| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.50 | 0.14 |
| Feb | 0.78 | 0.60 | 0.18 |
| Mar | 1.33 | 1.24 | 0.09 |
| Apr | 2.35 | 2.19 | 0.16 |
| May | 2.58 | 2.46 | 0.12 |
| Jun | 2.17 | 2.13 | 0.04 |
| Jul | 3.36 | 3.32 | 0.04 |
| Aug | 2.65 | 2.66 | -0.01 |
| Sep | 1.44 | 1.52 | -0.08 |
| Oct | 1.13 | 1.24 | -0.11 |
| Nov | 0.84 | 0.74 | 0.10 |
| Dec | 0.63 | 0.65 | -0.02 |
19.90 | 19.25 | 0.65 |