| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.51 | -0.04 |
| Feb | 1.46 | 1.61 | -0.15 |
| Mar | 2.11 | 2.09 | 0.02 |
| Apr | 3.66 | 3.73 | -0.07 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 5.44 | 5.28 | 0.16 |
| Jul | 4.26 | 4.08 | 0.18 |
| Aug | 4.03 | 4.14 | -0.11 |
| Sep | 3.50 | 3.47 | 0.03 |
| Oct | 2.90 | 2.83 | 0.07 |
| Nov | 2.25 | 2.19 | 0.06 |
| Dec | 1.67 | 1.75 | -0.08 |
36.90 | 36.97 | -0.07 |