| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.28 | -0.07 |
| Feb | 2.59 | 2.67 | -0.08 |
| Mar | 3.71 | 3.77 | -0.06 |
| Apr | 3.69 | 3.65 | 0.04 |
| May | 4.11 | 4.10 | 0.01 |
| Jun | 4.11 | 4.11 | 0.00 |
| Jul | 4.05 | 3.84 | 0.21 |
| Aug | 3.49 | 3.65 | -0.16 |
| Sep | 4.70 | 4.95 | -0.25 |
| Oct | 3.77 | 3.80 | -0.03 |
| Nov | 3.23 | 3.18 | 0.05 |
| Dec | 3.46 | 3.54 | -0.08 |
44.12 | 44.54 | -0.42 |