| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.55 | -0.10 |
| Feb | 2.86 | 2.88 | -0.02 |
| Mar | 4.14 | 4.19 | -0.05 |
| Apr | 3.74 | 3.83 | -0.09 |
| May | 4.10 | 3.99 | 0.11 |
| Jun | 4.40 | 4.49 | -0.09 |
| Jul | 4.95 | 4.95 | 0.00 |
| Aug | 4.48 | 4.54 | -0.06 |
| Sep | 4.22 | 4.25 | -0.03 |
| Oct | 4.27 | 4.20 | 0.07 |
| Nov | 3.28 | 3.35 | -0.07 |
| Dec | 4.27 | 4.31 | -0.04 |
48.16 | 48.53 | -0.37 |