Measurement results by the hour (Chofu) 8 Jan., 2018 - 14 Jan., 2018

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., 14 Jan. 0.0313 0.0276 0.0296
22:01-23:00, Sun., 14 Jan. 0.0314 0.0276 0.0293
21:01-22:00, Sun., 14 Jan. 0.0304 0.0267 0.0289
20:01-21:00, Sun., 14 Jan. 0.0315 0.0270 0.0291
19:01-20:00, Sun., 14 Jan. 0.0316 0.0263 0.0285
18:01-19:00, Sun., 14 Jan. 0.0301 0.0266 0.0283
17:01-18:00, Sun., 14 Jan. 0.0306 0.0264 0.0280
16:01-17:00, Sun., 14 Jan. 0.0306 0.0257 0.0285
15:01-16:00, Sun., 14 Jan. 0.0303 0.0262 0.0285
14:01-15:00, Sun., 14 Jan. 0.0305 0.0265 0.0285
13:01-14:00, Sun., 14 Jan. 0.0315 0.0267 0.0288
12:01-13:00, Sun., 14 Jan. 0.0308 0.0265 0.0286
11:01-12:00, Sun., 14 Jan. 0.0305 0.0271 0.0286
10:01-11:00, Sun., 14 Jan. 0.0310 0.0266 0.0288
09:01-10:00, Sun., 14 Jan. 0.0309 0.0271 0.0289
08:01-09:00, Sun., 14 Jan. 0.0315 0.0276 0.0296
07:01-08:00, Sun., 14 Jan. 0.0314 0.0279 0.0292
06:01-07:00, Sun., 14 Jan. 0.0321 0.0270 0.0293
05:01-06:00, Sun., 14 Jan. 0.0310 0.0276 0.0292
04:01-05:00, Sun., 14 Jan. 0.0309 0.0270 0.0291
03:01-04:00, Sun., 14 Jan. 0.0310 0.0276 0.0293
02:01-03:00, Sun., 14 Jan. 0.0311 0.0270 0.0294
01:01-02:00, Sun., 14 Jan. 0.0314 0.0267 0.0292
00:01-01:00, Sun., 14 Jan. 0.0315 0.0276 0.0295
23:01-24:00, Sat., 13 Jan. 0.0320 0.0276 0.0295
22:01-23:00, Sat., 13 Jan. 0.0320 0.0282 0.0298
21:01-22:00, Sat., 13 Jan. 0.0326 0.0270 0.0300
20:01-21:00, Sat., 13 Jan. 0.0317 0.0276 0.0298
19:01-20:00, Sat., 13 Jan. 0.0309 0.0274 0.0294
18:01-19:00, Sat., 13 Jan. 0.0312 0.0278 0.0296
17:01-18:00, Sat., 13 Jan. 0.0312 0.0279 0.0295
16:01-17:00, Sat., 13 Jan. 0.0314 0.0276 0.0295
15:01-16:00, Sat., 13 Jan. 0.0315 0.0280 0.0294
14:01-15:00, Sat., 13 Jan. 0.0317 0.0279 0.0297
13:01-14:00, Sat., 13 Jan. 0.0320 0.0284 0.0299
12:01-13:00, Sat., 13 Jan. 0.0321 0.0275 0.0300
11:01-12:00, Sat., 13 Jan. 0.0323 0.0290 0.0304
10:01-11:00, Sat., 13 Jan. 0.0326 0.0286 0.0309
09:01-10:00, Sat., 13 Jan. 0.0328 0.0283 0.0307
08:01-09:00, Sat., 13 Jan. 0.0340 0.0292 0.0313
07:01-08:00, Sat., 13 Jan. 0.0335 0.0297 0.0312
06:01-07:00, Sat., 13 Jan. 0.0333 0.0290 0.0311
05:01-06:00, Sat., 13 Jan. 0.0323 0.0289 0.0307
04:01-05:00, Sat., 13 Jan. 0.0341 0.0284 0.0308
03:01-04:00, Sat., 13 Jan. 0.0325 0.0284 0.0305
02:01-03:00, Sat., 13 Jan. 0.0320 0.0287 0.0305
01:01-02:00, Sat., 13 Jan. 0.0321 0.0278 0.0302
00:01-01:00, Sat., 13 Jan. 0.0325 0.0280 0.0302
23:01-24:00, Fri., 12 Jan. 0.0318 0.0283 0.0302
22:01-23:00, Fri., 12 Jan. 0.0326 0.0276 0.0299
21:01-22:00, Fri., 12 Jan. 0.0316 0.0278 0.0299
20:01-21:00, Fri., 12 Jan. 0.0316 0.0277 0.0296
19:01-20:00, Fri., 12 Jan. 0.0316 0.0274 0.0296
18:01-19:00, Fri., 12 Jan. 0.0312 0.0277 0.0295
17:01-18:00, Fri., 12 Jan. 0.0316 0.0273 0.0294
