| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.93 | -0.07 |
| Feb | 2.48 | 2.63 | -0.15 |
| Mar | 3.38 | 3.50 | -0.12 |
| Apr | 3.73 | 3.84 | -0.11 |
| May | 3.96 | 4.14 | -0.18 |
| Jun | 4.14 | 4.10 | 0.04 |
| Jul | 4.04 | 3.76 | 0.28 |
| Aug | 3.84 | 3.75 | 0.09 |
| Sep | 4.08 | 4.26 | -0.18 |
| Oct | 3.40 | 3.76 | -0.36 |
| Nov | 3.13 | 3.16 | -0.03 |
| Dec | 3.22 | 3.34 | -0.12 |
42.26 | 43.17 | -0.91 |