Measurement results by the hour (Chofu) 29 Feb., 2016 - 6 Mar., 2016

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., 06 Mar. 0.0327 0.0288 0.0308
22:01-23:00, Sun., 06 Mar. 0.0317 0.0286 0.0301
21:01-22:00, Sun., 06 Mar. 0.0325 0.0275 0.0296
20:01-21:00, Sun., 06 Mar. 0.0317 0.0262 0.0292
19:01-20:00, Sun., 06 Mar. 0.0313 0.0281 0.0296
18:01-19:00, Sun., 06 Mar. 0.0312 0.0275 0.0295
17:01-18:00, Sun., 06 Mar. 0.0319 0.0283 0.0299
16:01-17:00, Sun., 06 Mar. 0.0317 0.0279 0.0295
15:01-16:00, Sun., 06 Mar. 0.0321 0.0278 0.0299
14:01-15:00, Sun., 06 Mar. 0.0321 0.0274 0.0297
13:01-14:00, Sun., 06 Mar. 0.0319 0.0283 0.0299
12:01-13:00, Sun., 06 Mar. 0.0319 0.0281 0.0299
11:01-12:00, Sun., 06 Mar. 0.0326 0.0274 0.0300
10:01-11:00, Sun., 06 Mar. 0.0322 0.0287 0.0301
09:01-10:00, Sun., 06 Mar. 0.0336 0.0280 0.0303
08:01-09:00, Sun., 06 Mar. 0.0319 0.0288 0.0303
07:01-08:00, Sun., 06 Mar. 0.0327 0.0287 0.0302
06:01-07:00, Sun., 06 Mar. 0.0319 0.0280 0.0302
05:01-06:00, Sun., 06 Mar. 0.0331 0.0282 0.0301
04:01-05:00, Sun., 06 Mar. 0.0331 0.0274 0.0302
03:01-04:00, Sun., 06 Mar. 0.0324 0.0287 0.0304
02:01-03:00, Sun., 06 Mar. 0.0327 0.0287 0.0302
01:01-02:00, Sun., 06 Mar. 0.0324 0.0283 0.0301
00:01-01:00, Sun., 06 Mar. 0.0325 0.0279 0.0302
23:01-24:00, Sat., 05 Mar. 0.0320 0.0284 0.0301
22:01-23:00, Sat., 05 Mar. 0.0320 0.0278 0.0300
21:01-22:00, Sat., 05 Mar. 0.0320 0.0268 0.0301
20:01-21:00, Sat., 05 Mar. 0.0325 0.0278 0.0302
19:01-20:00, Sat., 05 Mar. 0.0328 0.0290 0.0306
18:01-19:00, Sat., 05 Mar. 0.0338 0.0284 0.0311
17:01-18:00, Sat., 05 Mar. 0.0327 0.0281 0.0301
16:01-17:00, Sat., 05 Mar. 0.0312 0.0271 0.0297
15:01-16:00, Sat., 05 Mar. 0.0324 0.0281 0.0301
14:01-15:00, Sat., 05 Mar. 0.0316 0.0281 0.0301
13:01-14:00, Sat., 05 Mar. 0.0322 0.0278 0.0299
12:01-13:00, Sat., 05 Mar. 0.0328 0.0284 0.0303
11:01-12:00, Sat., 05 Mar. 0.0327 0.0279 0.0305
10:01-11:00, Sat., 05 Mar. 0.0328 0.0287 0.0306
09:01-10:00, Sat., 05 Mar. 0.0330 0.0282 0.0307
08:01-09:00, Sat., 05 Mar. 0.0325 0.0284 0.0303
07:01-08:00, Sat., 05 Mar. 0.0328 0.0284 0.0305
06:01-07:00, Sat., 05 Mar. 0.0327 0.0285 0.0307
05:01-06:00, Sat., 05 Mar. 0.0327 0.0277 0.0303
04:01-05:00, Sat., 05 Mar. 0.0319 0.0269 0.0304
03:01-04:00, Sat., 05 Mar. 0.0326 0.0289 0.0305
02:01-03:00, Sat., 05 Mar. 0.0334 0.0285 0.0305
01:01-02:00, Sat., 05 Mar. 0.0317 0.0280 0.0302
00:01-01:00, Sat., 05 Mar. 0.0317 0.0283 0.0302
23:01-24:00, Fri., 04 Mar. 0.0321 0.0287 0.0303
22:01-23:00, Fri., 04 Mar. 0.0320 0.0284 0.0302
21:01-22:00, Fri., 04 Mar. 0.0331 0.0279 0.0301
20:01-21:00, Fri., 04 Mar. 0.0327 0.0277 0.0301
19:01-20:00, Fri., 04 Mar. 0.0327 0.0290 0.0302
18:01-19:00, Fri., 04 Mar. 0.0328 0.0284 0.0301
17:01-18:00, Fri., 04 Mar. 0.0318 0.0283 0.0300
