| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.68 | -0.03 |
| Feb | 3.77 | 3.95 | -0.18 |
| Mar | 5.16 | 5.25 | -0.09 |
| Apr | 5.43 | 5.35 | 0.08 |
| May | 5.52 | 5.58 | -0.06 |
| Jun | 3.58 | 3.65 | -0.07 |
| Jul | 3.81 | 3.78 | 0.03 |
| Aug | 3.68 | 4.08 | -0.40 |
| Sep | 3.60 | 3.46 | 0.14 |
| Oct | 4.13 | 4.12 | 0.01 |
| Nov | 5.00 | 5.11 | -0.11 |
| Dec | 4.65 | 4.83 | -0.18 |
51.98 | 52.84 | -0.86 |