| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.52 | 0.10 |
| Feb | 1.98 | 1.82 | 0.16 |
| Mar | 2.64 | 2.71 | -0.07 |
| Apr | 3.28 | 3.27 | 0.01 |
| May | 3.50 | 3.67 | -0.17 |
| Jun | 4.07 | 3.91 | 0.16 |
| Jul | 4.02 | 3.81 | 0.21 |
| Aug | 3.84 | 3.77 | 0.07 |
| Sep | 3.85 | 3.84 | 0.01 |
| Oct | 3.80 | 3.83 | -0.03 |
| Nov | 2.94 | 3.16 | -0.22 |
| Dec | 2.80 | 2.95 | -0.15 |
39.34 | 39.26 | 0.08 |