| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.77 | -0.02 |
| Feb | 0.81 | 0.80 | 0.01 |
| Mar | 1.55 | 1.53 | 0.02 |
| Apr | 2.82 | 2.95 | -0.13 |
| May | 4.16 | 4.27 | -0.11 |
| Jun | 4.60 | 4.46 | 0.14 |
| Jul | 4.33 | 4.40 | -0.07 |
| Aug | 4.33 | 4.09 | 0.24 |
| Sep | 3.34 | 3.22 | 0.12 |
| Oct | 2.84 | 2.76 | 0.08 |
| Nov | 1.65 | 1.61 | 0.04 |
| Dec | 1.09 | 1.17 | -0.08 |
32.27 | 32.03 | 0.24 |