Measurement results by the hour (Chofu) 30 Jan., 2017 - 5 Feb., 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., 05 Feb. 0.0326 0.0278 0.0303
22:01-23:00, Sun., 05 Feb. 0.0335 0.0283 0.0302
21:01-22:00, Sun., 05 Feb. 0.0324 0.0281 0.0303
20:01-21:00, Sun., 05 Feb. 0.0327 0.0281 0.0307
19:01-20:00, Sun., 05 Feb. 0.0327 0.0289 0.0306
18:01-19:00, Sun., 05 Feb. 0.0336 0.0287 0.0308
17:01-18:00, Sun., 05 Feb. 0.0338 0.0293 0.0313
16:01-17:00, Sun., 05 Feb. 0.0344 0.0296 0.0318
15:01-16:00, Sun., 05 Feb. 0.0341 0.0283 0.0313
14:01-15:00, Sun., 05 Feb. 0.0334 0.0279 0.0310
13:01-14:00, Sun., 05 Feb. 0.0354 0.0290 0.0325
12:01-13:00, Sun., 05 Feb. 0.0333 0.0294 0.0311
11:01-12:00, Sun., 05 Feb. 0.0334 0.0295 0.0311
10:01-11:00, Sun., 05 Feb. 0.0328 0.0293 0.0310
09:01-10:00, Sun., 05 Feb. 0.0335 0.0295 0.0319
08:01-09:00, Sun., 05 Feb. 0.0343 0.0305 0.0324
07:01-08:00, Sun., 05 Feb. 0.0345 0.0301 0.0320
06:01-07:00, Sun., 05 Feb. 0.0345 0.0293 0.0318
05:01-06:00, Sun., 05 Feb. 0.0332 0.0289 0.0312
04:01-05:00, Sun., 05 Feb. 0.0328 0.0284 0.0309
03:01-04:00, Sun., 05 Feb. 0.0328 0.0288 0.0310
02:01-03:00, Sun., 05 Feb. 0.0326 0.0288 0.0307
01:01-02:00, Sun., 05 Feb. 0.0332 0.0286 0.0307
00:01-01:00, Sun., 05 Feb. 0.0324 0.0279 0.0307
23:01-24:00, Sat., 04 Feb. 0.0330 0.0292 0.0308
22:01-23:00, Sat., 04 Feb. 0.0339 0.0292 0.0311
21:01-22:00, Sat., 04 Feb. 0.0330 0.0273 0.0304
20:01-21:00, Sat., 04 Feb. 0.0321 0.0283 0.0301
19:01-20:00, Sat., 04 Feb. 0.0316 0.0276 0.0297
18:01-19:00, Sat., 04 Feb. 0.0319 0.0275 0.0296
17:01-18:00, Sat., 04 Feb. 0.0317 0.0276 0.0295
16:01-17:00, Sat., 04 Feb. 0.0319 0.0279 0.0295
15:01-16:00, Sat., 04 Feb. 0.0315 0.0280 0.0295
14:01-15:00, Sat., 04 Feb. 0.0315 0.0278 0.0296
13:01-14:00, Sat., 04 Feb. 0.0316 0.0278 0.0296
12:01-13:00, Sat., 04 Feb. 0.0323 0.0279 0.0298
11:01-12:00, Sat., 04 Feb. 0.0316 0.0282 0.0298
10:01-11:00, Sat., 04 Feb. 0.0315 0.0282 0.0299
09:01-10:00, Sat., 04 Feb. 0.0327 0.0282 0.0299
08:01-09:00, Sat., 04 Feb. 0.0314 0.0281 0.0297
07:01-08:00, Sat., 04 Feb. 0.0321 0.0278 0.0301
06:01-07:00, Sat., 04 Feb. 0.0321 0.0283 0.0302
05:01-06:00, Sat., 04 Feb. 0.0323 0.0277 0.0304
04:01-05:00, Sat., 04 Feb. 0.0329 0.0285 0.0307
03:01-04:00, Sat., 04 Feb. 0.0323 0.0272 0.0303
02:01-03:00, Sat., 04 Feb. 0.0323 0.0283 0.0300
01:01-02:00, Sat., 04 Feb. 0.0316 0.0279 0.0299
00:01-01:00, Sat., 04 Feb. 0.0319 0.0280 0.0300
23:01-24:00, Fri., 03 Feb. 0.0319 0.0279 0.0296
22:01-23:00, Fri., 03 Feb. 0.0326 0.0277 0.0299
21:01-22:00, Fri., 03 Feb. 0.0317 0.0282 0.0299
20:01-21:00, Fri., 03 Feb. 0.0316 0.0279 0.0299
19:01-20:00, Fri., 03 Feb. 0.0323 0.0277 0.0299
18:01-19:00, Fri., 03 Feb. 0.0316 0.0278 0.0298
17:01-18:00, Fri., 03 Feb. 0.0313 0.0274 0.0296
