| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.43 | 0.05 |
| Feb | 1.64 | 1.58 | 0.06 |
| Mar | 2.27 | 2.11 | 0.16 |
| Apr | 3.76 | 3.70 | 0.06 |
| May | 4.25 | 4.25 | 0.00 |
| Jun | 5.64 | 5.44 | 0.20 |
| Jul | 4.60 | 4.19 | 0.41 |
| Aug | 3.91 | 4.03 | -0.12 |
| Sep | 3.84 | 3.84 | 0.00 |
| Oct | 3.00 | 2.95 | 0.05 |
| Nov | 2.36 | 2.30 | 0.06 |
| Dec | 1.89 | 1.82 | 0.07 |
38.64 | 37.64 | 1.00 |