| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.17 | -0.14 |
| Feb | 2.97 | 3.12 | -0.15 |
| Mar | 3.55 | 3.53 | 0.02 |
| Apr | 4.04 | 4.13 | -0.09 |
| May | 5.09 | 5.28 | -0.19 |
| Jun | 5.56 | 5.56 | 0.00 |
| Jul | 4.16 | 4.29 | -0.13 |
| Aug | 4.76 | 5.12 | -0.36 |
| Sep | 5.11 | 5.35 | -0.24 |
| Oct | 4.91 | 4.77 | 0.14 |
| Nov | 4.27 | 4.56 | -0.29 |
| Dec | 3.93 | 4.10 | -0.17 |
52.38 | 53.98 | -1.60 |