| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.94 | -0.24 |
| Feb | 2.51 | 2.65 | -0.14 |
| Mar | 2.99 | 3.11 | -0.12 |
| Apr | 3.23 | 3.50 | -0.27 |
| May | 4.37 | 4.22 | 0.15 |
| Jun | 4.95 | 4.81 | 0.14 |
| Jul | 3.99 | 3.99 | 0.00 |
| Aug | 4.62 | 4.64 | -0.02 |
| Sep | 6.01 | 5.68 | 0.33 |
| Oct | 4.59 | 4.64 | -0.05 |
| Nov | 3.88 | 4.11 | -0.23 |
| Dec | 3.52 | 3.97 | -0.45 |
48.36 | 49.26 | -0.90 |