16:01-17:00, Fri., 03 Feb. 0.0315 0.0276 0.0296
15:01-16:00, Fri., 03 Feb. 0.0320 0.0282 0.0298
14:01-15:00, Fri., 03 Feb. 0.0314 0.0281 0.0298
13:01-14:00, Fri., 03 Feb. 0.0317 0.0279 0.0297
12:01-13:00, Fri., 03 Feb. 0.0323 0.0281 0.0297
11:01-12:00, Fri., 03 Feb. 0.0323 0.0282 0.0299
10:01-11:00, Fri., 03 Feb. 0.0319 0.0284 0.0303
09:01-10:00, Fri., 03 Feb. 0.0325 0.0271 0.0303
08:01-09:00, Fri., 03 Feb. 0.0316 0.0282 0.0300
07:01-08:00, Fri., 03 Feb. 0.0321 0.0281 0.0302
06:01-07:00, Fri., 03 Feb. 0.0322 0.0285 0.0301
05:01-06:00, Fri., 03 Feb. 0.0326 0.0277 0.0302
04:01-05:00, Fri., 03 Feb. 0.0338 0.0299 0.0315
03:01-04:00, Fri., 03 Feb. 0.0328 0.0295 0.0314
02:01-03:00, Fri., 03 Feb. 0.0331 0.0291 0.0314
01:01-02:00, Fri., 03 Feb. 0.0336 0.0290 0.0309
00:01-01:00, Fri., 03 Feb. 0.0327 0.0279 0.0300
23:01-24:00, Thu., 02 Feb. 0.0318 0.0284 0.0301
22:01-23:00, Thu., 02 Feb. 0.0312 0.0280 0.0298
21:01-22:00, Thu., 02 Feb. 0.0320 0.0272 0.0296
20:01-21:00, Thu., 02 Feb. 0.0320 0.0275 0.0296
19:01-20:00, Thu., 02 Feb. 0.0322 0.0266 0.0297
18:01-19:00, Thu., 02 Feb. 0.0312 0.0276 0.0295
17:01-18:00, Thu., 02 Feb. 0.0316 0.0275 0.0295
16:01-17:00, Thu., 02 Feb. 0.0322 0.0282 0.0300
15:01-16:00, Thu., 02 Feb. 0.0315 0.0279 0.0298
14:01-15:00, Thu., 02 Feb. 0.0326 0.0280 0.0301
13:01-14:00, Thu., 02 Feb. 0.0327 0.0284 0.0303
12:01-13:00, Thu., 02 Feb. 0.0324 0.0280 0.0302
11:01-12:00, Thu., 02 Feb. 0.0330 0.0286 0.0304
10:01-11:00, Thu., 02 Feb. 0.0318 0.0285 0.0304
09:01-10:00, Thu., 02 Feb. 0.0328 0.0284 0.0307
08:01-09:00, Thu., 02 Feb. 0.0327 0.0290 0.0305
07:01-08:00, Thu., 02 Feb. 0.0324 0.0289 0.0305
06:01-07:00, Thu., 02 Feb. 0.0322 0.0281 0.0304
05:01-06:00, Thu., 02 Feb. 0.0319 0.0279 0.0305
04:01-05:00, Thu., 02 Feb. 0.0329 0.0287 0.0304
03:01-04:00, Thu., 02 Feb. 0.0325 0.0284 0.0305
02:01-03:00, Thu., 02 Feb. 0.0329 0.0286 0.0307
01:01-02:00, Thu., 02 Feb. 0.0326 0.0282 0.0309
00:01-01:00, Thu., 02 Feb. 0.0330 0.0280 0.0309
23:01-24:00, Wed., 01 Feb. 0.0333 0.0287 0.0310
22:01-23:00, Wed., 01 Feb. 0.0330 0.0285 0.0307
21:01-22:00, Wed., 01 Feb. 0.0329 0.0281 0.0305
20:01-21:00, Wed., 01 Feb. 0.0326 0.0286 0.0308
19:01-20:00, Wed., 01 Feb. 0.0329 0.0291 0.0308
18:01-19:00, Wed., 01 Feb. 0.0319 0.0285 0.0304
17:01-18:00, Wed., 01 Feb. 0.0331 0.0281 0.0301
16:01-17:00, Wed., 01 Feb. 0.0320 0.0277 0.0299
15:01-16:00, Wed., 01 Feb. 0.0336 0.0283 0.0303
14:01-15:00, Wed., 01 Feb. 0.0329 0.0285 0.0303
13:01-14:00, Wed., 01 Feb. 0.0320 0.0291 0.0303
12:01-13:00, Wed., 01 Feb. 0.0319 0.0284 0.0301
11:01-12:00, Wed., 01 Feb. 0.0327 0.0284 0.0305
10:01-11:00, Wed., 01 Feb. 0.0327 0.0288 0.0306
09:01-10:00, Wed., 01 Feb. 0.0325 0.0277 0.0304
