| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.55 | 0.04 |
| Feb | 2.00 | 1.93 | 0.07 |
| Mar | 2.99 | 2.88 | 0.11 |
| Apr | 2.86 | 2.93 | -0.07 |
| May | 4.25 | 4.26 | -0.01 |
| Jun | 3.75 | 3.76 | -0.01 |
| Jul | 2.29 | 2.69 | -0.40 |
| Aug | 2.80 | 3.07 | -0.27 |
| Sep | 3.51 | 3.67 | -0.16 |
| Oct | 3.82 | 3.97 | -0.15 |
| Nov | 2.83 | 2.77 | 0.06 |
| Dec | 2.61 | 2.57 | 0.04 |
36.30 | 37.05 | -0.75 |