16:01-17:00, Fri., 04 Mar. 0.0325 0.0281 0.0301
15:01-16:00, Fri., 04 Mar. 0.0316 0.0279 0.0299
14:01-15:00, Fri., 04 Mar. 0.0325 0.0277 0.0299
13:01-14:00, Fri., 04 Mar. 0.0319 0.0283 0.0302
12:01-13:00, Fri., 04 Mar. 0.0325 0.0276 0.0302
11:01-12:00, Fri., 04 Mar. 0.0320 0.0285 0.0301
10:01-11:00, Fri., 04 Mar. 0.0320 0.0282 0.0302
09:01-10:00, Fri., 04 Mar. 0.0326 0.0286 0.0306
08:01-09:00, Fri., 04 Mar. 0.0338 0.0289 0.0316
07:01-08:00, Fri., 04 Mar. 0.0332 0.0297 0.0316
06:01-07:00, Fri., 04 Mar. 0.0339 0.0293 0.0317
05:01-06:00, Fri., 04 Mar. 0.0334 0.0299 0.0315
04:01-05:00, Fri., 04 Mar. 0.0334 0.0296 0.0314
03:01-04:00, Fri., 04 Mar. 0.0328 0.0291 0.0310
02:01-03:00, Fri., 04 Mar. 0.0329 0.0286 0.0303
01:01-02:00, Fri., 04 Mar. 0.0325 0.0285 0.0303
00:01-01:00, Fri., 04 Mar. 0.0334 0.0280 0.0302
23:01-24:00, Thu., 03 Mar. 0.0321 0.0279 0.0302
22:01-23:00, Thu., 03 Mar. 0.0317 0.0290 0.0302
21:01-22:00, Thu., 03 Mar. 0.0320 0.0279 0.0298
20:01-21:00, Thu., 03 Mar. 0.0320 0.0278 0.0297
19:01-20:00, Thu., 03 Mar. 0.0321 0.0285 0.0299
18:01-19:00, Thu., 03 Mar. 0.0325 0.0273 0.0298
17:01-18:00, Thu., 03 Mar. 0.0323 0.0288 0.0302
16:01-17:00, Thu., 03 Mar. 0.0318 0.0279 0.0302
15:01-16:00, Thu., 03 Mar. 0.0313 0.0281 0.0300
14:01-15:00, Thu., 03 Mar. 0.0322 0.0281 0.0304
13:01-14:00, Thu., 03 Mar. 0.0327 0.0286 0.0307
12:01-13:00, Thu., 03 Mar. 0.0321 0.0292 0.0307
11:01-12:00, Thu., 03 Mar. 0.0333 0.0292 0.0309
10:01-11:00, Thu., 03 Mar. 0.0336 0.0288 0.0313
09:01-10:00, Thu., 03 Mar. 0.0342 0.0294 0.0314
08:01-09:00, Thu., 03 Mar. 0.0341 0.0301 0.0319
07:01-08:00, Thu., 03 Mar. 0.0353 0.0310 0.0327
06:01-07:00, Thu., 03 Mar. 0.0355 0.0299 0.0321
05:01-06:00, Thu., 03 Mar. 0.0355 0.0299 0.0321
04:01-05:00, Thu., 03 Mar. 0.0340 0.0296 0.0318
03:01-04:00, Thu., 03 Mar. 0.0332 0.0296 0.0315
02:01-03:00, Thu., 03 Mar. 0.0338 0.0300 0.0316
01:01-02:00, Thu., 03 Mar. 0.0337 0.0299 0.0315
00:01-01:00, Thu., 03 Mar. 0.0334 0.0289 0.0313
23:01-24:00, Wed., 02 Mar. 0.0332 0.0287 0.0309
22:01-23:00, Wed., 02 Mar. 0.0329 0.0284 0.0308
21:01-22:00, Wed., 02 Mar. 0.0316 0.0289 0.0303
20:01-21:00, Wed., 02 Mar. 0.0316 0.0281 0.0299
19:01-20:00, Wed., 02 Mar. 0.0313 0.0279 0.0297
18:01-19:00, Wed., 02 Mar. 0.0317 0.0277 0.0298
17:01-18:00, Wed., 02 Mar. 0.0316 0.0277 0.0298
16:01-17:00, Wed., 02 Mar. 0.0323 0.0286 0.0301
15:01-16:00, Wed., 02 Mar. 0.0326 0.0275 0.0298
14:01-15:00, Wed., 02 Mar. 0.0314 0.0282 0.0298
13:01-14:00, Wed., 02 Mar. 0.0329 0.0283 0.0298
12:01-13:00, Wed., 02 Mar. 0.0321 0.0284 0.0303
11:01-12:00, Wed., 02 Mar. 0.0317 0.0286 0.0301
10:01-11:00, Wed., 02 Mar. 0.0330 0.0281 0.0305
09:01-10:00, Wed., 02 Mar. 0.0330 0.0293 0.0311
