| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 3.97 | 0.00 |
| Feb | 3.72 | 3.85 | -0.13 |
| Mar | 4.40 | 4.54 | -0.14 |
| Apr | 2.92 | 3.04 | -0.12 |
| May | 3.20 | 3.14 | 0.06 |
| Jun | 4.51 | 4.64 | -0.13 |
| Jul | 4.21 | 4.24 | -0.03 |
| Aug | 4.50 | 4.60 | -0.10 |
| Sep | 3.54 | 3.68 | -0.14 |
| Oct | 2.73 | 2.81 | -0.08 |
| Nov | 3.06 | 3.19 | -0.13 |
| Dec | 3.96 | 4.01 | -0.05 |
44.72 | 45.71 | -0.99 |