| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.55 | -0.03 |
| Feb | 1.45 | 1.40 | 0.05 |
| Mar | 2.18 | 2.18 | 0.00 |
| Apr | 1.93 | 2.01 | -0.08 |
| May | 3.15 | 3.09 | 0.06 |
| Jun | 2.65 | 2.58 | 0.07 |
| Jul | 2.69 | 2.67 | 0.02 |
| Aug | 2.05 | 1.95 | 0.10 |
| Sep | 3.98 | 4.12 | -0.14 |
| Oct | 2.42 | 2.16 | 0.26 |
| Nov | 1.59 | 1.48 | 0.11 |
| Dec | 1.51 | 1.54 | -0.03 |
27.12 | 26.73 | 0.39 |