| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 5.03 | 0.01 |
| Feb | 4.55 | 4.60 | -0.05 |
| Mar | 4.89 | 4.94 | -0.05 |
| Apr | 4.35 | 4.35 | 0.00 |
| May | 3.99 | 4.02 | -0.03 |
| Jun | 4.80 | 4.52 | 0.28 |
| Jul | 4.68 | 4.37 | 0.31 |
| Aug | 5.27 | 5.57 | -0.30 |
| Sep | 4.30 | 4.33 | -0.03 |
| Oct | 3.93 | 4.09 | -0.16 |
| Nov | 4.10 | 4.21 | -0.11 |
| Dec | 5.23 | 5.42 | -0.19 |
55.13 | 55.45 | -0.32 |