| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.46 | 0.08 |
| Feb | 0.60 | 0.49 | 0.11 |
| Mar | 1.28 | 0.98 | 0.30 |
| Apr | 2.08 | 1.76 | 0.32 |
| May | 2.31 | 2.00 | 0.31 |
| Jun | 2.11 | 2.15 | -0.04 |
| Jul | 3.36 | 2.95 | 0.41 |
| Aug | 2.93 | 3.33 | -0.40 |
| Sep | 1.43 | 1.63 | -0.20 |
| Oct | 1.01 | 0.80 | 0.21 |
| Nov | 0.68 | 0.61 | 0.07 |
| Dec | 0.52 | 0.44 | 0.08 |
18.85 | 17.60 | 1.25 |