Table: county_tiers_and_metrics_12_08_20
county date_of_tier_assessment ending_date_of_week_of_data_11_22_20_to_11_28_20 final_tier_assignment_on_12_08_20 previous_tier_assignment_11_30_20_assessment first_date_in_current_tier school_reopening_status_as_of_12_07_20 tier_for_week_11_22_20_to_11_28_20_12_07_20_assessment test_positivity_excl_prisons_7_day_7_day_lag case_rate_used_for_tier_adjusted_using_linear_adjustment_7_day_ unadjusted_case_rate_per_100_000_excl_prisons_7_day_avg_7_day_l linear_adjustment_factor_applied_to_case_rate_gt_state_avg_plus tests_per_100_000_excl_prisons_with_replaced_approved_county_da population health_equity_quartile_test_positivity_excl_prison_cases_7_day_
Alameda 12-07-2020 11-28-2020 1 1 10-12-2020 May Not Reopen 1 4.9 15.7 17.2 0.916 423.4 1685886 6.9
Alpine 12-07-2020 11-28-2020 2 2 08-31-2020 May Reopen 1 4.4 63.9 63.9 - 575.5 1117 -
Amador* 12-07-2020 11-28-2020 1 2 11-09-2020 May Reopen 1 4.5 19.7 19.7 - 391.2 38531 -
Butte 12-07-2020 11-28-2020 1 1 10-19-2020 May Not Reopen 1 6.5 21.5 22.0 0.979 377.5 217769 7.0
Calaveras 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 9.3 24.5 24.5 - 286.8 44289 -
Colusa 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 15.1 37.9 37.9 - 264.3 22593 -
Contra Costa 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 5.2 16.2 17.9 0.904 432.2 1160099 8.7
Del Norte 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 4.3 27.0 27.0 - 611.7 27558 -
El Dorado 12-07-2020 11-28-2020 1 1 09-21-2020 May Not Reopen 1 12.1 36.2 33.9 1.069 299.8 193098 14.5
Fresno 12-07-2020 11-28-2020 1 1 09-28-2020 May Not Reopen 1 11.3 23.6 22.2 1.063 305.3 1032227 11.5
Glenn 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 15.9 42.8 42.8 - 339.3 29348 -
Humboldt 12-07-2020 11-28-2020 1 1 10-05-2020 May Not Reopen 1 4.0 12.3 11.4 1.075 294.2 134098 3.8
Imperial 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 20.3 40.6 34.9 1.165 212.7 191649 18.3
Inyo 12-07-2020 11-28-2020 2 2 10-05-2020 May Reopen 1 6.1 17.0 17.0 - 216.8 18453 -
Kern 12-07-2020 11-28-2020 1 1 10-12-2020 May Not Reopen 1 15.3 40.3 37.0 1.087 283.4 927251 19.7
Kings 12-07-2020 11-28-2020 1 1 10-12-2020 May Not Reopen 1 9.7 28.8 31.8 0.906 430.7 156444 8.8
Lake 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 8.4 18.7 18.7 - 303.5 64871 -
Lassen 12-07-2020 11-28-2020 1 1 09-21-2020 May Not Reopen 1 10.0 69.8 69.8 - 673.3 30065 -
Los Angeles 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 8.7 26.9 41.8 0.642 621.6 10257557 13.9
Madera 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 12.5 29.1 25.9 1.124 250.1 160089 16.6
Marin* 12-07-2020 11-28-2020 1 2 10-26-2020 May Reopen 1 2.2 8.1 10.5 0.766 532.2 260800 3.1
Mariposa 12-07-2020 11-28-2020 2 2 09-21-2020 May Reopen 1 2.5 12.0 12.0 - 491.3 17795 -
Mendocino 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 7.6 18.1 18.1 - 359.6 88439 -
Merced 12-07-2020 11-28-2020 1 1 10-05-2020 May Not Reopen 1 12.3 37.0 36.2 1.023 341.4 287420 9.5
Modoc 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 23.2 30.2 30.2 - 104.0 9475 -
Mono 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 14.2 40.9 40.9 - 339.7 13961 -
