0.0319 0.0279 0.0298
22:01-23:00, Wed., 19 Aug. 0.0322 0.0277 0.0299
21:01-22:00, Wed., 19 Aug. 0.0323 0.0278 0.0297
20:01-21:00, Wed., 19 Aug. 0.0318 0.0281 0.0297
19:01-20:00, Wed., 19 Aug. 0.0314 0.0278 0.0299
18:01-19:00, Wed., 19 Aug. 0.0317 0.0275 0.0301
17:01-18:00, Wed., 19 Aug. 0.0316 0.0277 0.0296
16:01-17:00, Wed., 19 Aug. 0.0326 0.0283 0.0299
15:01-16:00, Wed., 19 Aug. 0.0316 0.0279 0.0297
14:01-15:00, Wed., 19 Aug. 0.0317 0.0282 0.0295
13:01-14:00, Wed., 19 Aug. 0.0319 0.0276 0.0296
12:01-13:00, Wed., 19 Aug. 0.0318 0.0276 0.0296
11:01-12:00, Wed., 19 Aug. 0.0312 0.0277 0.0295
10:01-11:00, Wed., 19 Aug. 0.0313 0.0276 0.0296
09:01-10:00, Wed., 19 Aug. 0.0317 0.0278 0.0298
08:01-09:00, Wed., 19 Aug. 0.0320 0.0282 0.0299
07:01-08:00, Wed., 19 Aug. 0.0324 0.0285 0.0301
06:01-07:00, Wed., 19 Aug. 0.0314 0.0278 0.0297
05:01-06:00, Wed., 19 Aug. 0.0317 0.0278 0.0299
04:01-05:00, Wed., 19 Aug. 0.0327 0.0281 0.0302
03:01-04:00, Wed., 19 Aug. 0.0317 0.0276 0.0299
02:01-03:00, Wed., 19 Aug. 0.0322 0.0284 0.0302
01:01-02:00, Wed., 19 Aug. 0.0318 0.0283 0.0301
00:01-01:00, Wed., 19 Aug. 0.0312 0.0270 0.0297
23:01-24:00, Tue., 18 Aug. 0.0325 0.0280 0.0298
22:01-23:00, Tue., 18 Aug. 0.0317 0.0281 0.0299
21:01-22:00, Tue., 18 Aug. 0.0316 0.0277 0.0298
20:01-21:00, Tue., 18 Aug. 0.0321 0.0276 0.0296
19:01-20:00, Tue., 18 Aug. 0.0321 0.0280 0.0300
18:01-19:00, Tue., 18 Aug. 0.0316 0.0279 0.0298
17:01-18:00, Tue., 18 Aug. 0.0312 0.0279 0.0297
16:01-17:00, Tue., 18 Aug. 0.0317 0.0277 0.0294
15:01-16:00, Tue., 18 Aug. 0.0320 0.0267 0.0297
14:01-15:00, Tue., 18 Aug. 0.0313 0.0277 0.0294
13:01-14:00, Tue., 18 Aug. 0.0312 0.0277 0.0292
12:01-13:00, Tue., 18 Aug. 0.0311 0.0275 0.0294
11:01-12:00, Tue., 18 Aug. 0.0317 0.0276 0.0292
10:01-11:00, Tue., 18 Aug. 0.0315 0.0274 0.0293
09:01-10:00, Tue., 18 Aug. 0.0311 0.0278 0.0293
08:01-09:00, Tue., 18 Aug. 0.0315 0.0272 0.0295
07:01-08:00, Tue., 18 Aug. 0.0314 0.0271 0.0295
06:01-07:00, Tue., 18 Aug. 0.0310 0.0276 0.0293
05:01-06:00, Tue., 18 Aug. 0.0312 0.0265 0.0290
04:01-05:00, Tue., 18 Aug. 0.0308 0.0267 0.0289
03:01-04:00, Tue., 18 Aug. 0.0308 0.0273 0.0292
02:01-03:00, Tue., 18 Aug. 0.0321 0.0283 0.0298
01:01-02:00, Tue., 18 Aug. 0.0342 0.0288 0.0310
00:01-01:00, Tue., 18 Aug. 0.0334 0.0285 0.0311
23:01-24:00, Mon., 17 Aug. 0.0362 0.0280 0.0338
22:01-23:00, Mon., 17 Aug. 0.0308 0.0272 0.0290
21:01-22:00, Mon., 17 Aug. 0.0307 0.0273 0.0290
20:01-21:00, Mon., 17 Aug. 0.0315 0.0269 0.0288
19:01-20:00, Mon., 17 Aug. 0.0312 0.0267 0.0291
18:01-19:00, Mon., 17 Aug. 0.0328 0.0279 0.0303
17:01-18:00, Mon., 17 Aug. 0.0365 0.0305 0.0333
16:01-17:00, Mon., 17 Aug. 0.0420 0.0319 0.0360
15:01-16:00, Mon., 17 Aug. 0.0422 0.0349 0.0387
14:01-15:00, Mon., 17 Aug. 0.0377 0.0310 0.0345
13:01-14:00, Mon., 17 Aug. 0.0369 0.0290 0.0330
12:01-13:00, Mon., 17 Aug. 0.0313 0.0275 0.0292
11:01-12:00, Mon., 17 Aug. 0.0319 0.0281 0.0301
10:01-11:00, Mon., 17 Aug. 0.0345 0.0292 0.0318
09:01-10:00, Mon., 17 Aug. 0.0399 0.0328 0.0358
08:01-09:00, Mon., 17 Aug. 0.0438 0.0359 0.0382
07:01-08:00, Mon., 17 Aug. 0.0391 0.0351 0.0367
06:01-07:00, Mon., 17 Aug. 0.0388 0.0340 0.0365
05:01-06:00, Mon., 17 Aug. 0.0385 0.0325 0.0354
04:01-05:00, Mon., 17 Aug. 0.0351 0.0304 0.0329
03:01-04:00, Mon., 17 Aug. 0.0328 0.0285 0.0304
02:01-03:00, Mon., 17 Aug. 0.0328 0.0290 0.0311
01:01-02:00, Mon., 17 Aug. 0.0356 0.0291 0.0316
00:01-01:00, Mon., 17 Aug. 0.0503 0.0329 0.0400