| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.32 | -0.16 |
| Feb | 2.40 | 2.42 | -0.02 |
| Mar | 3.12 | 3.06 | 0.06 |
| Apr | 3.80 | 3.85 | -0.05 |
| May | 3.78 | 3.68 | 0.10 |
| Jun | 4.44 | 4.27 | 0.17 |
| Jul | 4.30 | 4.40 | -0.10 |
| Aug | 3.82 | 3.72 | 0.10 |
| Sep | 4.16 | 4.12 | 0.04 |
| Oct | 4.20 | 4.20 | 0.00 |
| Nov | 3.58 | 3.59 | -0.01 |
| Dec | 3.50 | 3.57 | -0.07 |
44.26 | 44.20 | 0.06 |