| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.04 | -0.06 |
| Feb | 2.67 | 2.84 | -0.17 |
| Mar | 3.83 | 3.86 | -0.03 |
| Apr | 3.33 | 3.35 | -0.02 |
| May | 3.99 | 4.19 | -0.20 |
| Jun | 4.29 | 4.31 | -0.02 |
| Jul | 4.46 | 4.35 | 0.11 |
| Aug | 4.16 | 4.26 | -0.10 |
| Sep | 4.46 | 4.35 | 0.11 |
| Oct | 3.65 | 3.94 | -0.29 |
| Nov | 3.10 | 3.26 | -0.16 |
| Dec | 3.60 | 3.75 | -0.15 |
44.52 | 45.50 | -0.98 |