| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 5.02 | 0.02 |
| Feb | 4.55 | 4.60 | -0.05 |
| Mar | 4.89 | 4.94 | -0.05 |
| Apr | 4.35 | 4.35 | 0.00 |
| May | 3.99 | 4.00 | -0.01 |
| Jun | 4.80 | 4.50 | 0.30 |
| Jul | 4.68 | 4.33 | 0.35 |
| Aug | 5.27 | 5.58 | -0.31 |
| Sep | 4.30 | 4.33 | -0.03 |
| Oct | 3.93 | 4.07 | -0.14 |
| Nov | 4.10 | 4.22 | -0.12 |
| Dec | 5.23 | 5.44 | -0.21 |
55.13 | 55.38 | -0.25 |