| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.20 | 0.06 |
| Feb | 1.83 | 1.75 | 0.08 |
| Mar | 1.99 | 1.93 | 0.06 |
| Apr | 2.44 | 2.49 | -0.05 |
| May | 3.85 | 3.86 | -0.01 |
| Jun | 9.03 | 10.29 | -1.26 |
| Jul | 8.18 | 9.51 | -1.33 |
| Aug | 9.28 | 10.20 | -0.92 |
| Sep | 8.10 | 9.32 | -1.22 |
| Oct | 3.71 | 3.53 | 0.18 |
| Nov | 1.65 | 1.62 | 0.03 |
| Dec | 1.84 | 1.71 | 0.13 |
54.16 | 58.41 | -4.25 |