| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.97 | -0.15 |
| Feb | 0.82 | 0.91 | -0.09 |
| Mar | 1.65 | 1.70 | -0.05 |
| Apr | 2.91 | 3.09 | -0.18 |
| May | 4.19 | 4.27 | -0.08 |
| Jun | 4.90 | 5.00 | -0.10 |
| Jul | 4.18 | 4.22 | -0.04 |
| Aug | 4.50 | 4.50 | 0.00 |
| Sep | 3.35 | 3.35 | 0.00 |
| Oct | 2.75 | 2.95 | -0.20 |
| Nov | 1.65 | 1.73 | -0.08 |
| Dec | 1.16 | 1.31 | -0.15 |
32.88 | 34.00 | -1.12 |