| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.89 | -0.11 |
| Feb | 3.39 | 3.57 | -0.18 |
| Mar | 3.85 | 4.01 | -0.16 |
| Apr | 3.25 | 3.50 | -0.25 |
| May | 4.06 | 4.15 | -0.09 |
| Jun | 5.07 | 4.85 | 0.22 |
| Jul | 6.30 | 6.90 | -0.60 |
| Aug | 7.05 | 7.56 | -0.51 |
| Sep | 8.14 | 9.21 | -1.07 |
| Oct | 4.76 | 5.04 | -0.28 |
| Nov | 3.58 | 3.80 | -0.22 |
| Dec | 3.65 | 3.96 | -0.31 |
56.88 | 60.44 | -3.56 |