| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.94 | -0.09 |
| Feb | 0.83 | 0.88 | -0.05 |
| Mar | 1.67 | 1.67 | 0.00 |
| Apr | 2.96 | 3.00 | -0.04 |
| May | 4.21 | 4.31 | -0.10 |
| Jun | 5.01 | 5.15 | -0.14 |
| Jul | 4.21 | 4.34 | -0.13 |
| Aug | 4.51 | 4.56 | -0.05 |
| Sep | 3.38 | 3.37 | 0.01 |
| Oct | 2.76 | 2.84 | -0.08 |
| Nov | 1.67 | 1.68 | -0.01 |
| Dec | 1.19 | 1.27 | -0.08 |
33.25 | 34.01 | -0.76 |