| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.64 | -0.12 |
| Feb | 1.34 | 1.55 | -0.21 |
| Mar | 1.88 | 1.98 | -0.10 |
| Apr | 3.47 | 3.63 | -0.16 |
| May | 3.62 | 3.73 | -0.11 |
| Jun | 4.07 | 4.08 | -0.01 |
| Jul | 3.58 | 3.57 | 0.01 |
| Aug | 3.52 | 3.54 | -0.02 |
| Sep | 2.80 | 2.93 | -0.13 |
| Oct | 2.79 | 2.79 | 0.00 |
| Nov | 2.03 | 2.04 | -0.01 |
| Dec | 1.76 | 1.91 | -0.15 |
32.38 | 33.39 | -1.01 |