16:01-17:00, Fri., 12 Jan. 0.0315 0.0272 0.0292
15:01-16:00, Fri., 12 Jan. 0.0313 0.0278 0.0294
14:01-15:00, Fri., 12 Jan. 0.0319 0.0273 0.0297
13:01-14:00, Fri., 12 Jan. 0.0319 0.0274 0.0297
12:01-13:00, Fri., 12 Jan. 0.0324 0.0271 0.0296
11:01-12:00, Fri., 12 Jan. 0.0329 0.0282 0.0298
10:01-11:00, Fri., 12 Jan. 0.0316 0.0280 0.0298
09:01-10:00, Fri., 12 Jan. 0.0323 0.0283 0.0303
08:01-09:00, Fri., 12 Jan. 0.0329 0.0290 0.0310
07:01-08:00, Fri., 12 Jan. 0.0334 0.0287 0.0310
06:01-07:00, Fri., 12 Jan. 0.0324 0.0275 0.0305
05:01-06:00, Fri., 12 Jan. 0.0323 0.0289 0.0306
04:01-05:00, Fri., 12 Jan. 0.0324 0.0284 0.0304
03:01-04:00, Fri., 12 Jan. 0.0319 0.0281 0.0301
02:01-03:00, Fri., 12 Jan. 0.0321 0.0279 0.0298
01:01-02:00, Fri., 12 Jan. 0.0321 0.0276 0.0299
00:01-01:00, Fri., 12 Jan. 0.0316 0.0271 0.0297
23:01-24:00, Thu., 11 Jan. 0.0316 0.0274 0.0297
22:01-23:00, Thu., 11 Jan. 0.0316 0.0274 0.0296
21:01-22:00, Thu., 11 Jan. 0.0320 0.0261 0.0294
20:01-21:00, Thu., 11 Jan. 0.0313 0.0274 0.0293
19:01-20:00, Thu., 11 Jan. 0.0317 0.0271 0.0292
18:01-19:00, Thu., 11 Jan. 0.0311 0.0271 0.0291
17:01-18:00, Thu., 11 Jan. 0.0318 0.0267 0.0294
16:01-17:00, Thu., 11 Jan. 0.0325 0.0276 0.0297
15:01-16:00, Thu., 11 Jan. 0.0308 0.0271 0.0291
14:01-15:00, Thu., 11 Jan. 0.0315 0.0275 0.0295
13:01-14:00, Thu., 11 Jan. 0.0311 0.0273 0.0293
12:01-13:00, Thu., 11 Jan. 0.0325 0.0279 0.0297
11:01-12:00, Thu., 11 Jan. 0.0314 0.0274 0.0297
10:01-11:00, Thu., 11 Jan. 0.0324 0.0282 0.0302
09:01-10:00, Thu., 11 Jan. 0.0322 0.0286 0.0305
08:01-09:00, Thu., 11 Jan. 0.0337 0.0295 0.0309
07:01-08:00, Thu., 11 Jan. 0.0324 0.0282 0.0306
06:01-07:00, Thu., 11 Jan. 0.0325 0.0284 0.0304
05:01-06:00, Thu., 11 Jan. 0.0322 0.0277 0.0303
04:01-05:00, Thu., 11 Jan. 0.0318 0.0279 0.0298
03:01-04:00, Thu., 11 Jan. 0.0321 0.0283 0.0298
02:01-03:00, Thu., 11 Jan. 0.0315 0.0275 0.0297
01:01-02:00, Thu., 11 Jan. 0.0321 0.0274 0.0298
00:01-01:00, Thu., 11 Jan. 0.0310 0.0273 0.0294
23:01-24:00, Wed., 10 Jan. 0.0318 0.0276 0.0292
22:01-23:00, Wed., 10 Jan. 0.0317 0.0274 0.0293
21:01-22:00, Wed., 10 Jan. 0.0319 0.0278 0.0292
20:01-21:00, Wed., 10 Jan. 0.0315 0.0273 0.0291
19:01-20:00, Wed., 10 Jan. 0.0311 0.0267 0.0290
18:01-19:00, Wed., 10 Jan. 0.0309 0.0274 0.0292
17:01-18:00, Wed., 10 Jan. 0.0314 0.0273 0.0293
16:01-17:00, Wed., 10 Jan. 0.0312 0.0271 0.0294
15:01-16:00, Wed., 10 Jan. 0.0309 0.0276 0.0294
14:01-15:00, Wed., 10 Jan. 0.0309 0.0268 0.0293
13:01-14:00, Wed., 10 Jan. 0.0314 0.0276 0.0294
12:01-13:00, Wed., 10 Jan. 0.0313 0.0270 0.0294
11:01-12:00, Wed., 10 Jan. 0.0369 0.0269 0.0297
10:01-11:00, Wed., 10 Jan. 0.0313 0.0277 0.0293
09:01-10:00, Wed., 10 Jan. 0.0312 0.0274 0.0294
