| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.91 | -0.09 |
| Feb | 2.33 | 2.44 | -0.11 |
| Mar | 3.20 | 3.27 | -0.07 |
| Apr | 4.22 | 4.43 | -0.21 |
| May | 4.48 | 4.59 | -0.11 |
| Jun | 4.88 | 5.05 | -0.17 |
| Jul | 4.08 | 4.14 | -0.06 |
| Aug | 3.28 | 3.08 | 0.20 |
| Sep | 3.31 | 3.23 | 0.08 |
| Oct | 3.28 | 3.18 | 0.10 |
| Nov | 3.36 | 3.44 | -0.08 |
| Dec | 2.78 | 2.86 | -0.08 |
42.02 | 42.62 | -0.60 |