08:01-09:00, Wed., 01 Feb. 0.0328 0.0289 0.0307
07:01-08:00, Wed., 01 Feb. 0.0329 0.0281 0.0305
06:01-07:00, Wed., 01 Feb. 0.0320 0.0285 0.0305
05:01-06:00, Wed., 01 Feb. 0.0325 0.0280 0.0304
04:01-05:00, Wed., 01 Feb. 0.0324 0.0287 0.0303
03:01-04:00, Wed., 01 Feb. 0.0315 0.0278 0.0302
02:01-03:00, Wed., 01 Feb. 0.0318 0.0280 0.0297
01:01-02:00, Wed., 01 Feb. 0.0318 0.0276 0.0298
00:01-01:00, Wed., 01 Feb. 0.0322 0.0281 0.0299
23:01-24:00, Tue., 31 Jan. 0.0326 0.0283 0.0297
22:01-23:00, Tue., 31 Jan. 0.0313 0.0278 0.0294
21:01-22:00, Tue., 31 Jan. 0.0315 0.0278 0.0295
20:01-21:00, Tue., 31 Jan. 0.0320 0.0275 0.0296
19:01-20:00, Tue., 31 Jan. 0.0314 0.0270 0.0295
18:01-19:00, Tue., 31 Jan. 0.0327 0.0279 0.0295
17:01-18:00, Tue., 31 Jan. 0.0312 0.0269 0.0293
16:01-17:00, Tue., 31 Jan. 0.0316 0.0270 0.0292
15:01-16:00, Tue., 31 Jan. 0.0315 0.0273 0.0293
14:01-15:00, Tue., 31 Jan. 0.0315 0.0274 0.0295
13:01-14:00, Tue., 31 Jan. 0.0318 0.0278 0.0297
12:01-13:00, Tue., 31 Jan. 0.0318 0.0274 0.0296
11:01-12:00, Tue., 31 Jan. 0.0310 0.0275 0.0296
10:01-11:00, Tue., 31 Jan. 0.0312 0.0274 0.0294
09:01-10:00, Tue., 31 Jan. 0.0313 0.0274 0.0297
08:01-09:00, Tue., 31 Jan. 0.0322 0.0276 0.0296
07:01-08:00, Tue., 31 Jan. 0.0315 0.0280 0.0295
06:01-07:00, Tue., 31 Jan. 0.0317 0.0277 0.0297
05:01-06:00, Tue., 31 Jan. 0.0320 0.0285 0.0302
04:01-05:00, Tue., 31 Jan. 0.0330 0.0281 0.0305
03:01-04:00, Tue., 31 Jan. 0.0321 0.0287 0.0304
02:01-03:00, Tue., 31 Jan. 0.0335 0.0286 0.0305
01:01-02:00, Tue., 31 Jan. 0.0324 0.0283 0.0305
00:01-01:00, Tue., 31 Jan. 0.0323 0.0281 0.0305
23:01-24:00, Mon., 30 Jan. 0.0330 0.0288 0.0303
22:01-23:00, Mon., 30 Jan. 0.0341 0.0279 0.0305
21:01-22:00, Mon., 30 Jan. 0.0317 0.0283 0.0302
20:01-21:00, Mon., 30 Jan. 0.0316 0.0283 0.0300
19:01-20:00, Mon., 30 Jan. 0.0317 0.0281 0.0298
18:01-19:00, Mon., 30 Jan. 0.0324 0.0281 0.0300
17:01-18:00, Mon., 30 Jan. 0.0312 0.0278 0.0296
16:01-17:00, Mon., 30 Jan. 0.0320 0.0273 0.0297
15:01-16:00, Mon., 30 Jan. 0.0324 0.0288 0.0308
14:01-15:00, Mon., 30 Jan. 0.0337 0.0293 0.0310
13:01-14:00, Mon., 30 Jan. 0.0336 0.0291 0.0312
12:01-13:00, Mon., 30 Jan. 0.0337 0.0291 0.0312
11:01-12:00, Mon., 30 Jan. 0.0345 0.0290 0.0320
10:01-11:00, Mon., 30 Jan. 0.0338 0.0297 0.0316
09:01-10:00, Mon., 30 Jan. 0.0340 0.0296 0.0323
08:01-09:00, Mon., 30 Jan. 0.0350 0.0306 0.0329
07:01-08:00, Mon., 30 Jan. 0.0354 0.0301 0.0327
06:01-07:00, Mon., 30 Jan. 0.0340 0.0306 0.0323
05:01-06:00, Mon., 30 Jan. 0.0348 0.0303 0.0325
04:01-05:00, Mon., 30 Jan. 0.0349 0.0304 0.0325
03:01-04:00, Mon., 30 Jan. 0.0345 0.0303 0.0324
02:01-03:00, Mon., 30 Jan. 0.0345 0.0300 0.0325
01:01-02:00, Mon., 30 Jan. 0.0347 0.0307 0.0326
00:01-01:00, Mon., 30 Jan. 0.0345 0.0304 0.0322