| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.93 | -0.10 |
| Feb | 0.81 | 0.91 | -0.10 |
| Mar | 1.64 | 1.68 | -0.04 |
| Apr | 2.93 | 2.90 | 0.03 |
| May | 4.15 | 4.22 | -0.07 |
| Jun | 4.85 | 5.00 | -0.15 |
| Jul | 4.18 | 4.32 | -0.14 |
| Aug | 4.46 | 4.39 | 0.07 |
| Sep | 3.36 | 3.27 | 0.09 |
| Oct | 2.67 | 2.72 | -0.05 |
| Nov | 1.59 | 1.65 | -0.06 |
| Dec | 1.17 | 1.26 | -0.09 |
32.64 | 33.25 | -0.61 |