Measurement results by the hour (Chofu) 26 Dec., 2016 - 1 Jan., 2017

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., 01 Jan. 0.0329 0.0287 0.0309
22:01-23:00, Sun., 01 Jan. 0.0323 0.0291 0.0308
21:01-22:00, Sun., 01 Jan. 0.0322 0.0282 0.0303
20:01-21:00, Sun., 01 Jan. 0.0318 0.0279 0.0299
19:01-20:00, Sun., 01 Jan. 0.0315 0.0277 0.0297
18:01-19:00, Sun., 01 Jan. 0.0310 0.0278 0.0296
17:01-18:00, Sun., 01 Jan. 0.0316 0.0282 0.0299
16:01-17:00, Sun., 01 Jan. 0.0312 0.0277 0.0295
15:01-16:00, Sun., 01 Jan. 0.0313 0.0274 0.0294
14:01-15:00, Sun., 01 Jan. 0.0315 0.0272 0.0294
13:01-14:00, Sun., 01 Jan. 0.0313 0.0278 0.0298
12:01-13:00, Sun., 01 Jan. 0.0318 0.0283 0.0303
11:01-12:00, Sun., 01 Jan. 0.0317 0.0282 0.0300
10:01-11:00, Sun., 01 Jan. 0.0316 0.0280 0.0300
09:01-10:00, Sun., 01 Jan. 0.0340 0.0283 0.0313
08:01-09:00, Sun., 01 Jan. 0.0340 0.0304 0.0322
07:01-08:00, Sun., 01 Jan. 0.0345 0.0304 0.0322
06:01-07:00, Sun., 01 Jan. 0.0350 0.0307 0.0324
05:01-06:00, Sun., 01 Jan. 0.0350 0.0296 0.0321
04:01-05:00, Sun., 01 Jan. 0.0345 0.0297 0.0322
03:01-04:00, Sun., 01 Jan. 0.0341 0.0303 0.0321
02:01-03:00, Sun., 01 Jan. 0.0336 0.0295 0.0317
01:01-02:00, Sun., 01 Jan. 0.0326 0.0288 0.0312
00:01-01:00, Sun., 01 Jan. 0.0326 0.0286 0.0308
23:01-24:00, Sat., 31 Dec. 0.0338 0.0290 0.0315
22:01-23:00, Sat., 31 Dec. 0.0335 0.0292 0.0312
21:01-22:00, Sat., 31 Dec. 0.0323 0.0279 0.0303
20:01-21:00, Sat., 31 Dec. 0.0317 0.0274 0.0298
19:01-20:00, Sat., 31 Dec. 0.0323 0.0281 0.0298
18:01-19:00, Sat., 31 Dec. 0.0315 0.0275 0.0296
17:01-18:00, Sat., 31 Dec. 0.0316 0.0273 0.0293
16:01-17:00, Sat., 31 Dec. 0.0312 0.0276 0.0294
15:01-16:00, Sat., 31 Dec. 0.0310 0.0271 0.0294
14:01-15:00, Sat., 31 Dec. 0.0318 0.0277 0.0294
13:01-14:00, Sat., 31 Dec. 0.0323 0.0281 0.0300
12:01-13:00, Sat., 31 Dec. 0.0325 0.0281 0.0299
11:01-12:00, Sat., 31 Dec. 0.0321 0.0286 0.0305
10:01-11:00, Sat., 31 Dec. 0.0332 0.0289 0.0310
09:01-10:00, Sat., 31 Dec. 0.0329 0.0295 0.0313
08:01-09:00, Sat., 31 Dec. 0.0325 0.0290 0.0309
07:01-08:00, Sat., 31 Dec. 0.0335 0.0281 0.0308
06:01-07:00, Sat., 31 Dec. 0.0322 0.0294 0.0307
05:01-06:00, Sat., 31 Dec. 0.0335 0.0286 0.0307
04:01-05:00, Sat., 31 Dec. 0.0333 0.0290 0.0315
03:01-04:00, Sat., 31 Dec. 0.0336 0.0295 0.0322
02:01-03:00, Sat., 31 Dec. 0.0338 0.0302 0.0320
01:01-02:00, Sat., 31 Dec. 0.0332 0.0299 0.0316
00:01-01:00, Sat., 31 Dec. 0.0337 0.0294 0.0311
23:01-24:00, Fri., 30 Dec. 0.0324 0.0285 0.0307
22:01-23:00, Fri., 30 Dec. 0.0320 0.0277 0.0299
21:01-22:00, Fri., 30 Dec. 0.0319 0.0275 0.0296
20:01-21:00, Fri., 30 Dec. 0.0313 0.0276 0.0293
19:01-20:00, Fri., 30 Dec. 0.0317 0.0276 0.0295
18:01-19:00, Fri., 30 Dec. 0.0311 0.0277 0.0295
17:01-18:00, Fri., 30 Dec. 0.0314 0.0277 0.0293
