| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.64 | -0.12 |
| Feb | 1.45 | 1.28 | 0.17 |
| Mar | 1.21 | 1.21 | 0.00 |
| Apr | 0.56 | 0.51 | 0.05 |
| May | 0.58 | 0.69 | -0.11 |
| Jun | 0.53 | 0.52 | 0.01 |
| Jul | 3.26 | 3.15 | 0.11 |
| Aug | 3.48 | 3.60 | -0.12 |
| Sep | 2.13 | 2.33 | -0.20 |
| Oct | 1.39 | 1.64 | -0.25 |
| Nov | 1.29 | 1.33 | -0.04 |
| Dec | 1.69 | 1.48 | 0.21 |
19.09 | 19.38 | -0.29 |