| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.45 | 0.07 |
| Feb | 1.84 | 1.71 | 0.13 |
| Mar | 2.50 | 2.34 | 0.16 |
| Apr | 3.75 | 3.71 | 0.04 |
| May | 5.21 | 5.28 | -0.07 |
| Jun | 4.97 | 5.20 | -0.23 |
| Jul | 4.33 | 4.28 | 0.05 |
| Aug | 3.68 | 3.62 | 0.06 |
| Sep | 3.80 | 3.61 | 0.19 |
| Oct | 3.07 | 3.05 | 0.02 |
| Nov | 2.46 | 2.33 | 0.13 |
| Dec | 1.82 | 1.70 | 0.12 |
38.95 | 38.28 | 0.67 |