| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.64 | -0.18 |
| Feb | 2.02 | 2.12 | -0.10 |
| Mar | 2.75 | 2.77 | -0.02 |
| Apr | 3.88 | 3.87 | 0.01 |
| May | 4.30 | 4.36 | -0.06 |
| Jun | 4.91 | 4.88 | 0.03 |
| Jul | 4.46 | 4.52 | -0.06 |
| Aug | 3.63 | 3.48 | 0.15 |
| Sep | 3.00 | 2.99 | 0.01 |
| Oct | 3.08 | 3.05 | 0.03 |
| Nov | 2.98 | 3.06 | -0.08 |
| Dec | 2.46 | 2.49 | -0.03 |
39.93 | 40.23 | -0.30 |