| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.75 | 4.81 | -0.06 |
| Feb | 4.80 | 4.91 | -0.11 |
| Mar | 4.92 | 5.00 | -0.08 |
| Apr | 4.13 | 4.35 | -0.22 |
| May | 3.98 | 3.98 | 0.00 |
| Jun | 4.24 | 4.14 | 0.10 |
| Jul | 4.89 | 4.79 | 0.10 |
| Aug | 4.04 | 4.10 | -0.06 |
| Sep | 3.94 | 4.05 | -0.11 |
| Oct | 3.44 | 3.45 | -0.01 |
| Nov | 4.17 | 4.28 | -0.11 |
| Dec | 4.68 | 4.74 | -0.06 |
51.98 | 52.60 | -0.62 |