| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.68 | -0.06 |
| Feb | 3.33 | 3.45 | -0.12 |
| Mar | 3.69 | 3.89 | -0.20 |
| Apr | 2.91 | 3.09 | -0.18 |
| May | 3.21 | 3.31 | -0.10 |
| Jun | 4.36 | 4.33 | 0.03 |
| Jul | 4.38 | 4.54 | -0.16 |
| Aug | 4.67 | 4.62 | 0.05 |
| Sep | 4.01 | 4.06 | -0.05 |
| Oct | 3.30 | 3.45 | -0.15 |
| Nov | 2.92 | 3.02 | -0.10 |
| Dec | 3.72 | 3.87 | -0.15 |
44.12 | 45.31 | -1.19 |