Measurement results by the hour (Chofu) 20 Feb., 2017 - 26 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., 26 Feb. 0.0328 0.0273 0.0304
22:01-23:00, Sun., 26 Feb. 0.0323 0.0277 0.0300
21:01-22:00, Sun., 26 Feb. 0.0315 0.0283 0.0298
20:01-21:00, Sun., 26 Feb. 0.0319 0.0272 0.0295
19:01-20:00, Sun., 26 Feb. 0.0313 0.0282 0.0297
18:01-19:00, Sun., 26 Feb. 0.0318 0.0274 0.0297
17:01-18:00, Sun., 26 Feb. 0.0321 0.0282 0.0298
16:01-17:00, Sun., 26 Feb. 0.0315 0.0280 0.0299
15:01-16:00, Sun., 26 Feb. 0.0319 0.0281 0.0301
14:01-15:00, Sun., 26 Feb. 0.0319 0.0281 0.0299
13:01-14:00, Sun., 26 Feb. 0.0318 0.0276 0.0298
12:01-13:00, Sun., 26 Feb. 0.0322 0.0282 0.0303
11:01-12:00, Sun., 26 Feb. 0.0320 0.0285 0.0304
10:01-11:00, Sun., 26 Feb. 0.0326 0.0286 0.0307
09:01-10:00, Sun., 26 Feb. 0.0330 0.0288 0.0308
08:01-09:00, Sun., 26 Feb. 0.0346 0.0295 0.0321
07:01-08:00, Sun., 26 Feb. 0.0352 0.0290 0.0325
06:01-07:00, Sun., 26 Feb. 0.0346 0.0290 0.0321
05:01-06:00, Sun., 26 Feb. 0.0334 0.0293 0.0313
04:01-05:00, Sun., 26 Feb. 0.0323 0.0291 0.0305
03:01-04:00, Sun., 26 Feb. 0.0332 0.0275 0.0303
02:01-03:00, Sun., 26 Feb. 0.0325 0.0287 0.0303
01:01-02:00, Sun., 26 Feb. 0.0323 0.0276 0.0304
00:01-01:00, Sun., 26 Feb. 0.0324 0.0282 0.0302
23:01-24:00, Sat., 25 Feb. 0.0318 0.0272 0.0301
22:01-23:00, Sat., 25 Feb. 0.0318 0.0283 0.0300
21:01-22:00, Sat., 25 Feb. 0.0321 0.0277 0.0295
20:01-21:00, Sat., 25 Feb. 0.0321 0.0287 0.0299
19:01-20:00, Sat., 25 Feb. 0.0322 0.0279 0.0297
18:01-19:00, Sat., 25 Feb. 0.0311 0.0275 0.0295
17:01-18:00, Sat., 25 Feb. 0.0313 0.0272 0.0293
16:01-17:00, Sat., 25 Feb. 0.0313 0.0277 0.0291
15:01-16:00, Sat., 25 Feb. 0.0311 0.0274 0.0295
14:01-15:00, Sat., 25 Feb. 0.0317 0.0273 0.0292
13:01-14:00, Sat., 25 Feb. 0.0307 0.0267 0.0293
12:01-13:00, Sat., 25 Feb. 0.0308 0.0279 0.0296
11:01-12:00, Sat., 25 Feb. 0.0311 0.0271 0.0294
10:01-11:00, Sat., 25 Feb. 0.0332 0.0276 0.0298
09:01-10:00, Sat., 25 Feb. 0.0316 0.0278 0.0297
08:01-09:00, Sat., 25 Feb. 0.0325 0.0274 0.0300
07:01-08:00, Sat., 25 Feb. 0.0321 0.0282 0.0302
06:01-07:00, Sat., 25 Feb. 0.0337 0.0279 0.0302
05:01-06:00, Sat., 25 Feb. 0.0315 0.0276 0.0300
04:01-05:00, Sat., 25 Feb. 0.0318 0.0278 0.0302
03:01-04:00, Sat., 25 Feb. 0.0319 0.0285 0.0301
02:01-03:00, Sat., 25 Feb. 0.0325 0.0289 0.0304
01:01-02:00, Sat., 25 Feb. 0.0324 0.0275 0.0299
00:01-01:00, Sat., 25 Feb. 0.0319 0.0278 0.0298
23:01-24:00, Fri., 24 Feb. 0.0311 0.0285 0.0296
22:01-23:00, Fri., 24 Feb. 0.0319 0.0273 0.0298
21:01-22:00, Fri., 24 Feb. 0.0323 0.0271 0.0299
20:01-21:00, Fri., 24 Feb. 0.0316 0.0272 0.0296
19:01-20:00, Fri., 24 Feb. 0.0319 0.0272 0.0293
18:01-19:00, Fri., 24 Feb. 0.0318 0.0272 0.0293
17:01-18:00, Fri., 24 Feb. 0.0311 0.0274 0.0291
