| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.74 | 0.03 |
| Feb | 0.87 | 0.81 | 0.06 |
| Mar | 1.47 | 1.34 | 0.13 |
| Apr | 2.69 | 2.81 | -0.12 |
| May | 4.02 | 3.92 | 0.10 |
| Jun | 4.30 | 4.10 | 0.20 |
| Jul | 4.28 | 4.14 | 0.14 |
| Aug | 4.02 | 3.91 | 0.11 |
| Sep | 3.33 | 3.54 | -0.21 |
| Oct | 2.96 | 3.00 | -0.04 |
| Nov | 1.65 | 1.49 | 0.16 |
| Dec | 1.14 | 1.11 | 0.03 |
31.50 | 30.91 | 0.59 |