| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.92 | -0.01 |
| Feb | 0.90 | 0.89 | 0.01 |
| Mar | 1.75 | 1.68 | 0.07 |
| Apr | 2.96 | 2.91 | 0.05 |
| May | 4.23 | 4.22 | 0.01 |
| Jun | 5.24 | 5.11 | 0.13 |
| Jul | 4.15 | 4.25 | -0.10 |
| Aug | 4.52 | 4.59 | -0.07 |
| Sep | 3.45 | 3.45 | 0.00 |
| Oct | 2.77 | 2.67 | 0.10 |
| Nov | 1.70 | 1.63 | 0.07 |
| Dec | 1.19 | 1.21 | -0.02 |
33.77 | 33.53 | 0.24 |