| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.72 | 0.11 |
| Feb | 2.12 | 2.09 | 0.03 |
| Mar | 3.10 | 2.90 | 0.20 |
| Apr | 2.64 | 2.87 | -0.23 |
| May | 4.19 | 4.48 | -0.29 |
| Jun | 4.28 | 4.31 | -0.03 |
| Jul | 3.24 | 3.40 | -0.16 |
| Aug | 3.26 | 3.22 | 0.04 |
| Sep | 4.76 | 4.74 | 0.02 |
| Oct | 3.86 | 3.86 | 0.00 |
| Nov | 2.99 | 3.02 | -0.03 |
| Dec | 2.52 | 2.54 | -0.02 |
39.79 | 40.15 | -0.36 |