Measurement results by the hour (Chofu) 10 Dec., 2018 - 16 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., 16 Dec. 0.0331 0.0284 0.0305
22:01-23:00, Sun., 16 Dec. 0.0326 0.0267 0.0298
21:01-22:00, Sun., 16 Dec. 0.0316 0.0274 0.0295
20:01-21:00, Sun., 16 Dec. 0.0313 0.0276 0.0292
19:01-20:00, Sun., 16 Dec. 0.0315 0.0276 0.0293
18:01-19:00, Sun., 16 Dec. 0.0304 0.0273 0.0289
17:01-18:00, Sun., 16 Dec. 0.0308 0.0268 0.0287
16:01-17:00, Sun., 16 Dec. 0.0307 0.0269 0.0289
15:01-16:00, Sun., 16 Dec. 0.0303 0.0269 0.0288
14:01-15:00, Sun., 16 Dec. 0.0322 0.0273 0.0294
13:01-14:00, Sun., 16 Dec. 0.0322 0.0281 0.0303
12:01-13:00, Sun., 16 Dec. 0.0322 0.0279 0.0301
11:01-12:00, Sun., 16 Dec. 0.0324 0.0286 0.0303
10:01-11:00, Sun., 16 Dec. 0.0315 0.0276 0.0298
09:01-10:00, Sun., 16 Dec. 0.0325 0.0272 0.0300
08:01-09:00, Sun., 16 Dec. 0.0333 0.0290 0.0311
07:01-08:00, Sun., 16 Dec. 0.0332 0.0293 0.0314
06:01-07:00, Sun., 16 Dec. 0.0324 0.0288 0.0308
05:01-06:00, Sun., 16 Dec. 0.0335 0.0293 0.0311
04:01-05:00, Sun., 16 Dec. 0.0329 0.0289 0.0305
03:01-04:00, Sun., 16 Dec. 0.0318 0.0282 0.0301
02:01-03:00, Sun., 16 Dec. 0.0314 0.0279 0.0295
01:01-02:00, Sun., 16 Dec. 0.0313 0.0273 0.0295
00:01-01:00, Sun., 16 Dec. 0.0305 0.0259 0.0286
23:01-24:00, Sat., 15 Dec. 0.0299 0.0261 0.0279
22:01-23:00, Sat., 15 Dec. 0.0301 0.0261 0.0279
21:01-22:00, Sat., 15 Dec. 0.0298 0.0263 0.0280
20:01-21:00, Sat., 15 Dec. 0.0303 0.0253 0.0280
19:01-20:00, Sat., 15 Dec. 0.0300 0.0259 0.0277
18:01-19:00, Sat., 15 Dec. 0.0307 0.0257 0.0278
17:01-18:00, Sat., 15 Dec. 0.0298 0.0257 0.0280
16:01-17:00, Sat., 15 Dec. 0.0301 0.0260 0.0279
15:01-16:00, Sat., 15 Dec. 0.0303 0.0266 0.0280
14:01-15:00, Sat., 15 Dec. 0.0305 0.0263 0.0283
13:01-14:00, Sat., 15 Dec. 0.0298 0.0264 0.0281
12:01-13:00, Sat., 15 Dec. 0.0302 0.0265 0.0282
11:01-12:00, Sat., 15 Dec. 0.0313 0.0264 0.0284
10:01-11:00, Sat., 15 Dec. 0.0307 0.0251 0.0285
09:01-10:00, Sat., 15 Dec. 0.0308 0.0263 0.0286
08:01-09:00, Sat., 15 Dec. 0.0306 0.0268 0.0287
07:01-08:00, Sat., 15 Dec. 0.0309 0.0264 0.0289
06:01-07:00, Sat., 15 Dec. 0.0302 0.0268 0.0287
05:01-06:00, Sat., 15 Dec. 0.0300 0.0265 0.0285
04:01-05:00, Sat., 15 Dec. 0.0303 0.0260 0.0284
03:01-04:00, Sat., 15 Dec. 0.0300 0.0263 0.0285
02:01-03:00, Sat., 15 Dec. 0.0305 0.0260 0.0284
01:01-02:00, Sat., 15 Dec. 0.0303 0.0268 0.0285
00:01-01:00, Sat., 15 Dec. 0.0308 0.0266 0.0289
23:01-24:00, Fri., 14 Dec. 0.0307 0.0271 0.0286
22:01-23:00, Fri., 14 Dec. 0.0305 0.0260 0.0288
21:01-22:00, Fri., 14 Dec. 0.0306 0.0260 0.0283
20:01-21:00, Fri., 14 Dec. 0.0308 0.0265 0.0284
19:01-20:00, Fri., 14 Dec. 0.0303 0.0263 0.0283
18:01-19:00, Fri., 14 Dec. 0.0311 0.0263 0.0283
17:01-18:00, Fri., 14 Dec. 0.0312 0.0268 0.0284
