| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.45 | -0.04 |
| Feb | 3.14 | 3.07 | 0.07 |
| Mar | 3.46 | 3.53 | -0.07 |
| Apr | 3.11 | 3.11 | 0.00 |
| May | 3.29 | 3.14 | 0.15 |
| Jun | 5.73 | 6.03 | -0.30 |
| Jul | 5.60 | 5.67 | -0.07 |
| Aug | 6.07 | 6.65 | -0.58 |
| Sep | 4.94 | 5.22 | -0.28 |
| Oct | 3.66 | 4.57 | -0.91 |
| Nov | 2.16 | 2.51 | -0.35 |
| Dec | 2.95 | 3.20 | -0.25 |
47.52 | 50.15 | -2.63 |