| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.64 | 0.04 |
| Feb | 4.66 | 4.61 | 0.05 |
| Mar | 4.98 | 5.21 | -0.23 |
| Apr | 4.22 | 4.49 | -0.27 |
| May | 3.32 | 3.49 | -0.17 |
| Jun | 4.38 | 4.46 | -0.08 |
| Jul | 4.64 | 5.14 | -0.50 |
| Aug | 4.64 | 4.52 | 0.12 |
| Sep | 3.81 | 3.55 | 0.26 |
| Oct | 3.06 | 3.19 | -0.13 |
| Nov | 3.88 | 3.99 | -0.11 |
| Dec | 5.09 | 5.06 | 0.03 |
51.36 | 52.35 | -0.99 |