| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.62 | -0.20 |
| Feb | 3.31 | 3.42 | -0.11 |
| Mar | 4.22 | 4.50 | -0.28 |
| Apr | 4.10 | 4.15 | -0.05 |
| May | 3.62 | 3.55 | 0.07 |
| Jun | 4.17 | 4.08 | 0.09 |
| Jul | 3.52 | 3.65 | -0.13 |
| Aug | 3.60 | 3.66 | -0.06 |
| Sep | 3.82 | 3.68 | 0.14 |
| Oct | 4.58 | 4.72 | -0.14 |
| Nov | 3.86 | 3.86 | 0.00 |
| Dec | 4.41 | 4.72 | -0.31 |
46.63 | 47.61 | -0.98 |