| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.65 | -0.37 |
| Feb | 2.91 | 3.06 | -0.15 |
| Mar | 4.18 | 4.18 | 0.00 |
| Apr | 3.75 | 3.90 | -0.15 |
| May | 3.40 | 3.45 | -0.05 |
| Jun | 3.99 | 3.96 | 0.03 |
| Jul | 3.65 | 3.46 | 0.19 |
| Aug | 4.12 | 3.96 | 0.16 |
| Sep | 3.89 | 3.77 | 0.12 |
| Oct | 3.95 | 4.10 | -0.15 |
| Nov | 3.30 | 3.30 | 0.00 |
| Dec | 4.22 | 4.42 | -0.20 |
44.64 | 45.21 | -0.57 |