| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.71 | 0.15 |
| Feb | 2.28 | 2.17 | 0.11 |
| Mar | 3.00 | 2.90 | 0.10 |
| Apr | 2.60 | 2.61 | -0.01 |
| May | 3.42 | 3.40 | 0.02 |
| Jun | 8.62 | 8.33 | 0.29 |
| Jul | 8.02 | 7.90 | 0.12 |
| Aug | 8.07 | 8.02 | 0.05 |
| Sep | 6.84 | 6.92 | -0.08 |
| Oct | 2.73 | 2.80 | -0.07 |
| Nov | 1.74 | 1.80 | -0.06 |
| Dec | 2.50 | 2.56 | -0.06 |
52.68 | 52.12 | 0.56 |