| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.56 | -0.09 |
| Feb | 2.84 | 2.92 | -0.08 |
| Mar | 4.30 | 4.33 | -0.03 |
| Apr | 3.70 | 3.72 | -0.02 |
| May | 3.79 | 3.92 | -0.13 |
| Jun | 4.29 | 4.44 | -0.15 |
| Jul | 4.61 | 4.57 | 0.04 |
| Aug | 4.31 | 4.56 | -0.25 |
| Sep | 4.92 | 4.98 | -0.06 |
| Oct | 4.26 | 4.45 | -0.19 |
| Nov | 3.37 | 3.27 | 0.10 |
| Dec | 4.14 | 4.39 | -0.25 |
48.00 | 49.11 | -1.11 |