| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.86 | -0.08 |
| Feb | 3.39 | 3.57 | -0.18 |
| Mar | 3.85 | 4.01 | -0.16 |
| Apr | 3.26 | 3.47 | -0.21 |
| May | 4.08 | 4.20 | -0.12 |
| Jun | 5.10 | 5.04 | 0.06 |
| Jul | 6.28 | 6.93 | -0.65 |
| Aug | 7.01 | 7.58 | -0.57 |
| Sep | 8.05 | 9.16 | -1.11 |
| Oct | 4.69 | 4.96 | -0.27 |
| Nov | 3.56 | 3.75 | -0.19 |
| Dec | 3.64 | 3.93 | -0.29 |
56.69 | 60.46 | -3.77 |