| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.25 | -0.16 |
| Feb | 1.81 | 1.94 | -0.13 |
| Mar | 2.56 | 2.64 | -0.08 |
| Apr | 3.80 | 3.74 | 0.06 |
| May | 4.53 | 4.50 | 0.03 |
| Jun | 4.00 | 3.99 | 0.01 |
| Jul | 4.08 | 3.90 | 0.18 |
| Aug | 3.56 | 3.61 | -0.05 |
| Sep | 3.04 | 3.26 | -0.22 |
| Oct | 3.26 | 3.27 | -0.01 |
| Nov | 2.80 | 2.74 | 0.06 |
| Dec | 2.14 | 2.29 | -0.15 |
37.67 | 38.13 | -0.46 |