Measurement results by the hour (Chofu) 16 Dec., 2019 - 22 Dec., 2019

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., 22 Dec. 0.0547 0.0449 0.0494
22:01-23:00, Sun., 22 Dec. 0.0557 0.0449 0.0491
21:01-22:00, Sun., 22 Dec. 0.0512 0.0415 0.0460
20:01-21:00, Sun., 22 Dec. 0.0529 0.0433 0.0472
19:01-20:00, Sun., 22 Dec. 0.0484 0.0388 0.0437
18:01-19:00, Sun., 22 Dec. 0.0441 0.0374 0.0412
17:01-18:00, Sun., 22 Dec. 0.0421 0.0345 0.0373
16:01-17:00, Sun., 22 Dec. 0.0386 0.0343 0.0362
15:01-16:00, Sun., 22 Dec. 0.0349 0.0278 0.0305
14:01-15:00, Sun., 22 Dec. 0.0307 0.0270 0.0291
13:01-14:00, Sun., 22 Dec. 0.0313 0.0275 0.0291
12:01-13:00, Sun., 22 Dec. 0.0308 0.0268 0.0292
11:01-12:00, Sun., 22 Dec. 0.0325 0.0272 0.0297
10:01-11:00, Sun., 22 Dec. 0.0322 0.0278 0.0297
09:01-10:00, Sun., 22 Dec. 0.0331 0.0282 0.0301
08:01-09:00, Sun., 22 Dec. 0.0322 0.0285 0.0299
07:01-08:00, Sun., 22 Dec. 0.0324 0.0272 0.0303
06:01-07:00, Sun., 22 Dec. 0.0324 0.0286 0.0304
05:01-06:00, Sun., 22 Dec. 0.0336 0.0288 0.0312
04:01-05:00, Sun., 22 Dec. 0.0325 0.0286 0.0303
03:01-04:00, Sun., 22 Dec. 0.0315 0.0274 0.0294
02:01-03:00, Sun., 22 Dec. 0.0310 0.0264 0.0288
01:01-02:00, Sun., 22 Dec. 0.0309 0.0267 0.0287
00:01-01:00, Sun., 22 Dec. 0.0303 0.0267 0.0285
23:01-24:00, Sat., 21 Dec. 0.0306 0.0267 0.0284
22:01-23:00, Sat., 21 Dec. 0.0315 0.0264 0.0285
21:01-22:00, Sat., 21 Dec. 0.0305 0.0267 0.0285
20:01-21:00, Sat., 21 Dec. 0.0308 0.0271 0.0285
19:01-20:00, Sat., 21 Dec. 0.0300 0.0271 0.0285
18:01-19:00, Sat., 21 Dec. 0.0309 0.0265 0.0288
17:01-18:00, Sat., 21 Dec. 0.0304 0.0270 0.0285
16:01-17:00, Sat., 21 Dec. 0.0305 0.0267 0.0283
15:01-16:00, Sat., 21 Dec. 0.0307 0.0261 0.0285
14:01-15:00, Sat., 21 Dec. 0.0305 0.0265 0.0285
13:01-14:00, Sat., 21 Dec. 0.0300 0.0270 0.0287
12:01-13:00, Sat., 21 Dec. 0.0310 0.0267 0.0286
11:01-12:00, Sat., 21 Dec. 0.0306 0.0265 0.0286
10:01-11:00, Sat., 21 Dec. 0.0303 0.0272 0.0289
09:01-10:00, Sat., 21 Dec. 0.0311 0.0271 0.0289
08:01-09:00, Sat., 21 Dec. 0.0308 0.0269 0.0287
07:01-08:00, Sat., 21 Dec. 0.0311 0.0263 0.0287
06:01-07:00, Sat., 21 Dec. 0.0299 0.0273 0.0286
05:01-06:00, Sat., 21 Dec. 0.0308 0.0266 0.0287
04:01-05:00, Sat., 21 Dec. 0.0303 0.0259 0.0283
03:01-04:00, Sat., 21 Dec. 0.0307 0.0266 0.0283
02:01-03:00, Sat., 21 Dec. 0.0310 0.0264 0.0283
01:01-02:00, Sat., 21 Dec. 0.0300 0.0264 0.0282
00:01-01:00, Sat., 21 Dec. 0.0295 0.0257 0.0277
23:01-24:00, Fri., 20 Dec. 0.0297 0.0265 0.0280
22:01-23:00, Fri., 20 Dec. 0.0308 0.0263 0.0281
21:01-22:00, Fri., 20 Dec. 0.0296 0.0254 0.0276
20:01-21:00, Fri., 20 Dec. 0.0298 0.0261 0.0278
19:01-20:00, Fri., 20 Dec. 0.0294 0.0252 0.0274
18:01-19:00, Fri., 20 Dec. 0.0298 0.0262 0.0278
