| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.75 | 1.83 | -0.08 |
| Feb | 1.76 | 1.82 | -0.06 |
| Mar | 2.26 | 2.20 | 0.06 |
| Apr | 3.74 | 3.67 | 0.07 |
| May | 4.66 | 4.80 | -0.14 |
| Jun | 4.71 | 4.71 | 0.00 |
| Jul | 3.94 | 3.93 | 0.01 |
| Aug | 3.87 | 3.94 | -0.07 |
| Sep | 3.51 | 3.50 | 0.01 |
| Oct | 3.19 | 3.16 | 0.03 |
| Nov | 2.43 | 2.44 | -0.01 |
| Dec | 2.06 | 2.06 | 0.00 |
37.88 | 38.06 | -0.18 |