| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.24 | -0.21 |
| Feb | 2.68 | 2.77 | -0.09 |
| Mar | 3.81 | 3.97 | -0.16 |
| Apr | 3.24 | 3.29 | -0.05 |
| May | 3.57 | 3.70 | -0.13 |
| Jun | 4.08 | 4.17 | -0.09 |
| Jul | 4.51 | 4.68 | -0.17 |
| Aug | 4.67 | 4.50 | 0.17 |
| Sep | 4.05 | 4.04 | 0.01 |
| Oct | 3.87 | 4.06 | -0.19 |
| Nov | 3.15 | 3.15 | 0.00 |
| Dec | 3.58 | 3.68 | -0.10 |
44.24 | 45.25 | -1.01 |