| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.55 | 0.07 |
| Feb | 2.87 | 2.73 | 0.14 |
| Mar | 4.15 | 4.05 | 0.10 |
| Apr | 3.46 | 3.53 | -0.07 |
| May | 3.68 | 3.62 | 0.06 |
| Jun | 4.63 | 4.42 | 0.21 |
| Jul | 5.19 | 5.09 | 0.10 |
| Aug | 4.95 | 4.94 | 0.01 |
| Sep | 5.15 | 5.16 | -0.01 |
| Oct | 3.54 | 3.55 | -0.01 |
| Nov | 3.35 | 3.21 | 0.14 |
| Dec | 3.53 | 3.50 | 0.03 |
48.12 | 47.35 | 0.77 |