| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.49 | -0.02 |
| Feb | 2.02 | 2.05 | -0.03 |
| Mar | 2.64 | 2.66 | -0.02 |
| Apr | 3.78 | 3.68 | 0.10 |
| May | 4.56 | 4.52 | 0.04 |
| Jun | 4.21 | 4.21 | 0.00 |
| Jul | 4.15 | 4.20 | -0.05 |
| Aug | 3.91 | 3.85 | 0.06 |
| Sep | 3.11 | 3.08 | 0.03 |
| Oct | 2.86 | 2.80 | 0.06 |
| Nov | 2.93 | 2.95 | -0.02 |
| Dec | 2.35 | 2.37 | -0.02 |
38.99 | 38.86 | 0.13 |