| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.93 | -0.25 |
| Feb | 2.04 | 2.20 | -0.16 |
| Mar | 2.24 | 2.44 | -0.20 |
| Apr | 3.55 | 3.66 | -0.11 |
| May | 4.16 | 4.28 | -0.12 |
| Jun | 3.83 | 3.92 | -0.09 |
| Jul | 3.51 | 3.50 | 0.01 |
| Aug | 3.67 | 3.80 | -0.13 |
| Sep | 3.30 | 3.29 | 0.01 |
| Oct | 3.84 | 3.98 | -0.14 |
| Nov | 2.84 | 3.03 | -0.19 |
| Dec | 2.54 | 2.69 | -0.15 |
38.20 | 39.72 | -1.52 |