| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.55 | -0.18 |
| Feb | 3.38 | 3.45 | -0.07 |
| Mar | 4.49 | 4.45 | 0.04 |
| Apr | 4.92 | 4.91 | 0.01 |
| May | 5.15 | 5.11 | 0.04 |
| Jun | 4.64 | 4.58 | 0.06 |
| Jul | 4.27 | 4.19 | 0.08 |
| Aug | 3.73 | 3.36 | 0.37 |
| Sep | 3.63 | 3.77 | -0.14 |
| Oct | 3.73 | 3.59 | 0.14 |
| Nov | 3.56 | 3.68 | -0.12 |
| Dec | 4.11 | 4.36 | -0.25 |
48.98 | 49.00 | -0.02 |