| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 3.02 | -0.22 |
| Feb | 2.46 | 2.55 | -0.09 |
| Mar | 2.85 | 3.01 | -0.16 |
| Apr | 3.28 | 3.66 | -0.38 |
| May | 3.67 | 3.92 | -0.25 |
| Jun | 4.62 | 4.35 | 0.27 |
| Jul | 4.52 | 4.79 | -0.27 |
| Aug | 4.18 | 4.04 | 0.14 |
| Sep | 3.50 | 3.64 | -0.14 |
| Oct | 4.22 | 4.48 | -0.26 |
| Nov | 3.20 | 3.45 | -0.25 |
| Dec | 3.35 | 3.69 | -0.34 |
42.65 | 44.60 | -1.95 |