| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.55 | 0.00 |
| Feb | 1.67 | 1.63 | 0.04 |
| Mar | 2.34 | 2.13 | 0.21 |
| Apr | 3.70 | 3.61 | 0.09 |
| May | 4.15 | 4.35 | -0.20 |
| Jun | 5.44 | 5.29 | 0.15 |
| Jul | 4.16 | 4.05 | 0.11 |
| Aug | 3.93 | 4.00 | -0.07 |
| Sep | 3.61 | 3.96 | -0.35 |
| Oct | 2.92 | 2.87 | 0.05 |
| Nov | 2.33 | 2.28 | 0.05 |
| Dec | 1.89 | 1.89 | 0.00 |
37.69 | 37.61 | 0.08 |