| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.43 | 0.00 |
| Feb | 0.50 | 0.55 | -0.05 |
| Mar | 1.20 | 1.35 | -0.15 |
| Apr | 2.05 | 2.12 | -0.07 |
| May | 2.57 | 2.87 | -0.30 |
| Jun | 1.77 | 1.90 | -0.13 |
| Jul | 1.57 | 1.73 | -0.16 |
| Aug | 1.42 | 1.58 | -0.16 |
| Sep | 1.35 | 1.44 | -0.09 |
| Oct | 1.15 | 1.28 | -0.13 |
| Nov | 0.74 | 0.80 | -0.06 |
| Dec | 0.47 | 0.53 | -0.06 |
15.22 | 16.58 | -1.36 |