08:01-09:00, Wed., 10 Jan. 0.0319 0.0277 0.0295
07:01-08:00, Wed., 10 Jan. 0.0330 0.0275 0.0294
06:01-07:00, Wed., 10 Jan. 0.0316 0.0280 0.0298
05:01-06:00, Wed., 10 Jan. 0.0314 0.0274 0.0294
04:01-05:00, Wed., 10 Jan. 0.0322 0.0280 0.0298
03:01-04:00, Wed., 10 Jan. 0.0319 0.0272 0.0292
02:01-03:00, Wed., 10 Jan. 0.0318 0.0279 0.0295
01:01-02:00, Wed., 10 Jan. 0.0315 0.0272 0.0295
00:01-01:00, Wed., 10 Jan. 0.0314 0.0275 0.0296
23:01-24:00, Tue., 09 Jan. 0.0319 0.0272 0.0293
22:01-23:00, Tue., 09 Jan. 0.0315 0.0280 0.0296
21:01-22:00, Tue., 09 Jan. 0.0312 0.0273 0.0293
20:01-21:00, Tue., 09 Jan. 0.0314 0.0280 0.0294
19:01-20:00, Tue., 09 Jan. 0.0314 0.0275 0.0293
18:01-19:00, Tue., 09 Jan. 0.0316 0.0274 0.0293
17:01-18:00, Tue., 09 Jan. 0.0317 0.0263 0.0294
16:01-17:00, Tue., 09 Jan. 0.0313 0.0273 0.0291
15:01-16:00, Tue., 09 Jan. 0.0307 0.0272 0.0291
14:01-15:00, Tue., 09 Jan. 0.0311 0.0272 0.0289
13:01-14:00, Tue., 09 Jan. 0.0313 0.0272 0.0292
12:01-13:00, Tue., 09 Jan. 0.0329 0.0284 0.0304
11:01-12:00, Tue., 09 Jan. 0.0329 0.0287 0.0306
10:01-11:00, Tue., 09 Jan. 0.0325 0.0285 0.0305
09:01-10:00, Tue., 09 Jan. 0.0327 0.0276 0.0304
08:01-09:00, Tue., 09 Jan. 0.0327 0.0281 0.0303
07:01-08:00, Tue., 09 Jan. 0.0322 0.0279 0.0303
06:01-07:00, Tue., 09 Jan. 0.0328 0.0283 0.0303
05:01-06:00, Tue., 09 Jan. 0.0331 0.0283 0.0305
04:01-05:00, Tue., 09 Jan. 0.0343 0.0302 0.0321
03:01-04:00, Tue., 09 Jan. 0.0356 0.0313 0.0336
02:01-03:00, Tue., 09 Jan. 0.0353 0.0311 0.0337
01:01-02:00, Tue., 09 Jan. 0.0354 0.0310 0.0335
00:01-01:00, Tue., 09 Jan. 0.0361 0.0312 0.0340
23:01-24:00, Mon., 08 Jan. 0.0395 0.0332 0.0360
22:01-23:00, Mon., 08 Jan. 0.0404 0.0349 0.0374
21:01-22:00, Mon., 08 Jan. 0.0417 0.0354 0.0375
20:01-21:00, Mon., 08 Jan. 0.0412 0.0348 0.0376
19:01-20:00, Mon., 08 Jan. 0.0369 0.0330 0.0353
18:01-19:00, Mon., 08 Jan. 0.0367 0.0326 0.0349
17:01-18:00, Mon., 08 Jan. 0.0373 0.0316 0.0348
16:01-17:00, Mon., 08 Jan. 0.0340 0.0286 0.0314
15:01-16:00, Mon., 08 Jan. 0.0337 0.0285 0.0303
14:01-15:00, Mon., 08 Jan. 0.0338 0.0287 0.0310
13:01-14:00, Mon., 08 Jan. 0.0343 0.0283 0.0315
12:01-13:00, Mon., 08 Jan. 0.0323 0.0284 0.0304
11:01-12:00, Mon., 08 Jan. 0.0331 0.0293 0.0307
10:01-11:00, Mon., 08 Jan. 0.0329 0.0289 0.0308
09:01-10:00, Mon., 08 Jan. 0.0330 0.0287 0.0310
08:01-09:00, Mon., 08 Jan. 0.0326 0.0284 0.0306
07:01-08:00, Mon., 08 Jan. 0.0330 0.0294 0.0308
06:01-07:00, Mon., 08 Jan. 0.0325 0.0279 0.0301
05:01-06:00, Mon., 08 Jan. 0.0313 0.0279 0.0298
04:01-05:00, Mon., 08 Jan. 0.0324 0.0284 0.0300
03:01-04:00, Mon., 08 Jan. 0.0314 0.0274 0.0294
02:01-03:00, Mon., 08 Jan. 0.0321 0.0281 0.0296
01:01-02:00, Mon., 08 Jan. 0.0321 0.0276 0.0295
00:01-01:00, Mon., 08 Jan. 0.0315 0.0277 0.0296