16:01-17:00, Fri., 24 Feb. 0.0312 0.0272 0.0292
15:01-16:00, Fri., 24 Feb. 0.0317 0.0273 0.0294
14:01-15:00, Fri., 24 Feb. 0.0315 0.0273 0.0293
13:01-14:00, Fri., 24 Feb. 0.0315 0.0277 0.0295
12:01-13:00, Fri., 24 Feb. 0.0319 0.0279 0.0298
11:01-12:00, Fri., 24 Feb. 0.0327 0.0275 0.0299
10:01-11:00, Fri., 24 Feb. 0.0315 0.0281 0.0301
09:01-10:00, Fri., 24 Feb. 0.0318 0.0287 0.0302
08:01-09:00, Fri., 24 Feb. 0.0320 0.0285 0.0303
07:01-08:00, Fri., 24 Feb. 0.0325 0.0285 0.0306
06:01-07:00, Fri., 24 Feb. 0.0328 0.0286 0.0308
05:01-06:00, Fri., 24 Feb. 0.0327 0.0284 0.0308
04:01-05:00, Fri., 24 Feb. 0.0324 0.0279 0.0304
03:01-04:00, Fri., 24 Feb. 0.0323 0.0279 0.0304
02:01-03:00, Fri., 24 Feb. 0.0320 0.0285 0.0302
01:01-02:00, Fri., 24 Feb. 0.0322 0.0287 0.0304
00:01-01:00, Fri., 24 Feb. 0.0323 0.0286 0.0304
23:01-24:00, Thu., 23 Feb. 0.0327 0.0282 0.0302
22:01-23:00, Thu., 23 Feb. 0.0317 0.0277 0.0299
21:01-22:00, Thu., 23 Feb. 0.0315 0.0273 0.0296
20:01-21:00, Thu., 23 Feb. 0.0317 0.0276 0.0295
19:01-20:00, Thu., 23 Feb. 0.0311 0.0272 0.0294
18:01-19:00, Thu., 23 Feb. 0.0309 0.0270 0.0293
17:01-18:00, Thu., 23 Feb. 0.0316 0.0272 0.0293
16:01-17:00, Thu., 23 Feb. 0.0318 0.0279 0.0298
15:01-16:00, Thu., 23 Feb. 0.0321 0.0277 0.0299
14:01-15:00, Thu., 23 Feb. 0.0324 0.0282 0.0300
13:01-14:00, Thu., 23 Feb. 0.0329 0.0282 0.0301
12:01-13:00, Thu., 23 Feb. 0.0334 0.0286 0.0304
11:01-12:00, Thu., 23 Feb. 0.0338 0.0289 0.0316
10:01-11:00, Thu., 23 Feb. 0.0342 0.0302 0.0323
09:01-10:00, Thu., 23 Feb. 0.0342 0.0295 0.0319
08:01-09:00, Thu., 23 Feb. 0.0337 0.0286 0.0312
07:01-08:00, Thu., 23 Feb. 0.0324 0.0274 0.0297
06:01-07:00, Thu., 23 Feb. 0.0304 0.0276 0.0291
05:01-06:00, Thu., 23 Feb. 0.0310 0.0271 0.0294
04:01-05:00, Thu., 23 Feb. 0.0319 0.0275 0.0296
03:01-04:00, Thu., 23 Feb. 0.0313 0.0272 0.0293
02:01-03:00, Thu., 23 Feb. 0.0312 0.0273 0.0293
01:01-02:00, Thu., 23 Feb. 0.0315 0.0275 0.0294
00:01-01:00, Thu., 23 Feb. 0.0317 0.0275 0.0294
23:01-24:00, Wed., 22 Feb. 0.0312 0.0277 0.0293
22:01-23:00, Wed., 22 Feb. 0.0312 0.0279 0.0296
21:01-22:00, Wed., 22 Feb. 0.0308 0.0274 0.0294
20:01-21:00, Wed., 22 Feb. 0.0308 0.0269 0.0290
19:01-20:00, Wed., 22 Feb. 0.0309 0.0275 0.0292
18:01-19:00, Wed., 22 Feb. 0.0310 0.0273 0.0292
17:01-18:00, Wed., 22 Feb. 0.0313 0.0272 0.0295
16:01-17:00, Wed., 22 Feb. 0.0305 0.0274 0.0289
15:01-16:00, Wed., 22 Feb. 0.0311 0.0273 0.0290
14:01-15:00, Wed., 22 Feb. 0.0309 0.0273 0.0290
13:01-14:00, Wed., 22 Feb. 0.0314 0.0270 0.0291
12:01-13:00, Wed., 22 Feb. 0.0306 0.0277 0.0291
11:01-12:00, Wed., 22 Feb. 0.0312 0.0272 0.0292
10:01-11:00, Wed., 22 Feb. 0.0311 0.0273 0.0293
09:01-10:00, Wed., 22 Feb. 0.0309 0.0272 0.0292
