| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.86 | -0.01 |
| Feb | 1.68 | 1.69 | -0.01 |
| Mar | 1.64 | 1.55 | 0.09 |
| Apr | 2.19 | 2.03 | 0.16 |
| May | 1.86 | 1.84 | 0.02 |
| Jun | 1.10 | 1.21 | -0.11 |
| Jul | 1.46 | 1.64 | -0.18 |
| Aug | 1.40 | 1.64 | -0.24 |
| Sep | 1.61 | 1.67 | -0.06 |
| Oct | 1.57 | 1.36 | 0.21 |
| Nov | 1.62 | 1.44 | 0.18 |
| Dec | 1.68 | 1.43 | 0.25 |
19.66 | 19.36 | 0.30 |