| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.86 | -0.08 |
| Feb | 3.39 | 3.58 | -0.19 |
| Mar | 3.85 | 4.01 | -0.16 |
| Apr | 3.26 | 3.48 | -0.22 |
| May | 4.08 | 4.22 | -0.14 |
| Jun | 5.10 | 5.06 | 0.04 |
| Jul | 6.28 | 6.96 | -0.68 |
| Aug | 7.01 | 7.60 | -0.59 |
| Sep | 8.05 | 9.20 | -1.15 |
| Oct | 4.69 | 4.97 | -0.28 |
| Nov | 3.56 | 3.76 | -0.20 |
| Dec | 3.64 | 3.94 | -0.30 |
56.69 | 60.64 | -3.95 |