| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 2.99 | -0.14 |
| Feb | 2.40 | 2.49 | -0.09 |
| Mar | 3.21 | 3.40 | -0.19 |
| Apr | 4.26 | 4.42 | -0.16 |
| May | 4.63 | 4.80 | -0.17 |
| Jun | 5.04 | 5.13 | -0.09 |
| Jul | 4.23 | 4.35 | -0.12 |
| Aug | 3.45 | 3.20 | 0.25 |
| Sep | 3.30 | 3.41 | -0.11 |
| Oct | 3.24 | 3.25 | -0.01 |
| Nov | 3.40 | 3.45 | -0.05 |
| Dec | 2.91 | 2.99 | -0.08 |
42.92 | 43.88 | -0.96 |