| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.18 | -0.10 |
| Feb | 2.59 | 2.54 | 0.05 |
| Mar | 3.69 | 3.69 | 0.00 |
| Apr | 4.35 | 4.33 | 0.02 |
| May | 4.52 | 4.66 | -0.14 |
| Jun | 4.65 | 4.60 | 0.05 |
| Jul | 4.18 | 4.18 | 0.00 |
| Aug | 3.23 | 3.15 | 0.08 |
| Sep | 2.97 | 2.90 | 0.07 |
| Oct | 3.06 | 3.04 | 0.02 |
| Nov | 3.01 | 3.02 | -0.01 |
| Dec | 3.25 | 3.23 | 0.02 |
42.58 | 42.52 | 0.06 |