| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.12 | -0.04 |
| Feb | 2.60 | 2.55 | 0.05 |
| Mar | 3.66 | 3.72 | -0.06 |
| Apr | 3.70 | 3.55 | 0.15 |
| May | 3.78 | 3.95 | -0.17 |
| Jun | 4.11 | 4.19 | -0.08 |
| Jul | 4.40 | 4.50 | -0.10 |
| Aug | 4.03 | 3.88 | 0.15 |
| Sep | 4.46 | 4.64 | -0.18 |
| Oct | 3.96 | 3.93 | 0.03 |
| Nov | 3.16 | 3.07 | 0.09 |
| Dec | 3.44 | 3.52 | -0.08 |
44.38 | 44.62 | -0.24 |