| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.25 | 0.00 |
| Feb | 1.43 | 1.47 | -0.04 |
| Mar | 2.13 | 2.01 | 0.12 |
| Apr | 3.81 | 3.76 | 0.05 |
| May | 4.23 | 4.45 | -0.22 |
| Jun | 5.53 | 5.55 | -0.02 |
| Jul | 4.83 | 4.93 | -0.10 |
| Aug | 3.99 | 3.80 | 0.19 |
| Sep | 3.73 | 3.70 | 0.03 |
| Oct | 2.96 | 2.88 | 0.08 |
| Nov | 2.29 | 2.16 | 0.13 |
| Dec | 1.66 | 1.68 | -0.02 |
37.84 | 37.64 | 0.20 |