| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.90 | -0.13 |
| Feb | 0.69 | 0.73 | -0.04 |
| Mar | 0.98 | 1.06 | -0.08 |
| Apr | 1.80 | 2.02 | -0.22 |
| May | 2.90 | 3.00 | -0.10 |
| Jun | 4.23 | 4.38 | -0.15 |
| Jul | 3.80 | 4.20 | -0.40 |
| Aug | 3.29 | 3.25 | 0.04 |
| Sep | 3.13 | 3.29 | -0.16 |
| Oct | 2.55 | 2.63 | -0.08 |
| Nov | 1.40 | 1.48 | -0.08 |
| Dec | 1.01 | 1.12 | -0.11 |
26.55 | 28.06 | -1.51 |