| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 2.98 | -0.06 |
| Feb | 2.28 | 2.36 | -0.08 |
| Mar | 3.22 | 3.35 | -0.13 |
| Apr | 3.91 | 3.91 | 0.00 |
| May | 4.31 | 4.19 | 0.12 |
| Jun | 4.68 | 4.69 | -0.01 |
| Jul | 4.46 | 4.34 | 0.12 |
| Aug | 3.67 | 3.52 | 0.15 |
| Sep | 3.31 | 3.25 | 0.06 |
| Oct | 2.91 | 2.89 | 0.02 |
| Nov | 2.93 | 2.88 | 0.05 |
| Dec | 2.98 | 3.04 | -0.06 |
41.58 | 41.40 | 0.18 |