| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.69 | -0.01 |
| Feb | 0.73 | 0.77 | -0.04 |
| Mar | 1.54 | 1.42 | 0.12 |
| Apr | 2.53 | 2.49 | 0.04 |
| May | 3.54 | 3.38 | 0.16 |
| Jun | 4.52 | 4.51 | 0.01 |
| Jul | 3.79 | 3.64 | 0.15 |
| Aug | 3.92 | 3.82 | 0.10 |
| Sep | 2.92 | 2.87 | 0.05 |
| Oct | 2.34 | 2.25 | 0.09 |
| Nov | 1.21 | 1.22 | -0.01 |
| Dec | 0.86 | 0.86 | 0.00 |
28.58 | 27.92 | 0.66 |