| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.75 | 0.03 |
| Feb | 4.91 | 4.94 | -0.03 |
| Mar | 5.15 | 5.11 | 0.04 |
| Apr | 4.17 | 4.19 | -0.02 |
| May | 4.02 | 3.90 | 0.12 |
| Jun | 4.60 | 4.68 | -0.08 |
| Jul | 4.58 | 4.84 | -0.26 |
| Aug | 4.09 | 4.20 | -0.11 |
| Sep | 3.70 | 3.58 | 0.12 |
| Oct | 2.98 | 2.98 | 0.00 |
| Nov | 3.81 | 3.96 | -0.15 |
| Dec | 5.04 | 5.07 | -0.03 |
51.83 | 52.20 | -0.37 |