| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.63 | -0.08 |
| Feb | 3.18 | 2.93 | 0.25 |
| Mar | 3.96 | 3.97 | -0.01 |
| Apr | 3.77 | 3.53 | 0.24 |
| May | 3.55 | 3.58 | -0.03 |
| Jun | 4.20 | 4.05 | 0.15 |
| Jul | 3.82 | 3.85 | -0.03 |
| Aug | 4.23 | 4.23 | 0.00 |
| Sep | 3.91 | 3.94 | -0.03 |
| Oct | 3.10 | 3.06 | 0.04 |
| Nov | 3.16 | 3.06 | 0.10 |
| Dec | 3.67 | 3.48 | 0.19 |
44.10 | 43.31 | 0.79 |