| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 2.77 | 0.14 |
| Feb | 3.02 | 2.85 | 0.17 |
| Mar | 3.69 | 3.52 | 0.17 |
| Apr | 3.52 | 3.52 | 0.00 |
| May | 4.35 | 4.44 | -0.09 |
| Jun | 3.86 | 3.80 | 0.06 |
| Jul | 1.99 | 1.86 | 0.13 |
| Aug | 2.53 | 2.48 | 0.05 |
| Sep | 3.19 | 3.16 | 0.03 |
| Oct | 4.68 | 4.69 | -0.01 |
| Nov | 2.98 | 2.98 | 0.00 |
| Dec | 3.49 | 3.23 | 0.26 |
40.21 | 39.30 | 0.91 |