| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.37 | -0.07 |
| Feb | 2.81 | 2.91 | -0.10 |
| Mar | 3.95 | 4.07 | -0.12 |
| Apr | 3.38 | 3.47 | -0.09 |
| May | 3.61 | 3.72 | -0.11 |
| Jun | 4.02 | 4.08 | -0.06 |
| Jul | 4.50 | 4.62 | -0.12 |
| Aug | 4.60 | 4.83 | -0.23 |
| Sep | 4.02 | 4.28 | -0.26 |
| Oct | 3.91 | 4.11 | -0.20 |
| Nov | 3.09 | 3.09 | 0.00 |
| Dec | 3.52 | 3.80 | -0.28 |
44.71 | 46.35 | -1.64 |