| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 2.80 | 0.19 |
| Feb | 2.42 | 2.30 | 0.12 |
| Mar | 3.12 | 2.94 | 0.18 |
| Apr | 3.47 | 3.36 | 0.11 |
| May | 4.44 | 4.46 | -0.02 |
| Jun | 4.21 | 4.27 | -0.06 |
| Jul | 2.20 | 2.16 | 0.04 |
| Aug | 3.13 | 2.71 | 0.42 |
| Sep | 3.67 | 3.52 | 0.15 |
| Oct | 4.53 | 4.36 | 0.17 |
| Nov | 3.22 | 3.21 | 0.01 |
| Dec | 2.94 | 2.94 | 0.00 |
40.34 | 39.03 | 1.31 |