| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.44 | 0.05 |
| Feb | 2.04 | 2.12 | -0.08 |
| Mar | 2.96 | 2.91 | 0.05 |
| Apr | 4.13 | 4.13 | 0.00 |
| May | 4.51 | 4.50 | 0.01 |
| Jun | 4.80 | 4.84 | -0.04 |
| Jul | 4.16 | 4.20 | -0.04 |
| Aug | 3.33 | 3.27 | 0.06 |
| Sep | 2.99 | 2.96 | 0.03 |
| Oct | 3.36 | 3.38 | -0.02 |
| Nov | 3.30 | 3.28 | 0.02 |
| Dec | 2.49 | 2.52 | -0.03 |
40.56 | 40.55 | 0.01 |