16:01-17:00, Fri., 14 Dec. 0.0305 0.0260 0.0283
15:01-16:00, Fri., 14 Dec. 0.0304 0.0262 0.0280
14:01-15:00, Fri., 14 Dec. 0.0304 0.0267 0.0284
13:01-14:00, Fri., 14 Dec. 0.0307 0.0263 0.0285
12:01-13:00, Fri., 14 Dec. 0.0304 0.0263 0.0286
11:01-12:00, Fri., 14 Dec. 0.0299 0.0274 0.0286
10:01-11:00, Fri., 14 Dec. 0.0306 0.0273 0.0288
09:01-10:00, Fri., 14 Dec. 0.0306 0.0269 0.0288
08:01-09:00, Fri., 14 Dec. 0.0302 0.0262 0.0283
07:01-08:00, Fri., 14 Dec. 0.0303 0.0271 0.0286
06:01-07:00, Fri., 14 Dec. 0.0317 0.0257 0.0289
05:01-06:00, Fri., 14 Dec. 0.0327 0.0288 0.0306
04:01-05:00, Fri., 14 Dec. 0.0326 0.0276 0.0301
03:01-04:00, Fri., 14 Dec. 0.0312 0.0275 0.0293
02:01-03:00, Fri., 14 Dec. 0.0312 0.0275 0.0291
01:01-02:00, Fri., 14 Dec. 0.0319 0.0275 0.0296
00:01-01:00, Fri., 14 Dec. 0.0326 0.0270 0.0292
23:01-24:00, Thu., 13 Dec. 0.0305 0.0262 0.0286
22:01-23:00, Thu., 13 Dec. 0.0301 0.0261 0.0284
21:01-22:00, Thu., 13 Dec. 0.0313 0.0266 0.0284
20:01-21:00, Thu., 13 Dec. 0.0297 0.0265 0.0283
19:01-20:00, Thu., 13 Dec. 0.0311 0.0265 0.0288
18:01-19:00, Thu., 13 Dec. 0.0327 0.0286 0.0309
17:01-18:00, Thu., 13 Dec. 0.0345 0.0268 0.0297
16:01-17:00, Thu., 13 Dec. 0.0303 0.0260 0.0285
15:01-16:00, Thu., 13 Dec. 0.0329 0.0273 0.0299
14:01-15:00, Thu., 13 Dec. 0.0362 0.0303 0.0329
13:01-14:00, Thu., 13 Dec. 0.0327 0.0270 0.0292
12:01-13:00, Thu., 13 Dec. 0.0305 0.0259 0.0283
11:01-12:00, Thu., 13 Dec. 0.0300 0.0254 0.0277
10:01-11:00, Thu., 13 Dec. 0.0301 0.0260 0.0280
09:01-10:00, Thu., 13 Dec. 0.0298 0.0260 0.0282
08:01-09:00, Thu., 13 Dec. 0.0308 0.0267 0.0285
07:01-08:00, Thu., 13 Dec. 0.0306 0.0268 0.0285
06:01-07:00, Thu., 13 Dec. 0.0296 0.0266 0.0282
05:01-06:00, Thu., 13 Dec. 0.0300 0.0262 0.0283
04:01-05:00, Thu., 13 Dec. 0.0307 0.0257 0.0284
03:01-04:00, Thu., 13 Dec. 0.0299 0.0265 0.0283
02:01-03:00, Thu., 13 Dec. 0.0303 0.0265 0.0283
01:01-02:00, Thu., 13 Dec. 0.0297 0.0255 0.0281
00:01-01:00, Thu., 13 Dec. 0.0299 0.0263 0.0281
23:01-24:00, Wed., 12 Dec. 0.0301 0.0264 0.0280
22:01-23:00, Wed., 12 Dec. 0.0302 0.0263 0.0276
21:01-22:00, Wed., 12 Dec. 0.0297 0.0260 0.0278
20:01-21:00, Wed., 12 Dec. 0.0295 0.0259 0.0278
19:01-20:00, Wed., 12 Dec. 0.0296 0.0260 0.0277
18:01-19:00, Wed., 12 Dec. 0.0294 0.0251 0.0276
17:01-18:00, Wed., 12 Dec. 0.0301 0.0248 0.0277
16:01-17:00, Wed., 12 Dec. 0.0300 0.0265 0.0279
15:01-16:00, Wed., 12 Dec. 0.0297 0.0262 0.0278
14:01-15:00, Wed., 12 Dec. 0.0299 0.0261 0.0283
13:01-14:00, Wed., 12 Dec. 0.0304 0.0264 0.0284
12:01-13:00, Wed., 12 Dec. 0.0308 0.0268 0.0287
11:01-12:00, Wed., 12 Dec. 0.0320 0.0272 0.0296
10:01-11:00, Wed., 12 Dec. 0.0371 0.0330 0.0353
09:01-10:00, Wed., 12 Dec. 0.0403 0.0342 0.0366
