| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.90 | -0.02 |
| Feb | 1.22 | 1.38 | -0.16 |
| Mar | 2.23 | 2.30 | -0.07 |
| Apr | 3.74 | 3.79 | -0.05 |
| May | 5.10 | 5.24 | -0.14 |
| Jun | 5.00 | 4.99 | 0.01 |
| Jul | 4.13 | 4.16 | -0.03 |
| Aug | 4.35 | 4.46 | -0.11 |
| Sep | 3.63 | 3.62 | 0.01 |
| Oct | 2.80 | 3.02 | -0.22 |
| Nov | 1.88 | 1.93 | -0.05 |
| Dec | 1.48 | 1.56 | -0.08 |
36.44 | 37.35 | -0.91 |