| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.55 | 0.14 |
| Feb | 3.35 | 3.27 | 0.08 |
| Mar | 4.23 | 4.23 | 0.00 |
| Apr | 4.28 | 4.21 | 0.07 |
| May | 3.72 | 3.65 | 0.07 |
| Jun | 4.28 | 4.12 | 0.16 |
| Jul | 3.84 | 3.73 | 0.11 |
| Aug | 4.12 | 4.18 | -0.06 |
| Sep | 4.18 | 3.93 | 0.25 |
| Oct | 5.00 | 4.97 | 0.03 |
| Nov | 3.98 | 3.69 | 0.29 |
| Dec | 4.30 | 4.51 | -0.21 |
48.97 | 48.04 | 0.93 |