| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.35 | -0.22 |
| Feb | 2.74 | 2.94 | -0.20 |
| Mar | 3.55 | 3.83 | -0.28 |
| Apr | 3.66 | 3.90 | -0.24 |
| May | 3.50 | 3.64 | -0.14 |
| Jun | 4.23 | 4.47 | -0.24 |
| Jul | 4.12 | 4.10 | 0.02 |
| Aug | 3.99 | 4.14 | -0.15 |
| Sep | 4.15 | 4.43 | -0.28 |
| Oct | 4.39 | 4.64 | -0.25 |
| Nov | 3.43 | 3.60 | -0.17 |
| Dec | 3.96 | 4.22 | -0.26 |
44.85 | 47.26 | -2.41 |