| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.55 | -0.04 |
| Feb | 2.87 | 2.88 | -0.01 |
| Mar | 4.03 | 3.99 | 0.04 |
| Apr | 3.67 | 3.69 | -0.02 |
| May | 3.82 | 3.96 | -0.14 |
| Jun | 4.52 | 4.30 | 0.22 |
| Jul | 5.26 | 5.31 | -0.05 |
| Aug | 4.98 | 5.18 | -0.20 |
| Sep | 4.89 | 5.00 | -0.11 |
| Oct | 3.98 | 4.26 | -0.28 |
| Nov | 3.07 | 3.08 | -0.01 |
| Dec | 3.61 | 3.65 | -0.04 |
48.21 | 48.85 | -0.64 |