| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.66 | -0.01 |
| Feb | 0.80 | 0.85 | -0.05 |
| Mar | 1.51 | 1.61 | -0.10 |
| Apr | 3.11 | 3.30 | -0.19 |
| May | 4.23 | 4.26 | -0.03 |
| Jun | 4.58 | 4.69 | -0.11 |
| Jul | 3.17 | 3.28 | -0.11 |
| Aug | 3.90 | 3.82 | 0.08 |
| Sep | 3.09 | 3.13 | -0.04 |
| Oct | 2.25 | 2.26 | -0.01 |
| Nov | 1.27 | 1.35 | -0.08 |
| Dec | 0.96 | 1.00 | -0.04 |
29.52 | 30.21 | -0.69 |