Table 3. Summary of absolute, mean degree-based annual indices of heat (1991–2018).
| Full Year | Heat Season (May—September) | |||||
|---|---|---|---|---|---|---|
| Temperature | Heat Index | WBGT | Temperature | Heat Index | WBGT | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Installation | (°F /°C) | (°F /°C) | (°F /°C) | (°F /°C) | (°F /°C) | (°F /°C) |
| Fort Bliss, TX | 65.67 (0.87) | 63.3 (0.83) | 56.23 (0.78) | 80.48 (1.21) | 78.46 (1.04) | 67.96 (0.81) |
| 18.7 (0.48) | 17.39 (0.46) | 13.46 (0.43) | 26.93 (0.67) | 25.81 (0.58) | 19.98 (0.45) | |
| Fort Benning, GA | 66.3 (1.08) | 67.02 (1.18) | 63.71 (1) | 79.64 (1.39) | 82.53 (1.69) | 76.43 (0.96) |
| 19.05 (0.6) | 19.45 (0.66) | 17.61 (0.55) | 26.47 (0.77) | 28.07 (0.94) | 24.68 (0.53) | |
| Fort Bragg, NC | 62.52 (1.19) | 62.85 (1.24) | 60.19 (1) | 77.14 (1.71) | 79.27 (1.91) | 74.26 (1.2) |
| 16.95 (0.66) | 17.14 (0.69) | 15.66 (0.56) | 25.08 (0.95) | 26.26 (1.06) | 23.48 (0.67) | |
| Fort Campbell, KY | 59.02 (1.31) | 59.36 (1.39) | 57.15 (1.13) | 74.82 (1.6) | 76.84 (1.94) | 72.64 (1.26) |
| 15.01 (0.73) | 15.2 (0.77) | 13.97 (0.63) | 23.79 (0.89) | 24.91 (1.08) | 22.58 (0.7) | |
| Fort Hood, TX | 69.41 (1.27) | 69.66 (1.15) | 64.55 (0.84) | 83.7 (1.91) | 85.58 (1.57) | 76.84 (0.65) |
| 20.79 (0.71) | 20.92 (0.64) | 18.08 (0.47) | 28.72 (1.06) | 29.77 (0.87) | 24.91 (0.36) | |
| Fort Jackson, SC | 63.59 (1.12) | 64.1 (1.2) | 61.56 (1) | 77.96 (1.63) | 80.35 (1.77) | 75.3 (1.05) |
| 17.55 (0.62) | 17.83 (0.66) | 16.42 (0.56) | 25.53 (0.91) | 26.86 (0.99) | 24.05 (0.59) | |
| Fort Leonard Wood, MO | 56.51 (1.51) | 56.58 (1.49) | 54.53 (1.19) | 73.28 (1.88) | 74.69 (2.02) | 70.81 (1.34) |
| 13.62 (0.84) | 13.66 (0.83) | 12.52 (0.66) | 22.93 (1.05) | 23.72 (1.12) | 21.56 (0.74) | |
| Fort Polk, LA | 67.11 (1) | 68.25 (1.04) | 64.91 (0.89) | 79.81 (1.65) | 83.2 (1.66) | 77.1 (0.84) |
| 19.51 (0.56) | 20.14 (0.58) | 18.28 (0.5) | 26.56 (0.92) | 28.45 (0.92) | 25.05 (0.47) | |
| Fort Riley, KS | 55.93 (1.82) | 55.59 (1.7) | 52.68 (1.28) | 74.85 (2.27) | 75.5 (2.11) | 70.19 (1.22) |
| 13.29 (1.01) | 13.11 (0.94) | 11.49 (0.71) | 23.8 (1.26) | 24.16 (1.17) | 21.22 (0.68) | |
| Fort Stewart, GA | 67.82 (0.95) | 69.04 (1.11) | 65.84 (1.01) | 79.7 (1.01) | 83.25 (1.36) | 77.29 (0.83) |
| 19.9 (0.53) | 20.58 (0.62) | 18.8 (0.56) | 26.5 (0.56) | 28.47 (0.75) | 25.16 (0.46) | |
Shaded cells indicate a positive linear regression slope at α = 0.05, i.e. a warming trend.