Measurement results by the hour (Chofu) 17 Dec., 2018 - 23 Dec., 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., 23 Dec. 0.0314 0.0281 0.0295
22:01-23:00, Sun., 23 Dec. 0.0319 0.0274 0.0295
21:01-22:00, Sun., 23 Dec. 0.0323 0.0281 0.0297
20:01-21:00, Sun., 23 Dec. 0.0309 0.0274 0.0294
19:01-20:00, Sun., 23 Dec. 0.0313 0.0275 0.0295
18:01-19:00, Sun., 23 Dec. 0.0313 0.0276 0.0292
17:01-18:00, Sun., 23 Dec. 0.0310 0.0275 0.0294
16:01-17:00, Sun., 23 Dec. 0.0314 0.0278 0.0299
15:01-16:00, Sun., 23 Dec. 0.0316 0.0281 0.0296
14:01-15:00, Sun., 23 Dec. 0.0330 0.0283 0.0306
13:01-14:00, Sun., 23 Dec. 0.0346 0.0296 0.0319
12:01-13:00, Sun., 23 Dec. 0.0322 0.0288 0.0307
11:01-12:00, Sun., 23 Dec. 0.0313 0.0275 0.0295
10:01-11:00, Sun., 23 Dec. 0.0310 0.0272 0.0295
09:01-10:00, Sun., 23 Dec. 0.0315 0.0275 0.0293
08:01-09:00, Sun., 23 Dec. 0.0323 0.0284 0.0305
07:01-08:00, Sun., 23 Dec. 0.0320 0.0264 0.0299
06:01-07:00, Sun., 23 Dec. 0.0314 0.0278 0.0299
05:01-06:00, Sun., 23 Dec. 0.0321 0.0279 0.0300
04:01-05:00, Sun., 23 Dec. 0.0316 0.0280 0.0300
03:01-04:00, Sun., 23 Dec. 0.0321 0.0285 0.0302
02:01-03:00, Sun., 23 Dec. 0.0323 0.0282 0.0302
01:01-02:00, Sun., 23 Dec. 0.0314 0.0282 0.0297
00:01-01:00, Sun., 23 Dec. 0.0319 0.0278 0.0294
23:01-24:00, Sat., 22 Dec. 0.0328 0.0269 0.0297
22:01-23:00, Sat., 22 Dec. 0.0316 0.0277 0.0297
21:01-22:00, Sat., 22 Dec. 0.0310 0.0275 0.0294
20:01-21:00, Sat., 22 Dec. 0.0322 0.0281 0.0297
19:01-20:00, Sat., 22 Dec. 0.0324 0.0270 0.0302
18:01-19:00, Sat., 22 Dec. 0.0324 0.0289 0.0305
17:01-18:00, Sat., 22 Dec. 0.0330 0.0279 0.0302
16:01-17:00, Sat., 22 Dec. 0.0329 0.0285 0.0309
15:01-16:00, Sat., 22 Dec. 0.0332 0.0287 0.0314
14:01-15:00, Sat., 22 Dec. 0.0356 0.0306 0.0327
13:01-14:00, Sat., 22 Dec. 0.0371 0.0322 0.0348
12:01-13:00, Sat., 22 Dec. 0.0355 0.0302 0.0320
11:01-12:00, Sat., 22 Dec. 0.0329 0.0278 0.0308
10:01-11:00, Sat., 22 Dec. 0.0326 0.0287 0.0307
09:01-10:00, Sat., 22 Dec. 0.0335 0.0290 0.0311
08:01-09:00, Sat., 22 Dec. 0.0333 0.0291 0.0312
07:01-08:00, Sat., 22 Dec. 0.0328 0.0294 0.0311
06:01-07:00, Sat., 22 Dec. 0.0329 0.0296 0.0311
05:01-06:00, Sat., 22 Dec. 0.0335 0.0292 0.0312
04:01-05:00, Sat., 22 Dec. 0.0328 0.0291 0.0309
03:01-04:00, Sat., 22 Dec. 0.0315 0.0278 0.0300
02:01-03:00, Sat., 22 Dec. 0.0315 0.0275 0.0297
01:01-02:00, Sat., 22 Dec. 0.0315 0.0274 0.0296
00:01-01:00, Sat., 22 Dec. 0.0314 0.0277 0.0296
23:01-24:00, Fri., 21 Dec. 0.0312 0.0279 0.0297
22:01-23:00, Fri., 21 Dec. 0.0321 0.0281 0.0300
21:01-22:00, Fri., 21 Dec. 0.0312 0.0273 0.0293
20:01-21:00, Fri., 21 Dec. 0.0305 0.0271 0.0289
19:01-20:00, Fri., 21 Dec. 0.0308 0.0271 0.0289
18:01-19:00, Fri., 21 Dec. 0.0306 0.0267 0.0281
17:01-18:00, Fri., 21 Dec. 0.0296 0.0265 0.0283