08:01-09:00, Wed., 12 Dec. 0.0418 0.0348 0.0371
07:01-08:00, Wed., 12 Dec. 0.0402 0.0299 0.0353
06:01-07:00, Wed., 12 Dec. 0.0313 0.0267 0.0293
05:01-06:00, Wed., 12 Dec. 0.0345 0.0293 0.0319
04:01-05:00, Wed., 12 Dec. 0.0423 0.0346 0.0381
03:01-04:00, Wed., 12 Dec. 0.0448 0.0378 0.0412
02:01-03:00, Wed., 12 Dec. 0.0454 0.0364 0.0408
01:01-02:00, Wed., 12 Dec. 0.0460 0.0380 0.0424
00:01-01:00, Wed., 12 Dec. 0.0495 0.0401 0.0448
23:01-24:00, Tue., 11 Dec. 0.0536 0.0434 0.0482
22:01-23:00, Tue., 11 Dec. 0.0529 0.0445 0.0482
21:01-22:00, Tue., 11 Dec. 0.0512 0.0429 0.0461
20:01-21:00, Tue., 11 Dec. 0.0479 0.0410 0.0443
19:01-20:00, Tue., 11 Dec. 0.0464 0.0373 0.0432
18:01-19:00, Tue., 11 Dec. 0.0401 0.0326 0.0359
17:01-18:00, Tue., 11 Dec. 0.0372 0.0318 0.0342
16:01-17:00, Tue., 11 Dec. 0.0362 0.0292 0.0323
15:01-16:00, Tue., 11 Dec. 0.0329 0.0284 0.0301
14:01-15:00, Tue., 11 Dec. 0.0317 0.0279 0.0297
13:01-14:00, Tue., 11 Dec. 0.0319 0.0273 0.0297
12:01-13:00, Tue., 11 Dec. 0.0313 0.0280 0.0297
11:01-12:00, Tue., 11 Dec. 0.0322 0.0285 0.0301
10:01-11:00, Tue., 11 Dec. 0.0319 0.0287 0.0304
09:01-10:00, Tue., 11 Dec. 0.0318 0.0286 0.0306
08:01-09:00, Tue., 11 Dec. 0.0324 0.0282 0.0306
07:01-08:00, Tue., 11 Dec. 0.0329 0.0292 0.0309
06:01-07:00, Tue., 11 Dec. 0.0326 0.0294 0.0310
05:01-06:00, Tue., 11 Dec. 0.0323 0.0296 0.0308
04:01-05:00, Tue., 11 Dec. 0.0338 0.0287 0.0310
03:01-04:00, Tue., 11 Dec. 0.0334 0.0291 0.0309
02:01-03:00, Tue., 11 Dec. 0.0333 0.0279 0.0305
01:01-02:00, Tue., 11 Dec. 0.0318 0.0284 0.0302
00:01-01:00, Tue., 11 Dec. 0.0327 0.0278 0.0302
23:01-24:00, Mon., 10 Dec. 0.0324 0.0280 0.0300
22:01-23:00, Mon., 10 Dec. 0.0320 0.0282 0.0301
21:01-22:00, Mon., 10 Dec. 0.0312 0.0274 0.0294
20:01-21:00, Mon., 10 Dec. 0.0311 0.0275 0.0293
19:01-20:00, Mon., 10 Dec. 0.0314 0.0276 0.0294
18:01-19:00, Mon., 10 Dec. 0.0308 0.0277 0.0292
17:01-18:00, Mon., 10 Dec. 0.0311 0.0268 0.0292
16:01-17:00, Mon., 10 Dec. 0.0309 0.0269 0.0290
15:01-16:00, Mon., 10 Dec. 0.0306 0.0261 0.0288
14:01-15:00, Mon., 10 Dec. 0.0308 0.0266 0.0287
13:01-14:00, Mon., 10 Dec. 0.0308 0.0272 0.0291
12:01-13:00, Mon., 10 Dec. 0.0312 0.0273 0.0293
11:01-12:00, Mon., 10 Dec. 0.0311 0.0270 0.0289
10:01-11:00, Mon., 10 Dec. 0.0307 0.0266 0.0290
09:01-10:00, Mon., 10 Dec. 0.0324 0.0267 0.0293
08:01-09:00, Mon., 10 Dec. 0.0318 0.0272 0.0292
07:01-08:00, Mon., 10 Dec. 0.0314 0.0275 0.0291
06:01-07:00, Mon., 10 Dec. 0.0319 0.0277 0.0294
05:01-06:00, Mon., 10 Dec. 0.0310 0.0273 0.0293
04:01-05:00, Mon., 10 Dec. 0.0313 0.0275 0.0295
03:01-04:00, Mon., 10 Dec. 0.0317 0.0268 0.0296
02:01-03:00, Mon., 10 Dec. 0.0328 0.0271 0.0295
01:01-02:00, Mon., 10 Dec. 0.0316 0.0281 0.0297
00:01-01:00, Mon., 10 Dec. 0.0318 0.0282 0.0297