| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.49 | -0.11 |
| Feb | 2.59 | 2.82 | -0.23 |
| Mar | 3.60 | 3.75 | -0.15 |
| Apr | 3.74 | 3.85 | -0.11 |
| May | 3.87 | 4.09 | -0.22 |
| Jun | 4.42 | 4.62 | -0.20 |
| Jul | 4.70 | 4.82 | -0.12 |
| Aug | 4.73 | 4.74 | -0.01 |
| Sep | 4.32 | 4.60 | -0.28 |
| Oct | 4.38 | 4.62 | -0.24 |
| Nov | 3.18 | 3.40 | -0.22 |
| Dec | 4.03 | 4.19 | -0.16 |
46.94 | 48.99 | -2.05 |