| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.63 | 0.00 |
| Feb | 0.68 | 0.72 | -0.04 |
| Mar | 1.50 | 1.54 | -0.04 |
| Apr | 2.76 | 2.77 | -0.01 |
| May | 4.85 | 4.85 | 0.00 |
| Jun | 4.21 | 4.14 | 0.07 |
| Jul | 3.30 | 3.20 | 0.10 |
| Aug | 3.49 | 3.44 | 0.05 |
| Sep | 2.49 | 2.42 | 0.07 |
| Oct | 2.17 | 2.12 | 0.05 |
| Nov | 1.27 | 1.30 | -0.03 |
| Dec | 0.93 | 0.99 | -0.06 |
28.28 | 28.12 | 0.16 |