| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.66 | -0.01 |
| Feb | 2.18 | 2.16 | 0.02 |
| Mar | 2.77 | 2.72 | 0.05 |
| Apr | 3.30 | 3.11 | 0.19 |
| May | 3.64 | 3.64 | 0.00 |
| Jun | 4.23 | 4.26 | -0.03 |
| Jul | 4.29 | 4.56 | -0.27 |
| Aug | 4.08 | 3.90 | 0.18 |
| Sep | 3.36 | 3.42 | -0.06 |
| Oct | 4.10 | 3.98 | 0.12 |
| Nov | 2.90 | 2.74 | 0.16 |
| Dec | 3.22 | 3.10 | 0.12 |
40.72 | 40.25 | 0.47 |