17:01-18:00, Fri., 20 Dec. 0.0294 0.0260 0.0274
16:01-17:00, Fri., 20 Dec. 0.0297 0.0263 0.0277
15:01-16:00, Fri., 20 Dec. 0.0296 0.0260 0.0277
14:01-15:00, Fri., 20 Dec. 0.0309 0.0263 0.0281
13:01-14:00, Fri., 20 Dec. 0.0297 0.0258 0.0280
12:01-13:00, Fri., 20 Dec. 0.0299 0.0260 0.0284
11:01-12:00, Fri., 20 Dec. 0.0303 0.0269 0.0285
10:01-11:00, Fri., 20 Dec. 0.0306 0.0269 0.0286
09:01-10:00, Fri., 20 Dec. 0.0323 0.0276 0.0294
08:01-09:00, Fri., 20 Dec. 0.0322 0.0278 0.0298
07:01-08:00, Fri., 20 Dec. 0.0308 0.0274 0.0293
06:01-07:00, Fri., 20 Dec. 0.0314 0.0270 0.0290
05:01-06:00, Fri., 20 Dec. 0.0310 0.0267 0.0285
04:01-05:00, Fri., 20 Dec. 0.0318 0.0271 0.0288
03:01-04:00, Fri., 20 Dec. 0.0312 0.0272 0.0286
02:01-03:00, Fri., 20 Dec. 0.0307 0.0267 0.0287
01:01-02:00, Fri., 20 Dec. 0.0315 0.0269 0.0285
00:01-01:00, Fri., 20 Dec. 0.0304 0.0268 0.0285
23:01-24:00, Thu., 19 Dec. 0.0297 0.0268 0.0283
22:01-23:00, Thu., 19 Dec. 0.0308 0.0258 0.0284
21:01-22:00, Thu., 19 Dec. 0.0306 0.0262 0.0283
20:01-21:00, Thu., 19 Dec. 0.0305 0.0263 0.0282
19:01-20:00, Thu., 19 Dec. 0.0308 0.0268 0.0287
18:01-19:00, Thu., 19 Dec. 0.0308 0.0271 0.0290
17:01-18:00, Thu., 19 Dec. 0.0320 0.0275 0.0297
16:01-17:00, Thu., 19 Dec. 0.0332 0.0276 0.0310
15:01-16:00, Thu., 19 Dec. 0.0327 0.0272 0.0298
14:01-15:00, Thu., 19 Dec. 0.0308 0.0273 0.0287
13:01-14:00, Thu., 19 Dec. 0.0317 0.0279 0.0299
12:01-13:00, Thu., 19 Dec. 0.0341 0.0286 0.0310
11:01-12:00, Thu., 19 Dec. 0.0351 0.0291 0.0317
10:01-11:00, Thu., 19 Dec. 0.0317 0.0274 0.0294
09:01-10:00, Thu., 19 Dec. 0.0311 0.0268 0.0290
08:01-09:00, Thu., 19 Dec. 0.0309 0.0271 0.0289
07:01-08:00, Thu., 19 Dec. 0.0304 0.0268 0.0287
06:01-07:00, Thu., 19 Dec. 0.0306 0.0268 0.0287
05:01-06:00, Thu., 19 Dec. 0.0307 0.0261 0.0284
04:01-05:00, Thu., 19 Dec. 0.0300 0.0269 0.0284
03:01-04:00, Thu., 19 Dec. 0.0307 0.0265 0.0282
02:01-03:00, Thu., 19 Dec. 0.0308 0.0265 0.0285
01:01-02:00, Thu., 19 Dec. 0.0305 0.0257 0.0281
00:01-01:00, Thu., 19 Dec. 0.0302 0.0264 0.0283
23:01-24:00, Wed., 18 Dec. 0.0306 0.0265 0.0283
22:01-23:00, Wed., 18 Dec. 0.0303 0.0269 0.0285
21:01-22:00, Wed., 18 Dec. 0.0303 0.0265 0.0284
20:01-21:00, Wed., 18 Dec. 0.0306 0.0263 0.0285
19:01-20:00, Wed., 18 Dec. 0.0303 0.0266 0.0283
18:01-19:00, Wed., 18 Dec. 0.0299 0.0266 0.0281
17:01-18:00, Wed., 18 Dec. 0.0299 0.0262 0.0281
16:01-17:00, Wed., 18 Dec. 0.0303 0.0266 0.0283
15:01-16:00, Wed., 18 Dec. 0.0303 0.0272 0.0286
14:01-15:00, Wed., 18 Dec. 0.0309 0.0269 0.0289
13:01-14:00, Wed., 18 Dec. 0.0317 0.0273 0.0295
12:01-13:00, Wed., 18 Dec. 0.0312 0.0269 0.0291
11:01-12:00, Wed., 18 Dec. 0.0314 0.0271 0.0289
10:01-11:00, Wed., 18 Dec. 0.0324 0.0277 0.0297
09:01-10:00, Wed., 18 Dec. 0.0326 0.0289 0.0304
