| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.79 | -0.03 |
| Feb | 0.93 | 1.08 | -0.15 |
| Mar | 1.77 | 1.91 | -0.14 |
| Apr | 2.69 | 2.84 | -0.15 |
| May | 2.67 | 2.71 | -0.04 |
| Jun | 1.84 | 1.68 | 0.16 |
| Jul | 2.32 | 2.63 | -0.31 |
| Aug | 2.16 | 2.18 | -0.02 |
| Sep | 1.68 | 1.64 | 0.04 |
| Oct | 1.27 | 1.28 | -0.01 |
| Nov | 1.00 | 1.01 | -0.01 |
| Dec | 0.78 | 0.85 | -0.07 |
19.87 | 20.60 | -0.73 |