| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.57 | 0.00 |
| Feb | 0.70 | 0.66 | 0.04 |
| Mar | 1.43 | 1.71 | -0.28 |
| Apr | 2.44 | 2.34 | 0.10 |
| May | 3.14 | 3.57 | -0.43 |
| Jun | 1.98 | 2.20 | -0.22 |
| Jul | 2.01 | 2.16 | -0.15 |
| Aug | 1.81 | 1.60 | 0.21 |
| Sep | 1.59 | 1.69 | -0.10 |
| Oct | 1.35 | 1.48 | -0.13 |
| Nov | 0.91 | 0.99 | -0.08 |
| Dec | 0.57 | 0.67 | -0.10 |
18.50 | 19.64 | -1.14 |