08:01-09:00, Wed., 02 Mar. 0.0337 0.0299 0.0317
07:01-08:00, Wed., 02 Mar. 0.0341 0.0301 0.0325
06:01-07:00, Wed., 02 Mar. 0.0340 0.0289 0.0316
05:01-06:00, Wed., 02 Mar. 0.0325 0.0275 0.0304
04:01-05:00, Wed., 02 Mar. 0.0327 0.0282 0.0304
03:01-04:00, Wed., 02 Mar. 0.0326 0.0282 0.0305
02:01-03:00, Wed., 02 Mar. 0.0320 0.0288 0.0303
01:01-02:00, Wed., 02 Mar. 0.0334 0.0282 0.0301
00:01-01:00, Wed., 02 Mar. 0.0319 0.0280 0.0299
23:01-24:00, Tue., 01 Mar. 0.0318 0.0282 0.0300
22:01-23:00, Tue., 01 Mar. 0.0319 0.0285 0.0298
21:01-22:00, Tue., 01 Mar. 0.0321 0.0283 0.0299
20:01-21:00, Tue., 01 Mar. 0.0317 0.0278 0.0300
19:01-20:00, Tue., 01 Mar. 0.0321 0.0275 0.0298
18:01-19:00, Tue., 01 Mar. 0.0322 0.0278 0.0301
17:01-18:00, Tue., 01 Mar. 0.0320 0.0282 0.0299
16:01-17:00, Tue., 01 Mar. 0.0312 0.0278 0.0296
15:01-16:00, Tue., 01 Mar. 0.0324 0.0275 0.0297
14:01-15:00, Tue., 01 Mar. 0.0323 0.0268 0.0298
13:01-14:00, Tue., 01 Mar. 0.0318 0.0278 0.0299
12:01-13:00, Tue., 01 Mar. 0.0320 0.0284 0.0299
11:01-12:00, Tue., 01 Mar. 0.0321 0.0288 0.0301
10:01-11:00, Tue., 01 Mar. 0.0320 0.0279 0.0304
09:01-10:00, Tue., 01 Mar. 0.0324 0.0283 0.0303
08:01-09:00, Tue., 01 Mar. 0.0325 0.0283 0.0305
07:01-08:00, Tue., 01 Mar. 0.0326 0.0282 0.0304
06:01-07:00, Tue., 01 Mar. 0.0328 0.0292 0.0306
05:01-06:00, Tue., 01 Mar. 0.0330 0.0286 0.0305
04:01-05:00, Tue., 01 Mar. 0.0323 0.0292 0.0307
03:01-04:00, Tue., 01 Mar. 0.0338 0.0291 0.0314
02:01-03:00, Tue., 01 Mar. 0.0354 0.0311 0.0330
01:01-02:00, Tue., 01 Mar. 0.0400 0.0318 0.0365
00:01-01:00, Tue., 01 Mar. 0.0417 0.0295 0.0350
23:01-24:00, Mon., 29 Feb. 0.0319 0.0278 0.0304
22:01-23:00, Mon., 29 Feb. 0.0318 0.0284 0.0304
21:01-22:00, Mon., 29 Feb. 0.0322 0.0288 0.0304
20:01-21:00, Mon., 29 Feb. 0.0326 0.0281 0.0304
19:01-20:00, Mon., 29 Feb. 0.0317 0.0278 0.0304
18:01-19:00, Mon., 29 Feb. 0.0316 0.0276 0.0297
17:01-18:00, Mon., 29 Feb. 0.0330 0.0283 0.0308
16:01-17:00, Mon., 29 Feb. 0.0366 0.0300 0.0333
15:01-16:00, Mon., 29 Feb. 0.0467 0.0346 0.0396
14:01-15:00, Mon., 29 Feb. 0.0460 0.0303 0.0358
13:01-14:00, Mon., 29 Feb. 0.0329 0.0286 0.0311
12:01-13:00, Mon., 29 Feb. 0.0321 0.0276 0.0300
11:01-12:00, Mon., 29 Feb. 0.0325 0.0279 0.0301
10:01-11:00, Mon., 29 Feb. 0.0316 0.0274 0.0299
09:01-10:00, Mon., 29 Feb. 0.0320 0.0286 0.0301
08:01-09:00, Mon., 29 Feb. 0.0324 0.0280 0.0300
07:01-08:00, Mon., 29 Feb. 0.0323 0.0282 0.0301
06:01-07:00, Mon., 29 Feb. 0.0315 0.0280 0.0299
05:01-06:00, Mon., 29 Feb. 0.0319 0.0274 0.0301
04:01-05:00, Mon., 29 Feb. 0.0320 0.0281 0.0297
03:01-04:00, Mon., 29 Feb. 0.0315 0.0282 0.0301
02:01-03:00, Mon., 29 Feb. 0.0314 0.0280 0.0301
01:01-02:00, Mon., 29 Feb. 0.0321 0.0283 0.0306
00:01-01:00, Mon., 29 Feb. 0.0331 0.0289 0.0312