| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.01 | -0.16 |
| Feb | 2.34 | 2.61 | -0.27 |
| Mar | 3.07 | 3.25 | -0.18 |
| Apr | 4.64 | 4.65 | -0.01 |
| May | 4.53 | 4.76 | -0.23 |
| Jun | 5.16 | 5.05 | 0.11 |
| Jul | 4.14 | 4.37 | -0.23 |
| Aug | 3.21 | 3.40 | -0.19 |
| Sep | 3.10 | 3.09 | 0.01 |
| Oct | 3.50 | 3.62 | -0.12 |
| Nov | 3.42 | 3.62 | -0.20 |
| Dec | 2.85 | 2.96 | -0.11 |
42.81 | 44.39 | -1.58 |