| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.92 | 1.96 | -0.04 |
| Feb | 1.65 | 1.67 | -0.02 |
| Mar | 1.37 | 1.38 | -0.01 |
| Apr | 1.35 | 1.20 | 0.15 |
| May | 1.28 | 1.38 | -0.10 |
| Jun | 0.70 | 0.70 | 0.00 |
| Jul | 1.77 | 1.93 | -0.16 |
| Aug | 2.36 | 2.38 | -0.02 |
| Sep | 2.13 | 2.18 | -0.05 |
| Oct | 1.78 | 1.81 | -0.03 |
| Nov | 1.48 | 1.58 | -0.10 |
| Dec | 1.74 | 1.65 | 0.09 |
19.53 | 19.82 | -0.29 |