| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.69 | 0.00 |
| Feb | 2.19 | 2.26 | -0.07 |
| Mar | 2.98 | 3.04 | -0.06 |
| Apr | 3.91 | 3.93 | -0.02 |
| May | 4.38 | 4.28 | 0.10 |
| Jun | 4.58 | 4.45 | 0.13 |
| Jul | 4.11 | 4.15 | -0.04 |
| Aug | 3.88 | 3.86 | 0.02 |
| Sep | 3.12 | 3.22 | -0.10 |
| Oct | 2.95 | 2.93 | 0.02 |
| Nov | 3.18 | 3.15 | 0.03 |
| Dec | 2.52 | 2.59 | -0.07 |
40.49 | 40.55 | -0.06 |