| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.28 | -0.01 |
| Feb | 3.03 | 2.92 | 0.11 |
| Mar | 4.25 | 4.22 | 0.03 |
| Apr | 3.38 | 3.38 | 0.00 |
| May | 3.34 | 3.50 | -0.16 |
| Jun | 3.65 | 3.53 | 0.12 |
| Jul | 4.26 | 4.09 | 0.17 |
| Aug | 4.61 | 4.19 | 0.42 |
| Sep | 3.95 | 3.75 | 0.20 |
| Oct | 4.09 | 4.17 | -0.08 |
| Nov | 3.32 | 3.27 | 0.05 |
| Dec | 4.14 | 4.02 | 0.12 |
45.29 | 44.32 | 0.97 |