| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.59 | 0.06 |
| Feb | 0.55 | 0.52 | 0.03 |
| Mar | 0.75 | 0.77 | -0.02 |
| Apr | 1.19 | 1.17 | 0.02 |
| May | 3.09 | 3.14 | -0.05 |
| Jun | 4.03 | 4.24 | -0.21 |
| Jul | 3.60 | 3.80 | -0.20 |
| Aug | 2.64 | 2.96 | -0.32 |
| Sep | 2.56 | 2.68 | -0.12 |
| Oct | 1.84 | 1.94 | -0.10 |
| Nov | 0.94 | 0.98 | -0.04 |
| Dec | 0.85 | 0.76 | 0.09 |
22.69 | 23.55 | -0.86 |