| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.46 | -0.14 |
| Feb | 3.56 | 3.66 | -0.10 |
| Mar | 4.08 | 4.21 | -0.13 |
| Apr | 3.79 | 3.95 | -0.16 |
| May | 4.70 | 4.80 | -0.10 |
| Jun | 3.91 | 4.02 | -0.11 |
| Jul | 2.41 | 2.29 | 0.12 |
| Aug | 2.65 | 2.55 | 0.10 |
| Sep | 3.20 | 3.15 | 0.05 |
| Oct | 4.80 | 5.06 | -0.26 |
| Nov | 3.44 | 3.52 | -0.08 |
| Dec | 4.15 | 4.21 | -0.06 |
44.01 | 44.88 | -0.87 |