| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 2.98 | -0.06 |
| Feb | 2.51 | 2.61 | -0.10 |
| Mar | 3.16 | 3.27 | -0.11 |
| Apr | 3.58 | 3.58 | 0.00 |
| May | 3.68 | 3.74 | -0.06 |
| Jun | 4.38 | 4.43 | -0.05 |
| Jul | 4.23 | 4.18 | 0.05 |
| Aug | 4.16 | 3.93 | 0.23 |
| Sep | 3.61 | 3.47 | 0.14 |
| Oct | 3.98 | 3.96 | 0.02 |
| Nov | 3.06 | 3.16 | -0.10 |
| Dec | 3.42 | 3.57 | -0.15 |
42.69 | 42.88 | -0.19 |