| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.72 | -0.15 |
| Feb | 1.38 | 1.48 | -0.10 |
| Mar | 1.86 | 1.92 | -0.06 |
| Apr | 3.52 | 3.75 | -0.23 |
| May | 3.64 | 3.80 | -0.16 |
| Jun | 3.98 | 4.04 | -0.06 |
| Jul | 3.44 | 3.63 | -0.19 |
| Aug | 3.54 | 3.91 | -0.37 |
| Sep | 2.99 | 3.05 | -0.06 |
| Oct | 2.71 | 2.78 | -0.07 |
| Nov | 2.09 | 2.11 | -0.02 |
| Dec | 1.78 | 1.98 | -0.20 |
32.50 | 34.17 | -1.67 |