| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.63 | -0.12 |
| Feb | 3.21 | 3.13 | 0.08 |
| Mar | 3.55 | 3.67 | -0.12 |
| Apr | 2.92 | 2.96 | -0.04 |
| May | 3.11 | 3.14 | -0.03 |
| Jun | 4.04 | 4.20 | -0.16 |
| Jul | 4.18 | 4.40 | -0.22 |
| Aug | 4.65 | 4.67 | -0.02 |
| Sep | 3.91 | 3.90 | 0.01 |
| Oct | 3.23 | 3.27 | -0.04 |
| Nov | 2.93 | 2.89 | 0.04 |
| Dec | 3.60 | 3.75 | -0.15 |
42.84 | 43.61 | -0.77 |