| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.79 | 0.00 |
| Feb | 2.23 | 2.24 | -0.01 |
| Mar | 3.11 | 3.10 | 0.01 |
| Apr | 3.92 | 3.91 | 0.01 |
| May | 4.19 | 4.15 | 0.04 |
| Jun | 4.31 | 4.36 | -0.05 |
| Jul | 4.34 | 4.22 | 0.12 |
| Aug | 3.36 | 3.36 | 0.00 |
| Sep | 3.04 | 2.99 | 0.05 |
| Oct | 2.84 | 2.80 | 0.04 |
| Nov | 3.08 | 3.04 | 0.04 |
| Dec | 2.79 | 2.74 | 0.05 |
40.00 | 39.70 | 0.30 |