| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.82 | -0.08 |
| Feb | 3.21 | 3.41 | -0.20 |
| Mar | 3.80 | 4.01 | -0.21 |
| Apr | 4.24 | 4.13 | 0.11 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.74 | 4.99 | -0.25 |
| Jul | 4.31 | 4.48 | -0.17 |
| Aug | 4.15 | 4.42 | -0.27 |
| Sep | 4.02 | 4.13 | -0.11 |
| Oct | 5.12 | 5.30 | -0.18 |
| Nov | 3.89 | 4.01 | -0.12 |
| Dec | 4.56 | 4.64 | -0.08 |
49.92 | 51.58 | -1.66 |