| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 2.10 | -0.19 |
| Feb | 1.75 | 1.80 | -0.05 |
| Mar | 1.46 | 1.49 | -0.03 |
| Apr | 1.33 | 1.24 | 0.09 |
| May | 1.22 | 1.37 | -0.15 |
| Jun | 0.66 | 0.83 | -0.17 |
| Jul | 1.73 | 2.18 | -0.45 |
| Aug | 2.31 | 2.65 | -0.34 |
| Sep | 2.08 | 2.29 | -0.21 |
| Oct | 1.76 | 1.81 | -0.05 |
| Nov | 1.53 | 1.73 | -0.20 |
| Dec | 1.76 | 1.83 | -0.07 |
19.50 | 21.32 | -1.82 |