| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.78 | -0.14 |
| Feb | 3.06 | 3.18 | -0.12 |
| Mar | 3.68 | 3.87 | -0.19 |
| Apr | 3.28 | 3.46 | -0.18 |
| May | 3.46 | 3.37 | 0.09 |
| Jun | 4.08 | 4.16 | -0.08 |
| Jul | 3.88 | 4.20 | -0.32 |
| Aug | 4.25 | 4.52 | -0.27 |
| Sep | 3.83 | 4.16 | -0.33 |
| Oct | 3.21 | 3.37 | -0.16 |
| Nov | 3.16 | 3.26 | -0.10 |
| Dec | 3.46 | 3.80 | -0.34 |
42.99 | 45.13 | -2.14 |