| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.40 | 0.08 |
| Feb | 2.76 | 2.80 | -0.04 |
| Mar | 4.11 | 4.02 | 0.09 |
| Apr | 3.88 | 3.72 | 0.16 |
| May | 4.05 | 3.94 | 0.11 |
| Jun | 4.33 | 4.17 | 0.16 |
| Jul | 4.83 | 4.71 | 0.12 |
| Aug | 4.68 | 4.60 | 0.08 |
| Sep | 4.53 | 4.52 | 0.01 |
| Oct | 4.19 | 4.25 | -0.06 |
| Nov | 3.35 | 3.29 | 0.06 |
| Dec | 4.35 | 4.35 | 0.00 |
48.54 | 47.77 | 0.77 |