| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.38 | 2.44 | -0.06 |
| Feb | 1.84 | 1.92 | -0.08 |
| Mar | 2.37 | 2.52 | -0.15 |
| Apr | 3.65 | 3.76 | -0.11 |
| May | 4.25 | 4.42 | -0.17 |
| Jun | 4.32 | 4.29 | 0.03 |
| Jul | 3.88 | 3.78 | 0.10 |
| Aug | 4.09 | 3.80 | 0.29 |
| Sep | 2.92 | 3.02 | -0.10 |
| Oct | 2.90 | 2.84 | 0.06 |
| Nov | 2.93 | 2.93 | 0.00 |
| Dec | 2.31 | 2.33 | -0.02 |
37.84 | 38.05 | -0.21 |