| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.65 | 0.00 |
| Feb | 2.22 | 2.22 | 0.00 |
| Mar | 2.36 | 2.35 | 0.01 |
| Apr | 3.57 | 3.52 | 0.05 |
| May | 4.19 | 4.19 | 0.00 |
| Jun | 4.16 | 4.16 | 0.00 |
| Jul | 3.94 | 4.04 | -0.10 |
| Aug | 4.06 | 3.92 | 0.14 |
| Sep | 3.42 | 3.37 | 0.05 |
| Oct | 3.66 | 3.55 | 0.11 |
| Nov | 2.87 | 2.83 | 0.04 |
| Dec | 2.50 | 2.40 | 0.10 |
39.60 | 39.20 | 0.40 |