| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.77 | 0.00 |
| Feb | 0.81 | 0.78 | 0.03 |
| Mar | 1.59 | 1.47 | 0.12 |
| Apr | 2.86 | 2.84 | 0.02 |
| May | 4.18 | 4.19 | -0.01 |
| Jun | 4.60 | 4.50 | 0.10 |
| Jul | 4.28 | 4.41 | -0.13 |
| Aug | 4.32 | 4.04 | 0.28 |
| Sep | 3.32 | 3.16 | 0.16 |
| Oct | 2.83 | 2.72 | 0.11 |
| Nov | 1.68 | 1.57 | 0.11 |
| Dec | 1.10 | 1.12 | -0.02 |
32.34 | 31.57 | 0.77 |