Monterey 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 11.6 36.7 37.2 0.987 371.6 448732 15.1
Napa 12-07-2020 11-28-2020 1 1 10-19-2020 May Not Reopen 1 6.0 20.7 31.0 0.667 604.1 139652 10.9
Nevada 12-07-2020 11-28-2020 1 1 09-21-2020 May Not Reopen 1 10.0 40.5 40.5 - 343.0 98710 -
Orange 12-07-2020 11-28-2020 1 1 09-07-2020 May Not Reopen 1 10.6 30.3 30.3 1.000 362.5 3228519 16.2
Placer 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 10.7 31.0 29.8 1.040 326.5 400434 12.2
Plumas 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 6.0 17.3 17.3 - 373.0 18997 -
Riverside 12-07-2020 11-28-2020 1 1 10-19-2020 May Not Reopen 1 14.8 47.8 49.0 0.977 379.1 2468145 17.7
Sacramento 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 10.3 31.6 30.5 1.037 328.5 1567975 13.7
San Benito 12-07-2020 11-28-2020 1 1 10-12-2020 May Not Reopen 1 8.4 28.6 28.6 - 387.6 64022 -
San Bernardino 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 16.9 54.2 61.1 0.888 443.5 2217398 20.6
San Diego 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 1.5 27.0 32.9 0.822 491.6 3370418 13.2
San Francisco 12-07-2020 11-28-2020 1 1 10-19-2020 May Not Reopen 1 2.2 7.2 14.4 0.500 734.6 892280 3.9
San Joaquin 12-07-2020 11-28-2020 1 1 09-28-2020 May Not Reopen 1 10.8 27.3 24.4 1.121 252.6 782545 11.9
San Luis Obispo 12-07-2020 11-28-2020 1 1 09-21-2020 May Not Reopen 1 4.8 16.3 18.8 0.868 457.9 278862 4.2
San Mateo 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 3.8 11.6 18.5 0.628 632.2 778001 7.4
Santa Barbara 12-07-2020 11-28-2020 1 1 09-28-2020 May Not Reopen 1 4.6 14.4 14.1 1.017 346.6 456373 6.2
Santa Clara 12-07-2020 11-28-2020 1 1 10-12-2020 May Not Reopen 1 4.9 16.7 23.8 0.702 578.0 1967585 9.7
Santa Cruz 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 5.6 20.9 24.7 0.844 475.1 273999 10.8
Shasta 12-07-2020 11-28-2020 1 1 10-26-2020 May Not Reopen 1 9.7 41.6 40.8 1.021 343.8 177925 9.8
Sierra 12-07-2020 11-28-2020 3 3 10-12-2020 May Reopen 2 1.3 4.6 4.6 - 362.3 3115 -
Siskiyou 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 17.4 30.6 30.6 - 238.9 43956 -
Solano 12-07-2020 11-28-2020 1 1 09-21-2020 May Not Reopen 1 7.0 21.1 21.6 0.976 379.6 444255 7.1
Sonoma 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 5.7 17.9 19.6 0.911 426.8 496668 8.2
Stanislaus 12-07-2020 11-28-2020 1 1 10-05-2020 May Not Reopen 1 12.7 32.2 30.9 1.039 326.6 562303 13.3
Sutter 12-07-2020 11-28-2020 1 1 10-12-2020 May Not Reopen 1 21.1 70.9 70.9 - 400.8 105747 -
Tehama 12-07-2020 11-28-2020 1 1 10-05-2020 May Not Reopen 1 13.3 41.2 41.2 - 297.7 65885 -
Trinity 12-07-2020 11-28-2020 1 1 11-09-2020 May Not Reopen 1 12.4 17.1 17.1 - 199.0 13354 -
Tulare 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 12.4 36.7 35.5 1.033 332.7 484423 15.0
Tuolumne 12-07-2020 11-28-2020 1 1 08-31-2020 May Not Reopen 1 12.6 36.6 36.6 - 555.0 52351 -
Ventura 12-07-2020 11-28-2020 1 1 10-05-2020 May Not Reopen 1 7.8 25.6 34.2 0.747 545.5 852747 11.6
Yolo 12-07-2020 11-28-2020 1 1 09-28-2020 May Not Reopen 1 10.4 27.2 26.0 1.045 321.9 223612 11.4
Yuba 12-07-2020 11-28-2020 1 1 10-05-2020 May Not Reopen 1 17.7 46.3 46.3 - 324.7 79290 -