| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.50 | -0.02 |
| Feb | 0.56 | 0.58 | -0.02 |
| Mar | 1.21 | 1.26 | -0.05 |
| Apr | 2.08 | 1.98 | 0.10 |
| May | 2.74 | 2.76 | -0.02 |
| Jun | 1.83 | 1.80 | 0.03 |
| Jul | 1.77 | 1.68 | 0.09 |
| Aug | 1.56 | 1.44 | 0.12 |
| Sep | 1.41 | 1.42 | -0.01 |
| Oct | 1.14 | 1.11 | 0.03 |
| Nov | 0.77 | 0.76 | 0.01 |
| Dec | 0.45 | 0.52 | -0.07 |
16.00 | 15.81 | 0.19 |