| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.84 | -0.10 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.54 | 1.60 | -0.06 |
| Apr | 2.86 | 3.01 | -0.15 |
| May | 4.15 | 4.34 | -0.19 |
| Jun | 4.45 | 4.50 | -0.05 |
| Jul | 4.25 | 4.22 | 0.03 |
| Aug | 4.22 | 4.18 | 0.04 |
| Sep | 3.22 | 3.20 | 0.02 |
| Oct | 2.84 | 2.72 | 0.12 |
| Nov | 1.58 | 1.66 | -0.08 |
| Dec | 1.05 | 1.22 | -0.17 |
31.68 | 32.36 | -0.68 |