Measurement results by the hour (Chofu) 11 Apr., 2016 - 17 Apr., 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., 17 Apr. 0.0308 0.0268 0.0290
22:01-23:00, Sun., 17 Apr. 0.0315 0.0272 0.0291
21:01-22:00, Sun., 17 Apr. 0.0308 0.0272 0.0289
20:01-21:00, Sun., 17 Apr. 0.0312 0.0270 0.0289
19:01-20:00, Sun., 17 Apr. 0.0309 0.0274 0.0289
18:01-19:00, Sun., 17 Apr. 0.0308 0.0251 0.0285
17:01-18:00, Sun., 17 Apr. 0.0301 0.0266 0.0286
16:01-17:00, Sun., 17 Apr. 0.0304 0.0273 0.0289
15:01-16:00, Sun., 17 Apr. 0.0315 0.0273 0.0294
14:01-15:00, Sun., 17 Apr. 0.0348 0.0288 0.0315
13:01-14:00, Sun., 17 Apr. 0.0372 0.0325 0.0349
12:01-13:00, Sun., 17 Apr. 0.0392 0.0339 0.0356
11:01-12:00, Sun., 17 Apr. 0.0358 0.0297 0.0330
10:01-11:00, Sun., 17 Apr. 0.0338 0.0289 0.0314
09:01-10:00, Sun., 17 Apr. 0.0313 0.0271 0.0295
08:01-09:00, Sun., 17 Apr. 0.0315 0.0272 0.0295
07:01-08:00, Sun., 17 Apr. 0.0314 0.0283 0.0295
06:01-07:00, Sun., 17 Apr. 0.0310 0.0274 0.0291
05:01-06:00, Sun., 17 Apr. 0.0310 0.0270 0.0290
04:01-05:00, Sun., 17 Apr. 0.0313 0.0274 0.0290
03:01-04:00, Sun., 17 Apr. 0.0317 0.0272 0.0292
02:01-03:00, Sun., 17 Apr. 0.0311 0.0271 0.0293
01:01-02:00, Sun., 17 Apr. 0.0332 0.0277 0.0292
00:01-01:00, Sun., 17 Apr. 0.0316 0.0273 0.0293
23:01-24:00, Sat., 16 Apr. 0.0315 0.0270 0.0294
22:01-23:00, Sat., 16 Apr. 0.0317 0.0274 0.0293
21:01-22:00, Sat., 16 Apr. 0.0314 0.0271 0.0290
20:01-21:00, Sat., 16 Apr. 0.0331 0.0269 0.0293
19:01-20:00, Sat., 16 Apr. 0.0314 0.0273 0.0291
18:01-19:00, Sat., 16 Apr. 0.0311 0.0277 0.0294
17:01-18:00, Sat., 16 Apr. 0.0315 0.0271 0.0291
16:01-17:00, Sat., 16 Apr. 0.0310 0.0272 0.0294
15:01-16:00, Sat., 16 Apr. 0.0313 0.0271 0.0292
14:01-15:00, Sat., 16 Apr. 0.0311 0.0270 0.0291
13:01-14:00, Sat., 16 Apr. 0.0306 0.0273 0.0292
12:01-13:00, Sat., 16 Apr. 0.0309 0.0261 0.0290
11:01-12:00, Sat., 16 Apr. 0.0315 0.0274 0.0292
10:01-11:00, Sat., 16 Apr. 0.0322 0.0269 0.0292
09:01-10:00, Sat., 16 Apr. 0.0319 0.0277 0.0300
08:01-09:00, Sat., 16 Apr. 0.0328 0.0277 0.0303
07:01-08:00, Sat., 16 Apr. 0.0313 0.0287 0.0302
06:01-07:00, Sat., 16 Apr. 0.0319 0.0283 0.0297
05:01-06:00, Sat., 16 Apr. 0.0316 0.0275 0.0298
04:01-05:00, Sat., 16 Apr. 0.0316 0.0276 0.0296
03:01-04:00, Sat., 16 Apr. 0.0313 0.0276 0.0295
02:01-03:00, Sat., 16 Apr. 0.0319 0.0268 0.0298
01:01-02:00, Sat., 16 Apr. 0.0309 0.0279 0.0294
00:01-01:00, Sat., 16 Apr. 0.0309 0.0272 0.0291
23:01-24:00, Fri., 15 Apr. 0.0310 0.0274 0.0291
22:01-23:00, Fri., 15 Apr. 0.0310 0.0264 0.0291
21:01-22:00, Fri., 15 Apr. 0.0311 0.0271 0.0291
20:01-21:00, Fri., 15 Apr. 0.0324 0.0276 0.0291
19:01-20:00, Fri., 15 Apr. 0.0309 0.0271 0.0290
18:01-19:00, Fri., 15 Apr. 0.0305 0.0265 0.0291
17:01-18:00, Fri., 15 Apr. 0.0311 0.0274 0.0290