08:01-09:00, Wed., 18 Dec. 0.0324 0.0286 0.0305
07:01-08:00, Wed., 18 Dec. 0.0326 0.0287 0.0302
06:01-07:00, Wed., 18 Dec. 0.0316 0.0279 0.0299
05:01-06:00, Wed., 18 Dec. 0.0314 0.0276 0.0294
04:01-05:00, Wed., 18 Dec. 0.0311 0.0276 0.0295
03:01-04:00, Wed., 18 Dec. 0.0323 0.0278 0.0299
02:01-03:00, Wed., 18 Dec. 0.0316 0.0277 0.0296
01:01-02:00, Wed., 18 Dec. 0.0310 0.0272 0.0292
00:01-01:00, Wed., 18 Dec. 0.0313 0.0267 0.0293
23:01-24:00, Tue., 17 Dec. 0.0314 0.0272 0.0291
22:01-23:00, Tue., 17 Dec. 0.0310 0.0272 0.0290
21:01-22:00, Tue., 17 Dec. 0.0303 0.0262 0.0287
20:01-21:00, Tue., 17 Dec. 0.0303 0.0271 0.0285
19:01-20:00, Tue., 17 Dec. 0.0307 0.0263 0.0286
18:01-19:00, Tue., 17 Dec. 0.0306 0.0261 0.0284
17:01-18:00, Tue., 17 Dec. 0.0299 0.0264 0.0284
16:01-17:00, Tue., 17 Dec. 0.0300 0.0261 0.0282
15:01-16:00, Tue., 17 Dec. 0.0303 0.0264 0.0285
14:01-15:00, Tue., 17 Dec. 0.0315 0.0270 0.0292
13:01-14:00, Tue., 17 Dec. 0.0315 0.0268 0.0288
12:01-13:00, Tue., 17 Dec. 0.0316 0.0263 0.0295
11:01-12:00, Tue., 17 Dec. 0.0352 0.0289 0.0313
10:01-11:00, Tue., 17 Dec. 0.0400 0.0307 0.0359
09:01-10:00, Tue., 17 Dec. 0.0399 0.0306 0.0355
08:01-09:00, Tue., 17 Dec. 0.0329 0.0293 0.0311
07:01-08:00, Tue., 17 Dec. 0.0333 0.0297 0.0314
06:01-07:00, Tue., 17 Dec. 0.0348 0.0306 0.0326
05:01-06:00, Tue., 17 Dec. 0.0353 0.0297 0.0322
04:01-05:00, Tue., 17 Dec. 0.0330 0.0287 0.0308
03:01-04:00, Tue., 17 Dec. 0.0320 0.0279 0.0297
02:01-03:00, Tue., 17 Dec. 0.0321 0.0279 0.0297
01:01-02:00, Tue., 17 Dec. 0.0308 0.0270 0.0289
00:01-01:00, Tue., 17 Dec. 0.0314 0.0269 0.0289
23:01-24:00, Mon., 16 Dec. 0.0312 0.0267 0.0286
22:01-23:00, Mon., 16 Dec. 0.0300 0.0269 0.0285
21:01-22:00, Mon., 16 Dec. 0.0303 0.0263 0.0283
20:01-21:00, Mon., 16 Dec. 0.0306 0.0273 0.0285
19:01-20:00, Mon., 16 Dec. 0.0302 0.0263 0.0281
18:01-19:00, Mon., 16 Dec. 0.0302 0.0265 0.0280
17:01-18:00, Mon., 16 Dec. 0.0301 0.0258 0.0284
16:01-17:00, Mon., 16 Dec. 0.0294 0.0260 0.0275
15:01-16:00, Mon., 16 Dec. 0.0303 0.0256 0.0280
14:01-15:00, Mon., 16 Dec. 0.0315 0.0266 0.0283
13:01-14:00, Mon., 16 Dec. 0.0313 0.0268 0.0286
12:01-13:00, Mon., 16 Dec. 0.0304 0.0268 0.0286
11:01-12:00, Mon., 16 Dec. 0.0314 0.0262 0.0286
10:01-11:00, Mon., 16 Dec. 0.0320 0.0281 0.0297
09:01-10:00, Mon., 16 Dec. 0.0323 0.0269 0.0296
08:01-09:00, Mon., 16 Dec. 0.0319 0.0282 0.0300
07:01-08:00, Mon., 16 Dec. 0.0315 0.0276 0.0297
06:01-07:00, Mon., 16 Dec. 0.0322 0.0271 0.0296
05:01-06:00, Mon., 16 Dec. 0.0307 0.0274 0.0290
04:01-05:00, Mon., 16 Dec. 0.0305 0.0267 0.0289
03:01-04:00, Mon., 16 Dec. 0.0314 0.0270 0.0289
02:01-03:00, Mon., 16 Dec. 0.0311 0.0264 0.0287
01:01-02:00, Mon., 16 Dec. 0.0315 0.0271 0.0288
00:01-01:00, Mon., 16 Dec. 0.0313 0.0265 0.0285