| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.63 | -0.40 |
| Feb | 1.90 | 2.00 | -0.10 |
| Mar | 2.23 | 2.21 | 0.02 |
| Apr | 3.55 | 3.56 | -0.01 |
| May | 3.58 | 3.53 | 0.05 |
| Jun | 3.43 | 3.17 | 0.26 |
| Jul | 3.10 | 2.80 | 0.30 |
| Aug | 3.13 | 3.11 | 0.02 |
| Sep | 3.00 | 3.14 | -0.14 |
| Oct | 3.91 | 3.77 | 0.14 |
| Nov | 2.91 | 2.96 | -0.05 |
| Dec | 2.32 | 2.64 | -0.32 |
35.29 | 35.52 | -0.23 |