16:01-17:00, Fri., 15 Apr. 0.0307 0.0275 0.0292
15:01-16:00, Fri., 15 Apr. 0.0310 0.0272 0.0290
14:01-15:00, Fri., 15 Apr. 0.0308 0.0268 0.0287
13:01-14:00, Fri., 15 Apr. 0.0312 0.0270 0.0291
12:01-13:00, Fri., 15 Apr. 0.0311 0.0276 0.0292
11:01-12:00, Fri., 15 Apr. 0.0314 0.0263 0.0290
10:01-11:00, Fri., 15 Apr. 0.0312 0.0274 0.0291
09:01-10:00, Fri., 15 Apr. 0.0316 0.0279 0.0295
08:01-09:00, Fri., 15 Apr. 0.0314 0.0271 0.0294
07:01-08:00, Fri., 15 Apr. 0.0317 0.0275 0.0294
06:01-07:00, Fri., 15 Apr. 0.0311 0.0274 0.0291
05:01-06:00, Fri., 15 Apr. 0.0312 0.0270 0.0289
04:01-05:00, Fri., 15 Apr. 0.0312 0.0267 0.0292
03:01-04:00, Fri., 15 Apr. 0.0308 0.0270 0.0291
02:01-03:00, Fri., 15 Apr. 0.0307 0.0266 0.0291
01:01-02:00, Fri., 15 Apr. 0.0308 0.0270 0.0287
00:01-01:00, Fri., 15 Apr. 0.0307 0.0274 0.0288
23:01-24:00, Thu., 14 Apr. 0.0314 0.0271 0.0289
22:01-23:00, Thu., 14 Apr. 0.0309 0.0265 0.0288
21:01-22:00, Thu., 14 Apr. 0.0316 0.0278 0.0291
20:01-21:00, Thu., 14 Apr. 0.0306 0.0265 0.0284
19:01-20:00, Thu., 14 Apr. 0.0304 0.0270 0.0288
18:01-19:00, Thu., 14 Apr. 0.0305 0.0267 0.0286
17:01-18:00, Thu., 14 Apr. 0.0312 0.0270 0.0287
16:01-17:00, Thu., 14 Apr. 0.0302 0.0267 0.0285
15:01-16:00, Thu., 14 Apr. 0.0309 0.0269 0.0288
14:01-15:00, Thu., 14 Apr. 0.0306 0.0272 0.0288
13:01-14:00, Thu., 14 Apr. 0.0312 0.0263 0.0290
12:01-13:00, Thu., 14 Apr. 0.0313 0.0278 0.0299
11:01-12:00, Thu., 14 Apr. 0.0313 0.0271 0.0296
10:01-11:00, Thu., 14 Apr. 0.0310 0.0278 0.0294
09:01-10:00, Thu., 14 Apr. 0.0330 0.0288 0.0308
08:01-09:00, Thu., 14 Apr. 0.0346 0.0291 0.0319
07:01-08:00, Thu., 14 Apr. 0.0316 0.0284 0.0298
06:01-07:00, Thu., 14 Apr. 0.0368 0.0299 0.0330
05:01-06:00, Thu., 14 Apr. 0.0456 0.0360 0.0395
04:01-05:00, Thu., 14 Apr. 0.0458 0.0377 0.0419
03:01-04:00, Thu., 14 Apr. 0.0465 0.0389 0.0421
02:01-03:00, Thu., 14 Apr. 0.0424 0.0362 0.0390
01:01-02:00, Thu., 14 Apr. 0.0414 0.0341 0.0366
00:01-01:00, Thu., 14 Apr. 0.0407 0.0331 0.0368
23:01-24:00, Wed., 13 Apr. 0.0355 0.0281 0.0328
22:01-23:00, Wed., 13 Apr. 0.0316 0.0279 0.0300
21:01-22:00, Wed., 13 Apr. 0.0322 0.0277 0.0297
20:01-21:00, Wed., 13 Apr. 0.0317 0.0272 0.0296
19:01-20:00, Wed., 13 Apr. 0.0316 0.0285 0.0299
18:01-19:00, Wed., 13 Apr. 0.0323 0.0280 0.0306
17:01-18:00, Wed., 13 Apr. 0.0310 0.0279 0.0295
16:01-17:00, Wed., 13 Apr. 0.0314 0.0276 0.0292
15:01-16:00, Wed., 13 Apr. 0.0309 0.0269 0.0293
14:01-15:00, Wed., 13 Apr. 0.0316 0.0276 0.0295
13:01-14:00, Wed., 13 Apr. 0.0310 0.0276 0.0292
12:01-13:00, Wed., 13 Apr. 0.0314 0.0276 0.0295
11:01-12:00, Wed., 13 Apr. 0.0320 0.0285 0.0301
10:01-11:00, Wed., 13 Apr. 0.0321 0.0281 0.0306
09:01-10:00, Wed., 13 Apr. 0.0325 0.0289 0.0304
