| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.90 | -0.14 |
| Feb | 3.31 | 3.36 | -0.05 |
| Mar | 4.15 | 4.30 | -0.15 |
| Apr | 3.99 | 4.17 | -0.18 |
| May | 3.77 | 4.01 | -0.24 |
| Jun | 4.38 | 4.45 | -0.07 |
| Jul | 3.98 | 4.19 | -0.21 |
| Aug | 4.37 | 4.50 | -0.13 |
| Sep | 4.06 | 4.08 | -0.02 |
| Oct | 3.45 | 3.53 | -0.08 |
| Nov | 3.48 | 3.56 | -0.08 |
| Dec | 3.84 | 4.10 | -0.26 |
46.54 | 48.15 | -1.61 |