| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.90 | -0.04 |
| Feb | 3.43 | 3.54 | -0.11 |
| Mar | 4.15 | 4.26 | -0.11 |
| Apr | 3.35 | 3.35 | 0.00 |
| May | 3.34 | 3.25 | 0.09 |
| Jun | 3.98 | 4.11 | -0.13 |
| Jul | 3.64 | 3.84 | -0.20 |
| Aug | 4.04 | 4.23 | -0.19 |
| Sep | 3.63 | 3.75 | -0.12 |
| Oct | 3.27 | 3.24 | 0.03 |
| Nov | 3.40 | 3.44 | -0.04 |
| Dec | 4.11 | 4.13 | -0.02 |
44.20 | 45.04 | -0.84 |