| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.54 | 0.11 |
| Feb | 1.73 | 1.52 | 0.21 |
| Mar | 1.88 | 1.82 | 0.06 |
| Apr | 2.25 | 2.41 | -0.16 |
| May | 1.96 | 1.91 | 0.05 |
| Jun | 1.24 | 1.29 | -0.05 |
| Jul | 1.77 | 1.67 | 0.10 |
| Aug | 1.68 | 1.76 | -0.08 |
| Sep | 1.69 | 1.52 | 0.17 |
| Oct | 1.58 | 1.55 | 0.03 |
| Nov | 1.53 | 1.52 | 0.01 |
| Dec | 1.55 | 1.41 | 0.14 |
20.51 | 19.92 | 0.59 |