| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.52 | 0.02 |
| Feb | 1.58 | 1.54 | 0.04 |
| Mar | 2.05 | 2.09 | -0.04 |
| Apr | 3.54 | 3.67 | -0.13 |
| May | 4.25 | 4.11 | 0.14 |
| Jun | 5.29 | 5.35 | -0.06 |
| Jul | 3.82 | 3.75 | 0.07 |
| Aug | 4.12 | 4.03 | 0.09 |
| Sep | 3.66 | 3.70 | -0.04 |
| Oct | 2.85 | 2.91 | -0.06 |
| Nov | 2.32 | 2.28 | 0.04 |
| Dec | 1.86 | 1.90 | -0.04 |
36.88 | 36.85 | 0.03 |