08:01-09:00, Wed., 13 Apr. 0.0321 0.0289 0.0303
07:01-08:00, Wed., 13 Apr. 0.0327 0.0284 0.0304
06:01-07:00, Wed., 13 Apr. 0.0335 0.0286 0.0307
05:01-06:00, Wed., 13 Apr. 0.0323 0.0285 0.0305
04:01-05:00, Wed., 13 Apr. 0.0332 0.0285 0.0302
03:01-04:00, Wed., 13 Apr. 0.0336 0.0283 0.0301
02:01-03:00, Wed., 13 Apr. 0.0321 0.0286 0.0301
01:01-02:00, Wed., 13 Apr. 0.0327 0.0283 0.0302
00:01-01:00, Wed., 13 Apr. 0.0316 0.0280 0.0299
23:01-24:00, Tue., 12 Apr. 0.0318 0.0277 0.0297
22:01-23:00, Tue., 12 Apr. 0.0313 0.0280 0.0296
21:01-22:00, Tue., 12 Apr. 0.0315 0.0273 0.0294
20:01-21:00, Tue., 12 Apr. 0.0311 0.0281 0.0296
19:01-20:00, Tue., 12 Apr. 0.0318 0.0271 0.0294
18:01-19:00, Tue., 12 Apr. 0.0308 0.0275 0.0292
17:01-18:00, Tue., 12 Apr. 0.0321 0.0274 0.0297
16:01-17:00, Tue., 12 Apr. 0.0322 0.0275 0.0295
15:01-16:00, Tue., 12 Apr. 0.0319 0.0274 0.0297
14:01-15:00, Tue., 12 Apr. 0.0314 0.0279 0.0296
13:01-14:00, Tue., 12 Apr. 0.0318 0.0282 0.0298
12:01-13:00, Tue., 12 Apr. 0.0322 0.0275 0.0296
11:01-12:00, Tue., 12 Apr. 0.0314 0.0274 0.0296
10:01-11:00, Tue., 12 Apr. 0.0318 0.0271 0.0299
09:01-10:00, Tue., 12 Apr. 0.0318 0.0275 0.0297
08:01-09:00, Tue., 12 Apr. 0.0326 0.0279 0.0297
07:01-08:00, Tue., 12 Apr. 0.0326 0.0286 0.0303
06:01-07:00, Tue., 12 Apr. 0.0321 0.0280 0.0300
05:01-06:00, Tue., 12 Apr. 0.0326 0.0275 0.0297
04:01-05:00, Tue., 12 Apr. 0.0319 0.0277 0.0298
03:01-04:00, Tue., 12 Apr. 0.0313 0.0273 0.0296
02:01-03:00, Tue., 12 Apr. 0.0324 0.0276 0.0298
01:01-02:00, Tue., 12 Apr. 0.0321 0.0276 0.0297
00:01-01:00, Tue., 12 Apr. 0.0321 0.0276 0.0298
23:01-24:00, Mon., 11 Apr. 0.0319 0.0274 0.0297
22:01-23:00, Mon., 11 Apr. 0.0317 0.0284 0.0301
21:01-22:00, Mon., 11 Apr. 0.0317 0.0282 0.0298
20:01-21:00, Mon., 11 Apr. 0.0316 0.0279 0.0296
19:01-20:00, Mon., 11 Apr. 0.0319 0.0276 0.0294
18:01-19:00, Mon., 11 Apr. 0.0321 0.0279 0.0297
17:01-18:00, Mon., 11 Apr. 0.0318 0.0275 0.0292
16:01-17:00, Mon., 11 Apr. 0.0324 0.0279 0.0296
15:01-16:00, Mon., 11 Apr. 0.0314 0.0271 0.0296
14:01-15:00, Mon., 11 Apr. 0.0312 0.0277 0.0295
13:01-14:00, Mon., 11 Apr. 0.0311 0.0278 0.0297
12:01-13:00, Mon., 11 Apr. 0.0321 0.0274 0.0297
11:01-12:00, Mon., 11 Apr. 0.0320 0.0274 0.0297
10:01-11:00, Mon., 11 Apr. 0.0321 0.0279 0.0298
09:01-10:00, Mon., 11 Apr. 0.0319 0.0279 0.0298
08:01-09:00, Mon., 11 Apr. 0.0318 0.0277 0.0297
07:01-08:00, Mon., 11 Apr. 0.0326 0.0278 0.0296
06:01-07:00, Mon., 11 Apr. 0.0323 0.0277 0.0296
05:01-06:00, Mon., 11 Apr. 0.0310 0.0279 0.0294
04:01-05:00, Mon., 11 Apr. 0.0314 0.0275 0.0295
03:01-04:00, Mon., 11 Apr. 0.0311 0.0275 0.0295
02:01-03:00, Mon., 11 Apr. 0.0315 0.0277 0.0293
01:01-02:00, Mon., 11 Apr. 0.0316 0.0276 0.0292
00:01-01:00, Mon., 11 Apr. 0.0307 0.0274 0.0293