16:01-17:00, Fri., 21 Dec. 0.0295 0.0262 0.0280
15:01-16:00, Fri., 21 Dec. 0.0301 0.0264 0.0284
14:01-15:00, Fri., 21 Dec. 0.0301 0.0263 0.0283
13:01-14:00, Fri., 21 Dec. 0.0306 0.0268 0.0287
12:01-13:00, Fri., 21 Dec. 0.0307 0.0269 0.0289
11:01-12:00, Fri., 21 Dec. 0.0315 0.0270 0.0293
10:01-11:00, Fri., 21 Dec. 0.0331 0.0279 0.0301
09:01-10:00, Fri., 21 Dec. 0.0339 0.0293 0.0315
08:01-09:00, Fri., 21 Dec. 0.0349 0.0299 0.0318
07:01-08:00, Fri., 21 Dec. 0.0339 0.0296 0.0318
06:01-07:00, Fri., 21 Dec. 0.0339 0.0296 0.0317
05:01-06:00, Fri., 21 Dec. 0.0335 0.0296 0.0317
04:01-05:00, Fri., 21 Dec. 0.0323 0.0288 0.0308
03:01-04:00, Fri., 21 Dec. 0.0331 0.0284 0.0306
02:01-03:00, Fri., 21 Dec. 0.0320 0.0281 0.0300
01:01-02:00, Fri., 21 Dec. 0.0312 0.0279 0.0294
00:01-01:00, Fri., 21 Dec. 0.0316 0.0275 0.0291
23:01-24:00, Thu., 20 Dec. 0.0307 0.0273 0.0290
22:01-23:00, Thu., 20 Dec. 0.0310 0.0275 0.0291
21:01-22:00, Thu., 20 Dec. 0.0305 0.0275 0.0290
20:01-21:00, Thu., 20 Dec. 0.0311 0.0267 0.0291
19:01-20:00, Thu., 20 Dec. 0.0311 0.0259 0.0289
18:01-19:00, Thu., 20 Dec. 0.0307 0.0271 0.0286
17:01-18:00, Thu., 20 Dec. 0.0305 0.0267 0.0285
16:01-17:00, Thu., 20 Dec. 0.0303 0.0256 0.0282
15:01-16:00, Thu., 20 Dec. 0.0304 0.0260 0.0284
14:01-15:00, Thu., 20 Dec. 0.0302 0.0261 0.0283
13:01-14:00, Thu., 20 Dec. 0.0310 0.0269 0.0289
12:01-13:00, Thu., 20 Dec. 0.0303 0.0270 0.0288
11:01-12:00, Thu., 20 Dec. 0.0313 0.0262 0.0290
10:01-11:00, Thu., 20 Dec. 0.0317 0.0275 0.0298
09:01-10:00, Thu., 20 Dec. 0.0322 0.0286 0.0304
08:01-09:00, Thu., 20 Dec. 0.0331 0.0287 0.0305
07:01-08:00, Thu., 20 Dec. 0.0329 0.0288 0.0305
06:01-07:00, Thu., 20 Dec. 0.0326 0.0283 0.0305
05:01-06:00, Thu., 20 Dec. 0.0332 0.0287 0.0306
04:01-05:00, Thu., 20 Dec. 0.0323 0.0283 0.0301
03:01-04:00, Thu., 20 Dec. 0.0320 0.0281 0.0303
02:01-03:00, Thu., 20 Dec. 0.0314 0.0278 0.0298
01:01-02:00, Thu., 20 Dec. 0.0322 0.0273 0.0295
00:01-01:00, Thu., 20 Dec. 0.0311 0.0270 0.0292
23:01-24:00, Wed., 19 Dec. 0.0310 0.0269 0.0290
22:01-23:00, Wed., 19 Dec. 0.0306 0.0269 0.0288
21:01-22:00, Wed., 19 Dec. 0.0315 0.0270 0.0287
20:01-21:00, Wed., 19 Dec. 0.0299 0.0265 0.0284
19:01-20:00, Wed., 19 Dec. 0.0299 0.0263 0.0282
18:01-19:00, Wed., 19 Dec. 0.0303 0.0268 0.0284
17:01-18:00, Wed., 19 Dec. 0.0305 0.0265 0.0281
16:01-17:00, Wed., 19 Dec. 0.0299 0.0264 0.0283
15:01-16:00, Wed., 19 Dec. 0.0306 0.0268 0.0285
14:01-15:00, Wed., 19 Dec. 0.0301 0.0267 0.0286
13:01-14:00, Wed., 19 Dec. 0.0307 0.0264 0.0283
12:01-13:00, Wed., 19 Dec. 0.0304 0.0254 0.0282
11:01-12:00, Wed., 19 Dec. 0.0307 0.0273 0.0290
10:01-11:00, Wed., 19 Dec. 0.0321 0.0274 0.0295
09:01-10:00, Wed., 19 Dec. 0.0324 0.0284 0.0302