16:01-17:00, Fri., 30 Dec. 0.0308 0.0270 0.0294
15:01-16:00, Fri., 30 Dec. 0.0316 0.0278 0.0294
14:01-15:00, Fri., 30 Dec. 0.0319 0.0274 0.0296
13:01-14:00, Fri., 30 Dec. 0.0323 0.0280 0.0301
12:01-13:00, Fri., 30 Dec. 0.0321 0.0277 0.0299
11:01-12:00, Fri., 30 Dec. 0.0317 0.0284 0.0302
10:01-11:00, Fri., 30 Dec. 0.0323 0.0291 0.0305
09:01-10:00, Fri., 30 Dec. 0.0320 0.0287 0.0304
08:01-09:00, Fri., 30 Dec. 0.0324 0.0288 0.0307
07:01-08:00, Fri., 30 Dec. 0.0320 0.0290 0.0307
06:01-07:00, Fri., 30 Dec. 0.0320 0.0291 0.0304
05:01-06:00, Fri., 30 Dec. 0.0326 0.0285 0.0306
04:01-05:00, Fri., 30 Dec. 0.0331 0.0285 0.0309
03:01-04:00, Fri., 30 Dec. 0.0329 0.0288 0.0308
02:01-03:00, Fri., 30 Dec. 0.0326 0.0291 0.0310
01:01-02:00, Fri., 30 Dec. 0.0335 0.0293 0.0312
00:01-01:00, Fri., 30 Dec. 0.0333 0.0290 0.0310
23:01-24:00, Thu., 29 Dec. 0.0329 0.0288 0.0310
22:01-23:00, Thu., 29 Dec. 0.0326 0.0286 0.0306
21:01-22:00, Thu., 29 Dec. 0.0325 0.0283 0.0306
20:01-21:00, Thu., 29 Dec. 0.0331 0.0289 0.0308
19:01-20:00, Thu., 29 Dec. 0.0325 0.0286 0.0305
18:01-19:00, Thu., 29 Dec. 0.0327 0.0279 0.0306
17:01-18:00, Thu., 29 Dec. 0.0325 0.0284 0.0303
16:01-17:00, Thu., 29 Dec. 0.0323 0.0281 0.0302
15:01-16:00, Thu., 29 Dec. 0.0317 0.0286 0.0302
14:01-15:00, Thu., 29 Dec. 0.0337 0.0280 0.0302
13:01-14:00, Thu., 29 Dec. 0.0316 0.0289 0.0302
12:01-13:00, Thu., 29 Dec. 0.0323 0.0282 0.0301
11:01-12:00, Thu., 29 Dec. 0.0323 0.0274 0.0300
10:01-11:00, Thu., 29 Dec. 0.0330 0.0276 0.0301
09:01-10:00, Thu., 29 Dec. 0.0324 0.0286 0.0306
08:01-09:00, Thu., 29 Dec. 0.0326 0.0282 0.0309
07:01-08:00, Thu., 29 Dec. 0.0327 0.0291 0.0308
06:01-07:00, Thu., 29 Dec. 0.0322 0.0286 0.0304
05:01-06:00, Thu., 29 Dec. 0.0322 0.0285 0.0303
04:01-05:00, Thu., 29 Dec. 0.0331 0.0286 0.0308
03:01-04:00, Thu., 29 Dec. 0.0332 0.0298 0.0312
02:01-03:00, Thu., 29 Dec. 0.0325 0.0285 0.0305
01:01-02:00, Thu., 29 Dec. 0.0315 0.0285 0.0299
00:01-01:00, Thu., 29 Dec. 0.0314 0.0275 0.0294
23:01-24:00, Wed., 28 Dec. 0.0330 0.0275 0.0293
22:01-23:00, Wed., 28 Dec. 0.0308 0.0269 0.0289
21:01-22:00, Wed., 28 Dec. 0.0310 0.0269 0.0289
20:01-21:00, Wed., 28 Dec. 0.0310 0.0274 0.0290
19:01-20:00, Wed., 28 Dec. 0.0327 0.0275 0.0291
18:01-19:00, Wed., 28 Dec. 0.0305 0.0262 0.0287
17:01-18:00, Wed., 28 Dec. 0.0309 0.0273 0.0290
16:01-17:00, Wed., 28 Dec. 0.0307 0.0272 0.0289
15:01-16:00, Wed., 28 Dec. 0.0320 0.0274 0.0293
14:01-15:00, Wed., 28 Dec. 0.0309 0.0266 0.0291
13:01-14:00, Wed., 28 Dec. 0.0319 0.0275 0.0296
12:01-13:00, Wed., 28 Dec. 0.0313 0.0276 0.0295
11:01-12:00, Wed., 28 Dec. 0.0316 0.0281 0.0298
10:01-11:00, Wed., 28 Dec. 0.0334 0.0282 0.0300
09:01-10:00, Wed., 28 Dec. 0.0318 0.0281 0.0301
