| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.70 | -0.03 |
| Feb | 2.26 | 2.35 | -0.09 |
| Mar | 2.80 | 3.03 | -0.23 |
| Apr | 3.29 | 3.26 | 0.03 |
| May | 3.63 | 3.48 | 0.15 |
| Jun | 4.38 | 4.61 | -0.23 |
| Jul | 4.31 | 4.41 | -0.10 |
| Aug | 4.22 | 4.17 | 0.05 |
| Sep | 4.14 | 3.80 | 0.34 |
| Oct | 4.11 | 4.12 | -0.01 |
| Nov | 2.98 | 2.95 | 0.03 |
| Dec | 3.30 | 3.43 | -0.13 |
42.09 | 42.31 | -0.22 |