| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.62 | -0.06 |
| Feb | 2.82 | 2.90 | -0.08 |
| Mar | 4.07 | 4.20 | -0.13 |
| Apr | 3.84 | 3.98 | -0.14 |
| May | 4.12 | 4.15 | -0.03 |
| Jun | 4.47 | 4.55 | -0.08 |
| Jul | 5.03 | 5.25 | -0.22 |
| Aug | 4.50 | 4.44 | 0.06 |
| Sep | 4.43 | 4.32 | 0.11 |
| Oct | 4.25 | 4.27 | -0.02 |
| Nov | 3.34 | 3.35 | -0.01 |
| Dec | 4.27 | 4.43 | -0.16 |
48.70 | 49.46 | -0.76 |