08:01-09:00, Wed., 28 Dec. 0.0322 0.0277 0.0298
07:01-08:00, Wed., 28 Dec. 0.0329 0.0287 0.0304
06:01-07:00, Wed., 28 Dec. 0.0328 0.0287 0.0307
05:01-06:00, Wed., 28 Dec. 0.0330 0.0288 0.0308
04:01-05:00, Wed., 28 Dec. 0.0334 0.0286 0.0308
03:01-04:00, Wed., 28 Dec. 0.0324 0.0285 0.0305
02:01-03:00, Wed., 28 Dec. 0.0324 0.0283 0.0303
01:01-02:00, Wed., 28 Dec. 0.0328 0.0282 0.0305
00:01-01:00, Wed., 28 Dec. 0.0331 0.0285 0.0308
23:01-24:00, Tue., 27 Dec. 0.0370 0.0299 0.0334
22:01-23:00, Tue., 27 Dec. 0.0533 0.0346 0.0422
21:01-22:00, Tue., 27 Dec. 0.0886 0.0513 0.0676
20:01-21:00, Tue., 27 Dec. 0.0951 0.0417 0.0728
19:01-20:00, Tue., 27 Dec. 0.0432 0.0286 0.0324
18:01-19:00, Tue., 27 Dec. 0.0314 0.0275 0.0297
17:01-18:00, Tue., 27 Dec. 0.0318 0.0283 0.0298
16:01-17:00, Tue., 27 Dec. 0.0319 0.0267 0.0297
15:01-16:00, Tue., 27 Dec. 0.0327 0.0285 0.0308
14:01-15:00, Tue., 27 Dec. 0.0393 0.0313 0.0349
13:01-14:00, Tue., 27 Dec. 0.0478 0.0377 0.0422
12:01-13:00, Tue., 27 Dec. 0.0443 0.0352 0.0392
11:01-12:00, Tue., 27 Dec. 0.0505 0.0420 0.0466
10:01-11:00, Tue., 27 Dec. 0.0467 0.0323 0.0396
09:01-10:00, Tue., 27 Dec. 0.0338 0.0285 0.0308
08:01-09:00, Tue., 27 Dec. 0.0323 0.0276 0.0298
07:01-08:00, Tue., 27 Dec. 0.0309 0.0271 0.0291
06:01-07:00, Tue., 27 Dec. 0.0320 0.0272 0.0292
05:01-06:00, Tue., 27 Dec. 0.0315 0.0271 0.0292
04:01-05:00, Tue., 27 Dec. 0.0319 0.0274 0.0294
03:01-04:00, Tue., 27 Dec. 0.0326 0.0271 0.0297
02:01-03:00, Tue., 27 Dec. 0.0321 0.0275 0.0302
01:01-02:00, Tue., 27 Dec. 0.0338 0.0296 0.0317
00:01-01:00, Tue., 27 Dec. 0.0342 0.0295 0.0318
23:01-24:00, Mon., 26 Dec. 0.0339 0.0296 0.0318
22:01-23:00, Mon., 26 Dec. 0.0339 0.0288 0.0315
21:01-22:00, Mon., 26 Dec. 0.0329 0.0292 0.0310
20:01-21:00, Mon., 26 Dec. 0.0334 0.0288 0.0306
19:01-20:00, Mon., 26 Dec. 0.0328 0.0286 0.0306
18:01-19:00, Mon., 26 Dec. 0.0322 0.0290 0.0305
17:01-18:00, Mon., 26 Dec. 0.0329 0.0281 0.0305
16:01-17:00, Mon., 26 Dec. 0.0333 0.0293 0.0308
15:01-16:00, Mon., 26 Dec. 0.0327 0.0290 0.0309
14:01-15:00, Mon., 26 Dec. 0.0326 0.0291 0.0310
13:01-14:00, Mon., 26 Dec. 0.0333 0.0288 0.0307
12:01-13:00, Mon., 26 Dec. 0.0331 0.0290 0.0308
11:01-12:00, Mon., 26 Dec. 0.0328 0.0283 0.0311
10:01-11:00, Mon., 26 Dec. 0.0338 0.0300 0.0315
09:01-10:00, Mon., 26 Dec. 0.0334 0.0288 0.0316
08:01-09:00, Mon., 26 Dec. 0.0342 0.0298 0.0316
07:01-08:00, Mon., 26 Dec. 0.0331 0.0296 0.0313
06:01-07:00, Mon., 26 Dec. 0.0331 0.0297 0.0313
05:01-06:00, Mon., 26 Dec. 0.0344 0.0297 0.0317
04:01-05:00, Mon., 26 Dec. 0.0335 0.0294 0.0313
03:01-04:00, Mon., 26 Dec. 0.0341 0.0294 0.0313
02:01-03:00, Mon., 26 Dec. 0.0334 0.0300 0.0316
01:01-02:00, Mon., 26 Dec. 0.0333 0.0297 0.0316
00:01-01:00, Mon., 26 Dec. 0.0333 0.0299 0.0316