| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.27 | -0.02 |
| Feb | 2.59 | 2.63 | -0.04 |
| Mar | 3.65 | 3.75 | -0.10 |
| Apr | 3.65 | 3.62 | 0.03 |
| May | 4.14 | 4.13 | 0.01 |
| Jun | 4.20 | 4.12 | 0.08 |
| Jul | 4.17 | 3.96 | 0.21 |
| Aug | 3.54 | 3.58 | -0.04 |
| Sep | 4.73 | 4.96 | -0.23 |
| Oct | 3.76 | 3.75 | 0.01 |
| Nov | 3.27 | 3.20 | 0.07 |
| Dec | 3.55 | 3.58 | -0.03 |
44.50 | 44.55 | -0.05 |