| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.26 | 4.28 | -0.02 |
| Feb | 4.15 | 4.28 | -0.13 |
| Mar | 5.05 | 4.98 | 0.07 |
| Apr | 4.77 | 4.65 | 0.12 |
| May | 4.71 | 4.54 | 0.17 |
| Jun | 4.30 | 4.48 | -0.18 |
| Jul | 3.55 | 3.24 | 0.31 |
| Aug | 2.97 | 2.84 | 0.13 |
| Sep | 3.65 | 3.86 | -0.21 |
| Oct | 4.58 | 4.59 | -0.01 |
| Nov | 4.11 | 4.19 | -0.08 |
| Dec | 4.90 | 5.06 | -0.16 |
51.00 | 50.99 | 0.01 |