| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.42 | 0.20 |
| Feb | 4.11 | 3.95 | 0.16 |
| Mar | 4.73 | 4.68 | 0.05 |
| Apr | 4.35 | 4.17 | 0.18 |
| May | 4.23 | 4.24 | -0.01 |
| Jun | 4.43 | 4.37 | 0.06 |
| Jul | 4.58 | 4.64 | -0.06 |
| Aug | 5.00 | 5.17 | -0.17 |
| Sep | 4.40 | 4.20 | 0.20 |
| Oct | 3.85 | 3.77 | 0.08 |
| Nov | 4.10 | 4.12 | -0.02 |
| Dec | 4.98 | 4.89 | 0.09 |
53.38 | 52.62 | 0.76 |