| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.40 | 0.04 |
| Feb | 1.63 | 1.68 | -0.05 |
| Mar | 2.78 | 2.68 | 0.10 |
| Apr | 3.69 | 3.65 | 0.04 |
| May | 5.35 | 5.29 | 0.06 |
| Jun | 4.55 | 4.52 | 0.03 |
| Jul | 3.26 | 3.28 | -0.02 |
| Aug | 3.14 | 3.16 | -0.02 |
| Sep | 3.78 | 3.80 | -0.02 |
| Oct | 3.46 | 3.36 | 0.10 |
| Nov | 2.13 | 2.13 | 0.00 |
| Dec | 2.12 | 2.04 | 0.08 |
37.33 | 36.99 | 0.34 |