| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.98 | -0.11 |
| Feb | 2.36 | 2.45 | -0.09 |
| Mar | 3.27 | 3.34 | -0.07 |
| Apr | 4.27 | 4.45 | -0.18 |
| May | 4.56 | 4.66 | -0.10 |
| Jun | 4.98 | 5.04 | -0.06 |
| Jul | 4.14 | 4.25 | -0.11 |
| Aug | 3.34 | 3.06 | 0.28 |
| Sep | 3.23 | 3.20 | 0.03 |
| Oct | 3.32 | 3.21 | 0.11 |
| Nov | 3.36 | 3.42 | -0.06 |
| Dec | 2.85 | 2.93 | -0.08 |
42.55 | 42.99 | -0.44 |