| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.79 | -0.01 |
| Feb | 4.79 | 4.80 | -0.01 |
| Mar | 5.02 | 4.92 | 0.10 |
| Apr | 4.13 | 4.10 | 0.03 |
| May | 3.91 | 3.97 | -0.06 |
| Jun | 4.62 | 4.45 | 0.17 |
| Jul | 4.65 | 4.72 | -0.07 |
| Aug | 4.48 | 4.50 | -0.02 |
| Sep | 4.10 | 4.25 | -0.15 |
| Oct | 3.63 | 3.61 | 0.02 |
| Nov | 4.26 | 4.30 | -0.04 |
| Dec | 4.68 | 4.80 | -0.12 |
53.05 | 53.21 | -0.16 |