| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.68 | -0.15 |
| Feb | 3.16 | 3.32 | -0.16 |
| Mar | 4.23 | 4.37 | -0.14 |
| Apr | 4.31 | 4.50 | -0.19 |
| May | 3.91 | 3.86 | 0.05 |
| Jun | 4.25 | 4.20 | 0.05 |
| Jul | 3.77 | 3.72 | 0.05 |
| Aug | 3.82 | 4.13 | -0.31 |
| Sep | 4.53 | 4.30 | 0.23 |
| Oct | 4.44 | 4.68 | -0.24 |
| Nov | 3.72 | 3.76 | -0.04 |
| Dec | 4.44 | 4.53 | -0.09 |
48.11 | 49.05 | -0.94 |