| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.77 | -0.15 |
| Feb | 2.15 | 2.23 | -0.08 |
| Mar | 2.88 | 3.04 | -0.16 |
| Apr | 3.59 | 3.67 | -0.08 |
| May | 3.80 | 3.95 | -0.15 |
| Jun | 4.19 | 4.18 | 0.01 |
| Jul | 4.01 | 4.11 | -0.10 |
| Aug | 3.60 | 3.63 | -0.03 |
| Sep | 3.68 | 3.69 | -0.01 |
| Oct | 3.25 | 3.27 | -0.02 |
| Nov | 2.92 | 2.87 | 0.05 |
| Dec | 2.84 | 2.94 | -0.10 |
39.53 | 40.35 | -0.82 |