| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.89 | -0.01 |
| Feb | 0.96 | 0.96 | 0.00 |
| Mar | 1.85 | 1.80 | 0.05 |
| Apr | 3.22 | 2.94 | 0.28 |
| May | 4.40 | 4.33 | 0.07 |
| Jun | 5.44 | 5.18 | 0.26 |
| Jul | 4.51 | 4.40 | 0.11 |
| Aug | 4.64 | 4.55 | 0.09 |
| Sep | 3.61 | 3.48 | 0.13 |
| Oct | 2.57 | 2.45 | 0.12 |
| Nov | 1.65 | 1.62 | 0.03 |
| Dec | 1.17 | 1.18 | -0.01 |
34.90 | 33.78 | 1.12 |