| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.38 | 0.00 |
| Feb | 4.11 | 4.23 | -0.12 |
| Mar | 4.62 | 4.63 | -0.01 |
| Apr | 3.55 | 3.67 | -0.12 |
| May | 3.77 | 3.65 | 0.12 |
| Jun | 4.24 | 4.13 | 0.11 |
| Jul | 4.01 | 4.00 | 0.01 |
| Aug | 4.22 | 4.40 | -0.18 |
| Sep | 3.59 | 3.74 | -0.15 |
| Oct | 3.35 | 3.45 | -0.10 |
| Nov | 3.73 | 3.95 | -0.22 |
| Dec | 4.61 | 4.79 | -0.18 |
48.18 | 49.02 | -0.84 |