| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 1.92 | -0.17 |
| Feb | 1.96 | 2.08 | -0.12 |
| Mar | 2.76 | 2.75 | 0.01 |
| Apr | 4.09 | 4.17 | -0.08 |
| May | 5.09 | 4.83 | 0.26 |
| Jun | 4.61 | 4.58 | 0.03 |
| Jul | 4.34 | 4.15 | 0.19 |
| Aug | 3.73 | 3.83 | -0.10 |
| Sep | 3.67 | 3.66 | 0.01 |
| Oct | 3.19 | 3.20 | -0.01 |
| Nov | 2.65 | 2.70 | -0.05 |
| Dec | 1.91 | 2.04 | -0.13 |
39.75 | 39.91 | -0.16 |