| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.87 | -0.14 |
| Feb | 0.77 | 0.87 | -0.10 |
| Mar | 1.54 | 1.62 | -0.08 |
| Apr | 2.85 | 3.01 | -0.16 |
| May | 4.13 | 4.35 | -0.22 |
| Jun | 4.40 | 4.50 | -0.10 |
| Jul | 4.20 | 4.16 | 0.04 |
| Aug | 4.23 | 4.19 | 0.04 |
| Sep | 3.19 | 3.22 | -0.03 |
| Oct | 2.83 | 2.70 | 0.13 |
| Nov | 1.55 | 1.64 | -0.09 |
| Dec | 1.01 | 1.25 | -0.24 |
31.43 | 32.38 | -0.95 |