| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.75 | 0.00 |
| Feb | 2.27 | 2.34 | -0.07 |
| Mar | 3.14 | 3.16 | -0.02 |
| Apr | 3.96 | 3.91 | 0.05 |
| May | 4.36 | 4.25 | 0.11 |
| Jun | 4.62 | 4.43 | 0.19 |
| Jul | 4.14 | 4.12 | 0.02 |
| Aug | 3.87 | 3.91 | -0.04 |
| Sep | 3.06 | 3.29 | -0.23 |
| Oct | 2.99 | 2.90 | 0.09 |
| Nov | 3.17 | 3.20 | -0.03 |
| Dec | 2.59 | 2.68 | -0.09 |
40.92 | 40.94 | -0.02 |