08:01-09:00, Wed., 22 Feb. 0.0317 0.0275 0.0292
07:01-08:00, Wed., 22 Feb. 0.0315 0.0272 0.0292
06:01-07:00, Wed., 22 Feb. 0.0314 0.0277 0.0293
05:01-06:00, Wed., 22 Feb. 0.0309 0.0267 0.0290
04:01-05:00, Wed., 22 Feb. 0.0312 0.0275 0.0289
03:01-04:00, Wed., 22 Feb. 0.0310 0.0265 0.0293
02:01-03:00, Wed., 22 Feb. 0.0319 0.0270 0.0292
01:01-02:00, Wed., 22 Feb. 0.0308 0.0274 0.0291
00:01-01:00, Wed., 22 Feb. 0.0310 0.0274 0.0291
23:01-24:00, Tue., 21 Feb. 0.0311 0.0267 0.0290
22:01-23:00, Tue., 21 Feb. 0.0319 0.0266 0.0290
21:01-22:00, Tue., 21 Feb. 0.0313 0.0272 0.0292
20:01-21:00, Tue., 21 Feb. 0.0308 0.0260 0.0288
19:01-20:00, Tue., 21 Feb. 0.0309 0.0270 0.0291
18:01-19:00, Tue., 21 Feb. 0.0307 0.0264 0.0291
17:01-18:00, Tue., 21 Feb. 0.0304 0.0268 0.0287
16:01-17:00, Tue., 21 Feb. 0.0307 0.0270 0.0289
15:01-16:00, Tue., 21 Feb. 0.0307 0.0270 0.0289
14:01-15:00, Tue., 21 Feb. 0.0309 0.0266 0.0288
13:01-14:00, Tue., 21 Feb. 0.0311 0.0269 0.0291
12:01-13:00, Tue., 21 Feb. 0.0314 0.0271 0.0293
11:01-12:00, Tue., 21 Feb. 0.0311 0.0280 0.0298
10:01-11:00, Tue., 21 Feb. 0.0323 0.0275 0.0297
09:01-10:00, Tue., 21 Feb. 0.0325 0.0272 0.0300
08:01-09:00, Tue., 21 Feb. 0.0316 0.0275 0.0295
07:01-08:00, Tue., 21 Feb. 0.0316 0.0273 0.0296
06:01-07:00, Tue., 21 Feb. 0.0312 0.0271 0.0296
05:01-06:00, Tue., 21 Feb. 0.0316 0.0281 0.0298
04:01-05:00, Tue., 21 Feb. 0.0321 0.0286 0.0300
03:01-04:00, Tue., 21 Feb. 0.0323 0.0284 0.0304
02:01-03:00, Tue., 21 Feb. 0.0321 0.0283 0.0302
01:01-02:00, Tue., 21 Feb. 0.0328 0.0279 0.0304
00:01-01:00, Tue., 21 Feb. 0.0318 0.0283 0.0303
23:01-24:00, Mon., 20 Feb. 0.0319 0.0281 0.0300
22:01-23:00, Mon., 20 Feb. 0.0325 0.0280 0.0301
21:01-22:00, Mon., 20 Feb. 0.0354 0.0291 0.0319
20:01-21:00, Mon., 20 Feb. 0.0438 0.0329 0.0375
19:01-20:00, Mon., 20 Feb. 0.0502 0.0411 0.0448
18:01-19:00, Mon., 20 Feb. 0.0501 0.0418 0.0453
17:01-18:00, Mon., 20 Feb. 0.0465 0.0329 0.0391
16:01-17:00, Mon., 20 Feb. 0.0347 0.0305 0.0327
15:01-16:00, Mon., 20 Feb. 0.0309 0.0271 0.0295
14:01-15:00, Mon., 20 Feb. 0.0318 0.0276 0.0292
13:01-14:00, Mon., 20 Feb. 0.0309 0.0279 0.0295
12:01-13:00, Mon., 20 Feb. 0.0321 0.0276 0.0297
11:01-12:00, Mon., 20 Feb. 0.0326 0.0283 0.0302
10:01-11:00, Mon., 20 Feb. 0.0324 0.0290 0.0307
09:01-10:00, Mon., 20 Feb. 0.0328 0.0288 0.0310
08:01-09:00, Mon., 20 Feb. 0.0336 0.0294 0.0313
07:01-08:00, Mon., 20 Feb. 0.0350 0.0303 0.0323
06:01-07:00, Mon., 20 Feb. 0.0335 0.0300 0.0318
05:01-06:00, Mon., 20 Feb. 0.0340 0.0289 0.0311
04:01-05:00, Mon., 20 Feb. 0.0330 0.0293 0.0311
03:01-04:00, Mon., 20 Feb. 0.0329 0.0285 0.0304
02:01-03:00, Mon., 20 Feb. 0.0325 0.0283 0.0302
01:01-02:00, Mon., 20 Feb. 0.0325 0.0289 0.0305
00:01-01:00, Mon., 20 Feb. 0.0334 0.0278 0.0304