| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.58 | -0.13 |
| Feb | 2.86 | 2.90 | -0.04 |
| Mar | 4.14 | 4.22 | -0.08 |
| Apr | 3.74 | 3.88 | -0.14 |
| May | 4.10 | 4.01 | 0.09 |
| Jun | 4.40 | 4.52 | -0.12 |
| Jul | 4.95 | 4.92 | 0.03 |
| Aug | 4.48 | 4.54 | -0.06 |
| Sep | 4.22 | 4.27 | -0.05 |
| Oct | 4.27 | 4.24 | 0.03 |
| Nov | 3.28 | 3.40 | -0.12 |
| Dec | 4.27 | 4.33 | -0.06 |
48.16 | 48.81 | -0.65 |