| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.20 | 0.08 |
| Feb | 1.90 | 1.93 | -0.03 |
| Mar | 2.66 | 2.66 | 0.00 |
| Apr | 3.99 | 3.80 | 0.19 |
| May | 4.44 | 4.40 | 0.04 |
| Jun | 4.57 | 4.44 | 0.13 |
| Jul | 4.23 | 4.02 | 0.21 |
| Aug | 3.50 | 3.28 | 0.22 |
| Sep | 3.15 | 3.10 | 0.05 |
| Oct | 3.25 | 3.21 | 0.04 |
| Nov | 3.07 | 2.94 | 0.13 |
| Dec | 2.30 | 2.29 | 0.01 |
39.34 | 38.27 | 1.07 |