08:01-09:00, Wed., 19 Dec. 0.0332 0.0288 0.0305
07:01-08:00, Wed., 19 Dec. 0.0331 0.0289 0.0307
06:01-07:00, Wed., 19 Dec. 0.0326 0.0291 0.0307
05:01-06:00, Wed., 19 Dec. 0.0327 0.0286 0.0308
04:01-05:00, Wed., 19 Dec. 0.0323 0.0280 0.0304
03:01-04:00, Wed., 19 Dec. 0.0323 0.0285 0.0306
02:01-03:00, Wed., 19 Dec. 0.0320 0.0285 0.0304
01:01-02:00, Wed., 19 Dec. 0.0320 0.0281 0.0297
00:01-01:00, Wed., 19 Dec. 0.0334 0.0281 0.0297
23:01-24:00, Tue., 18 Dec. 0.0312 0.0277 0.0297
22:01-23:00, Tue., 18 Dec. 0.0312 0.0276 0.0295
21:01-22:00, Tue., 18 Dec. 0.0314 0.0276 0.0296
20:01-21:00, Tue., 18 Dec. 0.0318 0.0271 0.0291
19:01-20:00, Tue., 18 Dec. 0.0304 0.0267 0.0286
18:01-19:00, Tue., 18 Dec. 0.0305 0.0269 0.0287
17:01-18:00, Tue., 18 Dec. 0.0304 0.0269 0.0285
16:01-17:00, Tue., 18 Dec. 0.0303 0.0269 0.0285
15:01-16:00, Tue., 18 Dec. 0.0302 0.0267 0.0286
14:01-15:00, Tue., 18 Dec. 0.0313 0.0266 0.0286
13:01-14:00, Tue., 18 Dec. 0.0305 0.0268 0.0286
12:01-13:00, Tue., 18 Dec. 0.0308 0.0266 0.0287
11:01-12:00, Tue., 18 Dec. 0.0307 0.0266 0.0288
10:01-11:00, Tue., 18 Dec. 0.0316 0.0271 0.0288
09:01-10:00, Tue., 18 Dec. 0.0313 0.0268 0.0289
08:01-09:00, Tue., 18 Dec. 0.0309 0.0264 0.0287
07:01-08:00, Tue., 18 Dec. 0.0303 0.0275 0.0288
06:01-07:00, Tue., 18 Dec. 0.0302 0.0266 0.0288
05:01-06:00, Tue., 18 Dec. 0.0310 0.0266 0.0291
04:01-05:00, Tue., 18 Dec. 0.0310 0.0273 0.0290
03:01-04:00, Tue., 18 Dec. 0.0331 0.0281 0.0304
02:01-03:00, Tue., 18 Dec. 0.0327 0.0288 0.0312
01:01-02:00, Tue., 18 Dec. 0.0330 0.0288 0.0308
00:01-01:00, Tue., 18 Dec. 0.0328 0.0288 0.0307
23:01-24:00, Mon., 17 Dec. 0.0320 0.0279 0.0304
22:01-23:00, Mon., 17 Dec. 0.0324 0.0283 0.0303
21:01-22:00, Mon., 17 Dec. 0.0319 0.0280 0.0301
20:01-21:00, Mon., 17 Dec. 0.0322 0.0277 0.0297
19:01-20:00, Mon., 17 Dec. 0.0307 0.0269 0.0290
18:01-19:00, Mon., 17 Dec. 0.0306 0.0273 0.0288
17:01-18:00, Mon., 17 Dec. 0.0313 0.0275 0.0289
16:01-17:00, Mon., 17 Dec. 0.0310 0.0269 0.0292
15:01-16:00, Mon., 17 Dec. 0.0313 0.0270 0.0292
14:01-15:00, Mon., 17 Dec. 0.0312 0.0273 0.0292
13:01-14:00, Mon., 17 Dec. 0.0310 0.0273 0.0293
12:01-13:00, Mon., 17 Dec. 0.0321 0.0282 0.0299
11:01-12:00, Mon., 17 Dec. 0.0330 0.0276 0.0305
10:01-11:00, Mon., 17 Dec. 0.0354 0.0298 0.0322
09:01-10:00, Mon., 17 Dec. 0.0385 0.0325 0.0362
08:01-09:00, Mon., 17 Dec. 0.0411 0.0353 0.0374
07:01-08:00, Mon., 17 Dec. 0.0430 0.0356 0.0376
06:01-07:00, Mon., 17 Dec. 0.0422 0.0361 0.0390
05:01-06:00, Mon., 17 Dec. 0.0421 0.0347 0.0376
04:01-05:00, Mon., 17 Dec. 0.0376 0.0329 0.0354
03:01-04:00, Mon., 17 Dec. 0.0369 0.0308 0.0337
02:01-03:00, Mon., 17 Dec. 0.0335 0.0297 0.0316
01:01-02:00, Mon., 17 Dec. 0.0329 0.0294 0.0310
00:01-01:00, Mon., 17 Dec. 0.0327 0.0287 0.0306